let org_eve = null
SipDrive = (events, boolean) => {
        let outgoingSession = null
        let incomingSession = null
        let currentSession = null
        let localStream = new MediaStream();
        let userAgent = null
        let conversating = false
        let enbl = null
        let shieldState = false
        let eve = events
        org_eve  = eve
        let Session = null
        let audioView = new Audio
        let audioMp3 = new Audio
        // audioView.muted = true
        let audioDomT = undefined
        let regFs = null
        const mp3 = '/websip/sounds/ringbacktone.mp3'
        //判断回调方法
        if (typeof(eve) != "function" || eve == "undefined") {
            console.error('请输入正确的回调方法')
            return
        }
        //判断回调方法
        if (typeof(Worker) !== "undefined") {
            console.log("支持HTML5")
        } else {
            eval("eve")({
                "Event": "eorr",
                "Status": "0",
                "Desc": "浏览器版本过低请升级或者下载谷歌浏览器"
            })
            return
        }

        //获取设备驱动
        //navigator.mediaDevices.enumerateDevices().then(gotDevices);

        JsSIP.C.SESSION_EXPIRES = 120
        JsSIP.C.MIN_SESSION_EXPIRES = 120
        if (boolean) {
            JsSIP.debug.enable('JsSIP:*');

        } else {
            JsSIP.debug.disable('JsSIP:*');
        }

        function reg(ext) {
            if (ext == undefined || ext == null || ext == '') {
                eval("eve")({
                    "Event": "eorr",
                    "Status": "2",
                    "Desc": "请传入正确的参数！"
                })
                return
            } else if (ext.exNumber == undefined || ext.exNumber == null || ext.exNumber == '') {
                eval("eve")({
                    "Event": "eorr",
                    "Status": "3",
                    "Desc": "请传入正确的分机号！"
                })
                return
            } else if (ext.exPassword == undefined || ext.exPassword == null || ext.exPassword == '') {
                eval("eve")({
                    "Event": "eorr",
                    "Status": "4",
                    "Desc": "请传入正确的分机密码！"
                })
                return
            }
            //判读麦克风
            var constraints = {
                audio: true,
                video: false
            };

            regFs = ext.regFs
            // 分机号注册 格式 sip: + 分机号码 + @ + FS注册地址
            let sip_uri_ = 'sip:' + ext.exNumber + '@' + ext.regFs
            // FS密码
            let sip_password_ = ext.exPassword
            // Fs的 ws协议地址
            let ws_uri_ = 'wss://' + ext.regFs + ':' + ext.port + '/ws'
            let socket = new JsSIP.WebSocketInterface(ws_uri_)

            let configuration = {
                sockets: [socket],
                uri: sip_uri_,
                password: sip_password_,
                display_name: "'" + ext.exNumber + "'",
                contact_uri: 'sip:' + ext.exNumber + '@' + ext.regFs + ';transport=wss',
                //自动注册
                // register: true,
                //是否开启会话计时器,默认是true
                // session_timers: true,
                register_expires: 86400,
                user_agent: 'websip',
                // register_expires: 10,
                trace_sip: true
            }
            //注册
            userAgent = new JsSIP.UA(configuration)
            userAgent.start()
            userAgent.register()

            //注册成功
            userAgent.on('registered', () => {
                eval("eve")({
                    "Event": "register",
                    "Status": "1",
                    "Desc": "注册成功!"
                })
            })
            //注册即将失效
            userAgent.on('registrationExpiring', (data) => {
                userAgent.register()
            })

            //注册失败
            userAgent.on('registrationFailed', () => {
                eval("eve")({
                    "Event": "register",
                    "Status": "-1",
                    "Desc": "注册失败!"
                })
            })

            //重新注册
            userAgent.on('registrationExpiring', () => {
                eval("eve")({
                    "Event": "register",
                    "Status": "0",
                    "Desc": "重新注册!"
                })
            })
            //注销回调
            userAgent.on('unregistered', () => {
                eval("eve")({
                    "Event": "register",
                    "Status": "-2",
                    "Desc": "已注销!"
                })
            })
            //呼入与呼出
            userAgent.on('newRTCSession', function(data) {
                Session = data.session
                if (data.originator == "local") {
                    outgoingSession = data.session
                    outgoingSession.connection.addEventListener('track', (event) => {
                         audioView.srcObject = event.streams[0];
                         audioView.play();
                         audioView.volume = 1;
                    });

                } else if (data.originator == 'remote') {
                    incomingSession = data.session
                    audioMp3.src = `https://${regFs}${mp3}`
                    audioMp3.loop = true
                    audioMp3.play()
                    audioMp3.volume = 1;
                    let phoneNum = data.request.getHeader('From')
                    phoneNum = phoneNum.split("<")[0];
		    phoneNum = phoneNum!="" ?  phoneNum.trim().slice(1, -1) : "";

                    incomingSession.on('accepted', function(data) {
                        audioMp3.src = ''
                        let receivers = incomingSession.connection.getReceivers();
                        if (receivers) {

                            receivers.forEach(item => {
                                localStream.addTrack(item.track);
                            })
                            audioView.srcObject = localStream;
                            audioView.play();
                            audioView.volume = 1;
                        }
                    })
                    //  来电 振铃
                    incomingSession.on("progress", function(data) {
                        eval("eve")({
                            "Event": "callin",
                            "Status": "0",
                            "Desc": "来电振铃！",
                            "phone": phoneNum,
                        })
                    })
                    incomingSession.on('failed', function(e) {
                        conversating = false
                        audioMp3.src = ''
                        eval("eve")({
                            "Event": "callin",
                            "Status": "-1",
                            "Desc": "来电通话失败！"
                        })
                    })
                    incomingSession.on('ended', function(e) {
                        conversating = false
                        eval("eve")({
                            "Event": "callin",
                            "Status": "2",
                            "Desc": "来电挂断！"
                        })
                    });
                }

                // 静音时触发
                Session.on('muted', function(data) {
                    if (data.audio && data.video) {
                        eval("eve")({
                            "Event": "mute",
                            "Status": "0",
                            "Desc": "通话静音中"
                        })
                    }
                })
                //取消静音时触发
                Session.on('unmuted', function(data) {
                    if (data.audio && data.video) {
                        eval("eve")({
                            "Event": "mute",
                            "Status": "1",
                            "Desc": "恢复通话"
                        })
                    }
                })
                Session.on('newDTMF', function(data) {
                    let dtmfSession = data.dtmf
                    dtmfSession.on('succeeded', function(data) {
                        eval("eve")({
                            "Event": "dtmf",
                            "Status": "1",
                            "Desc": "发送成功!"
                        })
                    })
                    dtmfSession.on('failed', function(data) {
                        eval("eve")({
                            "Event": "dtmf",
                            "Status": "-1",
                            "Desc": "发送失败"
                        })
                    })
                })
            })
        }
        //获取设备
        // function gotDevices(deviceInfos) {
        //     console.log("++++++++++++++++++++++++++++++++++++++++");
        //     console.log(deviceInfos);
        //     for (var i = 0; i !== deviceInfos.length; ++i) {
        //       var deviceInfo = deviceInfos[i];
        //       var option = document.createElement('option');
        //       option.value = deviceInfo.deviceId;
        //       if (deviceInfo.kind === 'audioinput') {
        //         option.text = deviceInfo.label || 'microphone ' + (audioSelect.length + 1);
        //         audioSelect.appendChild(option);
        //       } else {
        //         console.log('Found one other kind of source/device: ', deviceInfo);
        //       }
        //     }
        //   }

        //注销注册
        function unreg() {
            if (userAgent == null) {
                eval("eve")({
                    "Event": "eorr",
                    "Status": "1",
                    "Desc": "请先注册！"
                })
                return
            }
            let options = {
                all: true
            }
            userAgent.unregister(options)
            userAgent = null
        }
        // 拨号
        function call(phoneNum, actionId = "") {
            if (phoneNum == undefined || phoneNum == null) {
                eval("eve")({
                    "Event": "eorr",
                    "Status": "5",
                    "Desc": "请输入正确的号码！"
                })
            }
            if (userAgent == null) {
                eval("eve")({
                    "Event": "eorr",
                    "Status": "1",
                    "Desc": "请先注册！"
                })
                return
            } else if (conversating) {
                eval("eve")({
                    "Event": "call",
                    "Status": "3",
                    "Desc": "正在通话中！"
                })
                return
            }
            var eventHandlers = {
                //振铃中
                progress: function() {
                    conversating = true
                    eval("eve")({
                        "Event": "call",
                        "Status": "0",
                        "Desc": "振铃中"
                    })
                },
                failed: function() {
                    conversating = false
                    eval("eve")({
                        "Event": "call",
                        "Status": "-1",
                        "Desc": "呼叫失败！"
                    })
                },
                ended: function() {
                    conversating = false
                    eval("eve")({
                        "Event": "call",
                        "Status": "2",
                        "Desc": "通话结束！"
                    })
                },
                //通话中
                confirmed: function() {
                    conversating = true
                    eval("eve")({
                        "Event": "call",
                        "Status": "1",
                        "Desc": "通话中！"
                    })
                }
            }
            var options = {
                'eventHandlers': eventHandlers,
                'extraHeaders': ['X-Foo: foo', 'X-Bar: bar',  'X-Cusid: '+actionId],
                'mediaConstraints': {
                    'audio': true,
                    'video': false,
                    mandatory: {
                        maxWidth: 640,
                        maxHeight: 360
                    },
                },
            };
            userAgent.call('sip:' + phoneNum + '@' + regFs, options)

        }

        // 挂断
        function hangup() {
            eval("eve")({
                "Event": "hangup",
                "Status": "0",
                "Desc": "挂断中！"
            })
            userAgent.terminateSessions()
            eval("eve")({
                "Event": "hangup",
                "Status": "1",
                "Desc": "挂断成功！"
            })
        }
        //静音的方法
        function Mute() {
            let options = {
                audio: true,
                video: true,
            }
            Session.mute(options)
        }
        //取消静音的方法
        function unMute() {
            let options = {
                audio: true,
                video: true
            }
            Session.unmute(options)
            shieldState = false
        }
        //保持的方法\
        function Hold() {
            let options = {
                useUpdate: false
            }
            let done = function() {
                eval("eve")({
                    "Event": "hold",
                    "Status": "0",
                    "Desc": "保持中！"
                })
            }
            Session.hold(options, done)
        }
        //取消保持的方法
        function unHold() {
            let options = {
                useUpdate: false
            }
            let done = function() {
                eval("eve")({
                    "Event": "hold",
                    "Status": "1",
                    "Desc": "取消保持！"
                })
            }
            Session.unhold(options, done)
        }

        //接听
        function answer() {
            let options = {
                'extraHeaders': ['X-Foo: foo', 'X-Bar: bar'],
                'mediaConstraints': {
                    'audio': true,
                    'video': false,
                },
            }
            Session.answer(options);
            eval("eve")({
                "Event": "callin",
                "Status": "1",
                "Desc": "来电接听！"
            })

        }
        //输出DTMF信号
        function sendtmf(value) {
            eval("eve")({
                "Event": "dtmf",
                "Status": "0",
                "Desc": "发送中！"
            })
            Session.sendDTMF(value)
        }
        return {
            reg,
            unreg,
            call,
            hangup,
            Mute,
            unMute,
            answer,
            sendtmf,
            Hold,
            unHold
        }
    }
    /*
     * JsSIP v3.9.1
     * the Javascript SIP library
     * Copyright: 2012-2022 
     * Homepage: https://jssip.net
     * License: MIT
     */
    ! function(e) {
        if ("object" == typeof exports && "undefined" != typeof module) module.exports = e();
        else if ("function" == typeof define && define.amd) define([], e);
        else {
            ("undefined" != typeof window ? window : "undefined" != typeof global ? global : "undefined" !=
                typeof self ?
                self : this).JsSIP = e()
        }
    }(function() {
        return function() {
            return function e(t, n, r) {
                function s(o, l) {
                    if (!n[o]) {
                        if (!t[o]) {
                            var u = "function" == typeof require && require;
                            if (!l && u) return u(o, !0);
                            if (i) return i(o, !0);
                            var a = new Error("Cannot find module '" + o + "'");
                            throw a.code = "MODULE_NOT_FOUND", a
                        }
                        var c = n[o] = {
                            exports: {}
                        };
                        t[o][0].call(c.exports, function(e) {
                            return s(t[o][1][e] || e)
                        }, c, c.exports, e, t, n, r)
                    }
                    return n[o].exports
                }
                for (var i = "function" == typeof require && require, o = 0; o < r.length; o++) s(r[o]);
                return s
            }
        }()({
            1: [function(e, t, n) {
                "use strict";

                function r(e, t) {
                    var n;
                    if ("undefined" == typeof Symbol || null == e[Symbol.iterator]) {
                        if (Array.isArray(e) || (n = function(e, t) {
                                if (!e) return;
                                if ("string" == typeof e) return s(e, t);
                                var n = Object.prototype.toString.call(e).slice(8, -1);
                                "Object" === n && e.constructor && (n = e.constructor.name);
                                if ("Map" === n || "Set" === n) return Array.from(e);
                                if ("Arguments" === n ||
                                    /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/
                                    .test(n)) return s(e, t)
                            }(e)) || t && e && "number" == typeof e.length) {
                            n && (e = n);
                            var r = 0,
                                i = function() {};
                            return {
                                s: i,
                                n: function() {
                                    return r >= e.length ? {
                                        done: !0
                                    } : {
                                        done: !1,
                                        value: e[r++]
                                    }
                                },
                                e: function(e) {
                                    throw e
                                },
                                f: i
                            }
                        }
                        throw new TypeError(
                            "Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."
                        )
                    }
                    var o, l = !0,
                        u = !1;
                    return {
                        s: function() {
                            n = e[Symbol.iterator]()
                        },
                        n: function() {
                            var e = n.next();
                            return l = e.done, e
                        },
                        e: function(e) {
                            u = !0, o = e
                        },
                        f: function() {
                            try {
                                l || null == n.return || n.return()
                            } finally {
                                if (u) throw o
                            }
                        }
                    }
                }

                function s(e, t) {
                    (null == t || t > e.length) && (t = e.length);
                    for (var n = 0, r = new Array(t); n < t; n++) r[n] = e[n];
                    return r
                }
                var i = e("./Utils"),
                    o = e("./Constants"),
                    l = e("./Grammar"),
                    u = e("./URI"),
                    a = e("./Socket"),
                    c = e("./Exceptions");
                n.settings = {
                    authorization_user: null,
                    password: null,
                    realm: null,
                    ha1: null,
                    authorization_jwt: null,
                    display_name: null,
                    uri: null,
                    contact_uri: null,
                    instance_id: null,
                    use_preloaded_route: !1,
                    session_timers: !0,
                    session_timers_refresh_method: o.UPDATE,
                    session_timers_force_refresher: !1,
                    no_answer_timeout: 60,
                    register: !0,
                    register_expires: 600,
                    registrar_server: null,
                    sockets: null,
                    connection_recovery_max_interval: o.CONNECTION_RECOVERY_MAX_INTERVAL,
                    connection_recovery_min_interval: o.CONNECTION_RECOVERY_MIN_INTERVAL,
                    via_host: "".concat(i.createRandomToken(12), ".invalid")
                };
                var h = {
                    mandatory: {
                        sockets: function(e) {
                            var t = [];
                            if (a.isSocket(e)) t.push({
                                socket: e
                            });
                            else {
                                if (!Array.isArray(e) || !e.length) return;
                                var n, s = r(e);
                                try {
                                    for (s.s(); !(n = s.n()).done;) {
                                        var i = n.value;
                                        Object.prototype.hasOwnProperty.call(i, "socket") &&
                                            a
                                            .isSocket(i.socket) ? t.push(i) : a.isSocket(
                                                i) && t
                                            .push({
                                                socket: i
                                            })
                                    }
                                } catch (e) {
                                    s.e(e)
                                } finally {
                                    s.f()
                                }
                            }
                            return t
                        },
                        uri: function(e) {
                            /^sip:/i.test(e) || (e = "".concat(o.SIP, ":").concat(e));
                            var t = u.parse(e);
                            return t && t.user ? t : void 0
                        }
                    },
                    optional: {
                        authorization_user: function(e) {
                            return -1 === l.parse('"'.concat(e, '"'), "quoted_string") ?
                                void 0 : e
                        },
                        authorization_jwt: function(e) {
                            if ("string" == typeof e) return e
                        },
                        user_agent: function(e) {
                            if ("string" == typeof e) return e
                        },
                        connection_recovery_max_interval: function(e) {
                            if (i.isDecimal(e)) {
                                var t = Number(e);
                                if (t > 0) return t
                            }
                        },
                        connection_recovery_min_interval: function(e) {
                            if (i.isDecimal(e)) {
                                var t = Number(e);
                                if (t > 0) return t
                            }
                        },
                        contact_uri: function(e) {
                            if ("string" == typeof e) {
                                var t = l.parse(e, "SIP_URI");
                                if (-1 !== t) return t
                            }
                        },
                        display_name: function(e) {
                            return e
                        },
                        instance_id: function(e) {
                            return /^uuid:/i.test(e) && (e = e.substr(5)), -1 === l.parse(e,
                                "uuid") ? void 0 : e
                        },
                        no_answer_timeout: function(e) {
                            if (i.isDecimal(e)) {
                                var t = Number(e);
                                if (t > 0) return t
                            }
                        },
                        session_timers: function(e) {
                            if ("boolean" == typeof e) return e
                        },
                        session_timers_refresh_method: function(e) {
                            if ("string" == typeof e && ((e = e.toUpperCase()) === o
                                    .INVITE ||
                                    e === o.UPDATE)) return e
                        },
                        session_timers_force_refresher: function(e) {
                            if ("boolean" == typeof e) return e
                        },
                        password: function(e) {
                            return String(e)
                        },
                        realm: function(e) {
                            return String(e)
                        },
                        ha1: function(e) {
                            return String(e)
                        },
                        register: function(e) {
                            if ("boolean" == typeof e) return e
                        },
                        register_expires: function(e) {
                            if (i.isDecimal(e)) {
                                var t = Number(e);
                                if (t > 0) return t
                            }
                        },
                        registrar_server: function(e) {
                            /^sip:/i.test(e) || (e = "".concat(o.SIP, ":").concat(e));
                            var t = u.parse(e);
                            return t ? t.user ? void 0 : t : void 0
                        },
                        use_preloaded_route: function(e) {
                            if ("boolean" == typeof e) return e
                        }
                    }
                };
                n.load = function(e, t) {
                    for (var n in h.mandatory) {
                        if (!t.hasOwnProperty(n)) throw new c.ConfigurationError(n);
                        var r = t[n],
                            s = h.mandatory[n](r);
                        if (void 0 === s) throw new c.ConfigurationError(n, r);
                        e[n] = s
                    }
                    for (var o in h.optional)
                        if (t.hasOwnProperty(o)) {
                            var l = t[o];
                            if (i.isEmpty(l)) continue;
                            var u = h.optional[o](l);
                            if (void 0 === u) throw new c.ConfigurationError(o, l);
                            e[o] = u
                        }
                }
            }, {
                "./Constants": 2,
                "./Exceptions": 6,
                "./Grammar": 7,
                "./Socket": 22,
                "./URI": 27,
                "./Utils": 28
            }],
            2: [function(e, t, n) {
                "use strict";
                var r = e("../package.json");
                t.exports = {
                    USER_AGENT: "".concat(r.title, " ").concat(r.version),
                    SIP: "sip",
                    SIPS: "sips",
                    causes: {
                        CONNECTION_ERROR: "Connection Error",
                        REQUEST_TIMEOUT: "Request Timeout",
                        SIP_FAILURE_CODE: "SIP Failure Code",
                        INTERNAL_ERROR: "Internal Error",
                        BUSY: "Busy",
                        REJECTED: "Rejected",
                        REDIRECTED: "Redirected",
                        UNAVAILABLE: "Unavailable",
                        NOT_FOUND: "Not Found",
                        ADDRESS_INCOMPLETE: "Address Incomplete",
                        INCOMPATIBLE_SDP: "Incompatible SDP",
                        MISSING_SDP: "Missing SDP",
                        AUTHENTICATION_ERROR: "Authentication Error",
                        BYE: "Terminated",
                        WEBRTC_ERROR: "WebRTC Error",
                        CANCELED: "Canceled",
                        NO_ANSWER: "No Answer",
                        EXPIRES: "Expires",
                        NO_ACK: "No ACK",
                        DIALOG_ERROR: "Dialog Error",
                        USER_DENIED_MEDIA_ACCESS: "User Denied Media Access",
                        BAD_MEDIA_DESCRIPTION: "Bad Media Description",
                        RTP_TIMEOUT: "RTP Timeout"
                    },
                    SIP_ERROR_CAUSES: {
                        REDIRECTED: [300, 301, 302, 305, 380],
                        BUSY: [486, 600],
                        REJECTED: [403, 603],
                        NOT_FOUND: [404, 604],
                        UNAVAILABLE: [480, 410, 408, 430],
                        ADDRESS_INCOMPLETE: [484, 424],
                        INCOMPATIBLE_SDP: [488, 606],
                        AUTHENTICATION_ERROR: [401, 407]
                    },
                    ACK: "ACK",
                    BYE: "BYE",
                    CANCEL: "CANCEL",
                    INFO: "INFO",
                    INVITE: "INVITE",
                    MESSAGE: "MESSAGE",
                    NOTIFY: "NOTIFY",
                    OPTIONS: "OPTIONS",
                    REGISTER: "REGISTER",
                    REFER: "REFER",
                    UPDATE: "UPDATE",
                    SUBSCRIBE: "SUBSCRIBE",
                    DTMF_TRANSPORT: {
                        INFO: "INFO",
                        RFC2833: "RFC2833"
                    },
                    REASON_PHRASE: {
                        100: "Trying",
                        180: "Ringing",
                        181: "Call Is Being Forwarded",
                        182: "Queued",
                        183: "Session Progress",
                        199: "Early Dialog Terminated",
                        200: "OK",
                        202: "Accepted",
                        204: "No Notification",
                        300: "Multiple Choices",
                        301: "Moved Permanently",
                        302: "Moved Temporarily",
                        305: "Use Proxy",
                        380: "Alternative Service",
                        400: "Bad Request",
                        401: "Unauthorized",
                        402: "Payment Required",
                        403: "Forbidden",
                        404: "Not Found",
                        405: "Method Not Allowed",
                        406: "Not Acceptable",
                        407: "Proxy Authentication Required",
                        408: "Request Timeout",
                        410: "Gone",
                        412: "Conditional Request Failed",
                        413: "Request Entity Too Large",
                        414: "Request-URI Too Long",
                        415: "Unsupported Media Type",
                        416: "Unsupported URI Scheme",
                        417: "Unknown Resource-Priority",
                        420: "Bad Extension",
                        421: "Extension Required",
                        422: "Session Interval Too Small",
                        423: "Interval Too Brief",
                        424: "Bad Location Information",
                        428: "Use Identity Header",
                        429: "Provide Referrer Identity",
                        430: "Flow Failed",
                        433: "Anonymity Disallowed",
                        436: "Bad Identity-Info",
                        437: "Unsupported Certificate",
                        438: "Invalid Identity Header",
                        439: "First Hop Lacks Outbound Support",
                        440: "Max-Breadth Exceeded",
                        469: "Bad Info Package",
                        470: "Consent Needed",
                        478: "Unresolvable Destination",
                        480: "Temporarily Unavailable",
                        481: "Call/Transaction Does Not Exist",
                        482: "Loop Detected",
                        483: "Too Many Hops",
                        484: "Address Incomplete",
                        485: "Ambiguous",
                        486: "Busy Here",
                        487: "Request Terminated",
                        488: "Not Acceptable Here",
                        489: "Bad Event",
                        491: "Request Pending",
                        493: "Undecipherable",
                        494: "Security Agreement Required",
                        500: "JsSIP Internal Error",
                        501: "Not Implemented",
                        502: "Bad Gateway",
                        503: "Service Unavailable",
                        504: "Server Time-out",
                        505: "Version Not Supported",
                        513: "Message Too Large",
                        580: "Precondition Failure",
                        600: "Busy Everywhere",
                        603: "Decline",
                        604: "Does Not Exist Anywhere",
                        606: "Not Acceptable"
                    },
                    ALLOWED_METHODS: "INVITE,ACK,CANCEL,BYE,UPDATE,MESSAGE,OPTIONS,REFER,INFO,NOTIFY",
                    ACCEPTED_BODY_TYPES: "application/sdp, application/dtmf-relay",
                    MAX_FORWARDS: 69,
                    SESSION_EXPIRES: 90,
                    MIN_SESSION_EXPIRES: 60,
                    CONNECTION_RECOVERY_MAX_INTERVAL: 30,
                    CONNECTION_RECOVERY_MIN_INTERVAL: 2
                }
            }, {
                "../package.json": 40
            }],
            3: [function(e, t, n) {
                "use strict";

                function r(e, t) {
                    for (var n = 0; n < t.length; n++) {
                        var r = t[n];
                        r.enumerable = r.enumerable || !1, r.configurable = !0, "value" in r && (r
                            .writable = !0), Object.defineProperty(e, r.key, r)
                    }
                }

                function s(e, t, n) {
                    return t && r(e.prototype, t), n && r(e, n), e
                }
                var i = e("./Logger"),
                    o = e("./SIPMessage"),
                    l = e("./Constants"),
                    u = e("./Transactions"),
                    a = e("./Dialog/RequestSender"),
                    c = e("./Utils"),
                    h = new i("Dialog"),
                    d = {
                        STATUS_EARLY: 1,
                        STATUS_CONFIRMED: 2
                    };
                t.exports = function() {
                    function e(t, n, r) {
                        var s = arguments.length > 3 && void 0 !== arguments[3] ? arguments[3] :
                            d
                            .STATUS_CONFIRMED;
                        if (function(e, t) {
                                if (!(e instanceof t)) throw new TypeError(
                                    "Cannot call a class as a function")
                            }(this, e), this._owner = t, this._ua = t._ua, this
                            ._uac_pending_reply = !1, this._uas_pending_reply = !1, !n
                            .hasHeader(
                                "contact")) return {
                            error: "unable to create a Dialog without Contact header field"
                        };
                        n instanceof o.IncomingResponse && (s = n.status_code < 200 ? d
                            .STATUS_EARLY : d.STATUS_CONFIRMED);
                        var i = n.parseHeader("contact");
                        "UAS" === r ? (this._id = {
                                    call_id: n.call_id,
                                    local_tag: n.to_tag,
                                    remote_tag: n.from_tag,
                                    toString: function() {
                                        return this.call_id + this.local_tag + this
                                            .remote_tag
                                    }
                                }, this._state = s, this._remote_seqnum = n.cseq, this
                                ._local_uri =
                                n.parseHeader("to").uri, this._remote_uri = n.parseHeader(
                                    "from")
                                .uri, this._remote_target = i.uri, this._route_set = n
                                .getHeaders(
                                    "record-route"), this._ack_seqnum = this._remote_seqnum) :
                            "UAC" === r && (this._id = {
                                    call_id: n.call_id,
                                    local_tag: n.from_tag,
                                    remote_tag: n.to_tag,
                                    toString: function() {
                                        return this.call_id + this.local_tag + this
                                            .remote_tag
                                    }
                                }, this._state = s, this._local_seqnum = n.cseq, this
                                ._local_uri = n
                                .parseHeader("from").uri, this._remote_uri = n.parseHeader("to")
                                .uri, this._remote_target = i.uri, this._route_set = n
                                .getHeaders(
                                    "record-route").reverse(), this._ack_seqnum = null), this
                            ._ua
                            .newDialog(this), h.debug("new ".concat(r,
                                " dialog created with status ").concat(this._state === d
                                .STATUS_EARLY ? "EARLY" : "CONFIRMED"))
                    }
                    return s(e, null, [{
                        key: "C",
                        get: function() {
                            return d
                        }
                    }]), s(e, [{
                        key: "update",
                        value: function(e, t) {
                            this._state = d.STATUS_CONFIRMED, h.debug("dialog "
                                    .concat(this._id.toString(),
                                        "  changed to CONFIRMED state")),
                                "UAC" ===
                                t && (this._route_set = e.getHeaders(
                                        "record-route")
                                    .reverse())
                        }
                    }, {
                        key: "terminate",
                        value: function() {
                            h.debug("dialog ".concat(this._id.toString(),
                                " deleted")), this._ua.destroyDialog(this)
                        }
                    }, {
                        key: "sendRequest",
                        value: function(e) {
                            var t = this,
                                n = arguments.length > 1 && void 0 !==
                                arguments[
                                    1] ? arguments[1] : {},
                                r = c.cloneArray(n.extraHeaders),
                                s = c.cloneObject(n.eventHandlers),
                                i = n.body || null,
                                o = this._createRequest(e, r, i);
                            return s.onAuthenticated = function() {
                                t._local_seqnum += 1
                            }, new a(this, o, s).send(), o
                        }
                    }, {
                        key: "receiveRequest",
                        value: function(e) {
                            this._checkInDialogRequest(e) && (e.method === l
                                .ACK &&
                                null !== this._ack_seqnum ? this
                                ._ack_seqnum =
                                null : e.method === l.INVITE && (this
                                    ._ack_seqnum = e.cseq), this._owner
                                .receiveRequest(e))
                        }
                    }, {
                        key: "_createRequest",
                        value: function(e, t, n) {
                            t = c.cloneArray(t), this._local_seqnum || (this
                                ._local_seqnum = Math.floor(1e4 * Math
                                    .random())
                            );
                            var r = e === l.CANCEL || e === l.ACK ? this
                                ._local_seqnum : this._local_seqnum += 1;
                            return new o.OutgoingRequest(e, this._remote_target,
                                this._ua, {
                                    cseq: r,
                                    call_id: this._id.call_id,
                                    from_uri: this._local_uri,
                                    from_tag: this._id.local_tag,
                                    to_uri: this._remote_uri,
                                    to_tag: this._id.remote_tag,
                                    route_set: this._route_set
                                }, t, n)
                        }
                    }, {
                        key: "_checkInDialogRequest",
                        value: function(e) {
                            var t = this;
                            if (this._remote_seqnum)
                                if (e.cseq < this._remote_seqnum) {
                                    if (e.method !== l.ACK) return e.reply(500),
                                        !1;
                                    if (null === this._ack_seqnum || e.cseq !==
                                        this
                                        ._ack_seqnum) return !1
                                } else e.cseq > this._remote_seqnum && (this
                                    ._remote_seqnum = e.cseq);
                            else this._remote_seqnum = e.cseq;
                            if (e.method === l.INVITE || e.method === l
                                .UPDATE && e
                                .body) {
                                if (!0 === this._uac_pending_reply) e.reply(
                                    491);
                                else {
                                    if (!0 === this._uas_pending_reply) {
                                        var n = 1 + (10 * Math.random() | 0);
                                        return e.reply(500, null, [
                                            "Retry-After:"
                                            .concat(n)
                                        ]), !1
                                    }
                                    this._uas_pending_reply = !0;
                                    e.server_transaction.on("stateChanged",
                                        function n() {
                                            e.server_transaction.state !== u
                                                .C
                                                .STATUS_ACCEPTED && e
                                                .server_transaction
                                                .state !== u
                                                .C.STATUS_COMPLETED && e
                                                .server_transaction
                                                .state !== u
                                                .C.STATUS_TERMINATED || (e
                                                    .server_transaction
                                                    .removeListener(
                                                        "stateChanged", n),
                                                    t
                                                    ._uas_pending_reply = !1
                                                )
                                        })
                                }
                                e.hasHeader("contact") && e.server_transaction
                                    .on(
                                        "stateChanged",
                                        function() {
                                            e.server_transaction.state === u.C
                                                .STATUS_ACCEPTED && (t
                                                    ._remote_target = e
                                                    .parseHeader(
                                                        "contact").uri)
                                        })
                            } else e.method === l.NOTIFY && e.hasHeader(
                                "contact") && e.server_transaction.on(
                                "stateChanged",
                                function() {
                                    e.server_transaction.state === u.C
                                        .STATUS_COMPLETED && (t
                                            ._remote_target =
                                            e.parseHeader("contact").uri)
                                });
                            return !0
                        }
                    }, {
                        key: "id",
                        get: function() {
                            return this._id
                        }
                    }, {
                        key: "local_seqnum",
                        get: function() {
                            return this._local_seqnum
                        },
                        set: function(e) {
                            this._local_seqnum = e
                        }
                    }, {
                        key: "owner",
                        get: function() {
                            return this._owner
                        }
                    }, {
                        key: "uac_pending_reply",
                        get: function() {
                            return this._uac_pending_reply
                        },
                        set: function(e) {
                            this._uac_pending_reply = e
                        }
                    }, {
                        key: "uas_pending_reply",
                        get: function() {
                            return this._uas_pending_reply
                        }
                    }]), e
                }()
            }, {
                "./Constants": 2,
                "./Dialog/RequestSender": 4,
                "./Logger": 9,
                "./SIPMessage": 21,
                "./Transactions": 24,
                "./Utils": 28
            }],
            4: [function(e, t, n) {
                "use strict";

                function r(e, t) {
                    for (var n = 0; n < t.length; n++) {
                        var r = t[n];
                        r.enumerable = r.enumerable || !1, r.configurable = !0, "value" in r && (r
                            .writable = !0), Object.defineProperty(e, r.key, r)
                    }
                }
                var s = e("../Constants"),
                    i = e("../Transactions"),
                    o = e("../RTCSession"),
                    l = e("../RequestSender"),
                    u = {
                        onRequestTimeout: function() {},
                        onTransportError: function() {},
                        onSuccessResponse: function() {},
                        onErrorResponse: function() {},
                        onAuthenticated: function() {},
                        onDialogError: function() {}
                    };
                t.exports = function() {
                    function e(t, n, r) {
                        for (var s in function(e, t) {
                                    if (!(e instanceof t)) throw new TypeError(
                                        "Cannot call a class as a function")
                                }(this, e), this._dialog = t, this._ua = t._ua, this._request =
                                n,
                                this._eventHandlers = r, this._reattempt = !1, this
                                ._reattemptTimer = null, u) Object.prototype.hasOwnProperty
                            .call(u,
                                s) && (this._eventHandlers[s] || (this._eventHandlers[s] = u[
                                s]))
                    }
                    var t, n, a;
                    return t = e, (n = [{
                        key: "send",
                        value: function() {
                            var e = this,
                                t = new l(this._ua, this._request, {
                                    onRequestTimeout: function() {
                                        e._eventHandlers
                                            .onRequestTimeout()
                                    },
                                    onTransportError: function() {
                                        e._eventHandlers
                                            .onTransportError()
                                    },
                                    onAuthenticated: function(t) {
                                        e._eventHandlers
                                            .onAuthenticated(t)
                                    },
                                    onReceiveResponse: function(t) {
                                        e._receiveResponse(t)
                                    }
                                });
                            if (t.send(), (this._request.method === s.INVITE ||
                                    this
                                    ._request.method === s.UPDATE && this
                                    ._request
                                    .body) && t.clientTransaction.state !== i.C
                                .STATUS_TERMINATED) {
                                this._dialog.uac_pending_reply = !0;
                                t.clientTransaction.on("stateChanged",
                                    function n() {
                                        t.clientTransaction.state !== i.C
                                            .STATUS_ACCEPTED && t
                                            .clientTransaction.state !== i.C
                                            .STATUS_COMPLETED && t
                                            .clientTransaction.state !== i.C
                                            .STATUS_TERMINATED || (t
                                                .clientTransaction
                                                .removeListener(
                                                    "stateChanged",
                                                    n), e._dialog
                                                .uac_pending_reply = !1)
                                    })
                            }
                        }
                    }, {
                        key: "_receiveResponse",
                        value: function(e) {
                            var t = this;
                            408 === e.status_code || 481 === e.status_code ?
                                this
                                ._eventHandlers.onDialogError(e) : e.method ===
                                s
                                .INVITE && 491 === e.status_code ? this
                                ._reattempt ?
                                e.status_code >= 200 && e.status_code < 300 ?
                                this
                                ._eventHandlers.onSuccessResponse(e) : e
                                .status_code >= 300 && this._eventHandlers
                                .onErrorResponse(e) : (this._request.cseq = this
                                    ._dialog.local_seqnum += 1, this
                                    ._reattemptTimer = setTimeout(function() {
                                        t._dialog.owner.status !== o.C
                                            .STATUS_TERMINATED && (t
                                                ._reattempt = !0, t
                                                ._request_sender.send())
                                    }, 1e3)) : e.status_code >= 200 && e
                                .status_code < 300 ? this._eventHandlers
                                .onSuccessResponse(e) : e.status_code >= 300 &&
                                this
                                ._eventHandlers.onErrorResponse(e)
                        }
                    }, {
                        key: "request",
                        get: function() {
                            return this._request
                        }
                    }]) && r(t.prototype, n), a && r(t, a), e
                }()
            }, {
                "../Constants": 2,
                "../RTCSession": 14,
                "../RequestSender": 20,
                "../Transactions": 24
            }],
            5: [function(e, t, n) {
                "use strict";

                function r(e, t) {
                    for (var n = 0; n < t.length; n++) {
                        var r = t[n];
                        r.enumerable = r.enumerable || !1, r.configurable = !0, "value" in r && (r
                            .writable = !0), Object.defineProperty(e, r.key, r)
                    }
                }
                var s = e("./Logger"),
                    i = e("./Utils"),
                    o = new s("DigestAuthentication");
                t.exports = function() {
                    function e(t) {
                        ! function(e, t) {
                            if (!(e instanceof t)) throw new TypeError(
                                "Cannot call a class as a function")
                        }(this, e), this._credentials = t, this._cnonce = null, this._nc = 0,
                            this
                            ._ncHex = "00000000", this._algorithm = null, this._realm = null,
                            this
                            ._nonce = null, this._opaque = null, this._stale = null, this._qop =
                            null, this._method = null, this._uri = null, this._ha1 = null, this
                            ._response = null
                    }
                    var t, n, s;
                    return t = e, (n = [{
                        key: "get",
                        value: function(e) {
                            switch (e) {
                                case "realm":
                                    return this._realm;
                                case "ha1":
                                    return this._ha1;
                                default:
                                    return void o.warn(
                                        'get() | cannot get "%s" parameter',
                                        e)
                            }
                        }
                    }, {
                        key: "authenticate",
                        value: function(e, t) {
                            var n = e.method,
                                r = e.ruri,
                                s = e.body,
                                l = arguments.length > 2 && void 0 !==
                                arguments[
                                    2] ? arguments[2] : null;
                            if (this._algorithm = t.algorithm, this._realm = t
                                .realm, this._nonce = t.nonce, this._opaque = t
                                .opaque, this._stale = t.stale, this._algorithm
                            ) {
                                if ("MD5" !== this._algorithm) return o.warn(
                                    'authenticate() | challenge with Digest algorithm different than "MD5", authentication aborted'
                                ), !1
                            } else this._algorithm = "MD5";
                            if (!this._nonce) return o.warn(
                                "authenticate() | challenge without Digest nonce, authentication aborted"
                            ), !1;
                            if (!this._realm) return o.warn(
                                "authenticate() | challenge without Digest realm, authentication aborted"
                            ), !1;
                            if (!this._credentials.password) {
                                if (!this._credentials.ha1) return o.warn(
                                    "authenticate() | no plain SIP password nor ha1 provided, authentication aborted"
                                ), !1;
                                if (this._credentials.realm !== this._realm)
                                    return o.warn(
                                            'authenticate() | no plain SIP password, and stored `realm` does not match the given `realm`, cannot authenticate [stored:"%s", given:"%s"]',
                                            this._credentials.realm, this._realm
                                        ), !
                                        1
                            }
                            if (t.qop)
                                if (t.qop.indexOf("auth-int") > -1) this._qop =
                                    "auth-int";
                                else {
                                    if (!(t.qop.indexOf("auth") > -1)) return o
                                        .warn(
                                            'authenticate() | challenge without Digest qop different than "auth" or "auth-int", authentication aborted'
                                        ), !1;
                                    this._qop = "auth"
                                }
                            else this._qop = null;
                            this._method = n, this._uri = r, this._cnonce = l ||
                                i
                                .createRandomToken(12), this._nc += 1;
                            var u, a, c = Number(this._nc).toString(16);
                            return this._ncHex = "00000000".substr(0, 8 - c
                                    .length) + c, 4294967296 === this._nc && (
                                    this._nc =
                                    1, this._ncHex = "00000001"), this
                                ._credentials
                                .password ? this._ha1 = i.calculateMD5(""
                                    .concat(
                                        this._credentials.username, ":").concat(
                                        this
                                        ._realm, ":").concat(this._credentials
                                        .password)) : this._ha1 = this
                                ._credentials.ha1,
                                "auth" === this._qop ? (u = "".concat(this
                                        ._method,
                                        ":").concat(this._uri), a = i
                                    .calculateMD5(
                                        u), o.debug(
                                        'authenticate() | using qop=auth [a2:"%s"]',
                                        u), this._response = i.calculateMD5(""
                                        .concat(this._ha1, ":").concat(this
                                            ._nonce,
                                            ":").concat(this._ncHex, ":")
                                        .concat(
                                            this._cnonce, ":auth:").concat(a))
                                ) :
                                "auth-int" === this._qop ? (u = "".concat(this
                                        ._method, ":").concat(this._uri, ":")
                                    .concat(i.calculateMD5(s || "")), a = i
                                    .calculateMD5(u), o.debug(
                                        'authenticate() | using qop=auth-int [a2:"%s"]',
                                        u), this._response = i.calculateMD5(""
                                        .concat(this._ha1, ":").concat(this
                                            ._nonce,
                                            ":").concat(this._ncHex, ":")
                                        .concat(
                                            this._cnonce, ":auth-int:").concat(
                                            a))
                                ) : null === this._qop && (u = "".concat(this
                                        ._method, ":").concat(this._uri), a = i
                                    .calculateMD5(u), o.debug(
                                        'authenticate() | using qop=null [a2:"%s"]',
                                        u), this._response = i.calculateMD5(""
                                        .concat(this._ha1, ":").concat(this
                                            ._nonce,
                                            ":").concat(a))), o.debug(
                                    "authenticate() | response generated"), !0
                        }
                    }, {
                        key: "toString",
                        value: function() {
                            var e = [];
                            if (!this._response) throw new Error(
                                "response field does not exist, cannot generate Authorization header"
                            );
                            return e.push("algorithm=".concat(this._algorithm)),
                                e
                                .push('username="'.concat(this._credentials
                                    .username, '"')), e.push('realm="'.concat(
                                    this
                                    ._realm, '"')), e.push('nonce="'.concat(this
                                    ._nonce, '"')), e.push('uri="'.concat(this
                                    ._uri,
                                    '"')), e.push('response="'.concat(this
                                    ._response, '"')), this._opaque && e.push(
                                    'opaque="'.concat(this._opaque, '"')), this
                                ._qop && (e.push("qop=".concat(this._qop)), e
                                    .push(
                                        'cnonce="'.concat(this._cnonce, '"')), e
                                    .push("nc=".concat(this._ncHex))), "Digest "
                                .concat(e.join(", "))
                        }
                    }]) && r(t.prototype, n), s && r(t, s), e
                }()
            }, {
                "./Logger": 9,
                "./Utils": 28
            }],
            6: [function(e, t, n) {
                "use strict";

                function r(e) {
                    return (r = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ?
                        function(e) {
                            return typeof e
                        } : function(e) {
                            return e && "function" == typeof Symbol && e.constructor ===
                                Symbol &&
                                e !== Symbol.prototype ? "symbol" : typeof e
                        })(e)
                }

                function s(e, t) {
                    if (!(e instanceof t)) throw new TypeError("Cannot call a class as a function")
                }

                function i(e, t) {
                    if ("function" != typeof t && null !== t) throw new TypeError(
                        "Super expression must either be null or a function");
                    e.prototype = Object.create(t && t.prototype, {
                        constructor: {
                            value: e,
                            writable: !0,
                            configurable: !0
                        }
                    }), t && c(e, t)
                }

                function o(e) {
                    var t = a();
                    return function() {
                        var n, s = h(e);
                        if (t) {
                            var i = h(this).constructor;
                            n = Reflect.construct(s, arguments, i)
                        } else n = s.apply(this, arguments);
                        return function(e, t) {
                            if (t && ("object" === r(t) || "function" == typeof t))
                                return t;
                            return function(e) {
                                if (void 0 === e) throw new ReferenceError(
                                    "this hasn't been initialised - super() hasn't been called"
                                );
                                return e
                            }(e)
                        }(this, n)
                    }
                }

                function l(e) {
                    var t = "function" == typeof Map ? new Map : void 0;
                    return (l = function(e) {
                        if (null === e || (n = e, -1 === Function.toString.call(n).indexOf(
                                "[native code]"))) return e;
                        var n;
                        if ("function" != typeof e) throw new TypeError(
                            "Super expression must either be null or a function");
                        if (void 0 !== t) {
                            if (t.has(e)) return t.get(e);
                            t.set(e, r)
                        }

                        function r() {
                            return u(e, arguments, h(this).constructor)
                        }
                        return r.prototype = Object.create(e.prototype, {
                            constructor: {
                                value: r,
                                enumerable: !1,
                                writable: !0,
                                configurable: !0
                            }
                        }), c(r, e)
                    })(e)
                }

                function u(e, t, n) {
                    return (u = a() ? Reflect.construct : function(e, t, n) {
                        var r = [null];
                        r.push.apply(r, t);
                        var s = new(Function.bind.apply(e, r));
                        return n && c(s, n.prototype), s
                    }).apply(null, arguments)
                }

                function a() {
                    if ("undefined" == typeof Reflect || !Reflect.construct) return !1;
                    if (Reflect.construct.sham) return !1;
                    if ("function" == typeof Proxy) return !0;
                    try {
                        return Date.prototype.toString.call(Reflect.construct(Date, [],
                                function() {})),
                            !0
                    } catch (e) {
                        return !1
                    }
                }

                function c(e, t) {
                    return (c = Object.setPrototypeOf || function(e, t) {
                        return e.__proto__ = t, e
                    })(e, t)
                }

                function h(e) {
                    return (h = Object.setPrototypeOf ? Object.getPrototypeOf : function(e) {
                        return e.__proto__ || Object.getPrototypeOf(e)
                    })(e)
                }
                var d = function(e) {
                        i(n, l(Error));
                        var t = o(n);

                        function n(e, r) {
                            var i;
                            return s(this, n), (i = t.call(this)).code = 1, i.name =
                                "CONFIGURATION_ERROR", i.parameter = e, i.value = r, i.message = i
                                .value ? "Invalid value ".concat(JSON.stringify(i.value),
                                    ' for parameter "').concat(i.parameter, '"') :
                                "Missing parameter: "
                                .concat(i.parameter), i
                        }
                        return n
                    }(),
                    f = function(e) {
                        i(n, l(Error));
                        var t = o(n);

                        function n(e) {
                            var r;
                            return s(this, n), (r = t.call(this)).code = 2, r.name =
                                "INVALID_STATE_ERROR", r.status = e, r.message = "Invalid status: "
                                .concat(e), r
                        }
                        return n
                    }(),
                    _ = function(e) {
                        i(n, l(Error));
                        var t = o(n);

                        function n(e) {
                            var r;
                            return s(this, n), (r = t.call(this)).code = 3, r.name =
                                "NOT_SUPPORTED_ERROR", r.message = e, r
                        }
                        return n
                    }(),
                    p = function(e) {
                        i(n, l(Error));
                        var t = o(n);

                        function n(e) {
                            var r;
                            return s(this, n), (r = t.call(this)).code = 4, r.name =
                                "NOT_READY_ERROR",
                                r.message = e, r
                        }
                        return n
                    }();
                t.exports = {
                    ConfigurationError: d,
                    InvalidStateError: f,
                    NotSupportedError: _,
                    NotReadyError: p
                }
            }, {}],
            7: [function(e, t, n) {
                "use strict";
                t.exports = function() {
                    function t(e) {
                        return '"' + e.replace(/\\/g, "\\\\").replace(/"/g, '\\"').replace(
                            /\x08/g,
                            "\\b").replace(/\t/g, "\\t").replace(/\n/g, "\\n").replace(
                            /\f/g,
                            "\\f").replace(/\r/g, "\\r").replace(
                            /[\x00-\x07\x0B\x0E-\x1F\x80-\uFFFF]/g, escape) + '"'
                    }
                    var n = {
                        parse: function(n, r) {
                            var s = {
                                CRLF: c,
                                DIGIT: h,
                                ALPHA: d,
                                HEXDIG: f,
                                WSP: _,
                                OCTET: p,
                                DQUOTE: m,
                                SP: v,
                                HTAB: g,
                                alphanum: y,
                                reserved: T,
                                unreserved: C,
                                mark: b,
                                escaped: S,
                                LWS: E,
                                SWS: A,
                                HCOLON: R,
                                TEXT_UTF8_TRIM: w,
                                TEXT_UTF8char: I,
                                UTF8_NONASCII: O,
                                UTF8_CONT: k,
                                LHEX: function() {
                                    var e;
                                    null === (e = h()) && (/^[a-f]/.test(n
                                        .charAt(
                                            i)) ? (e = n.charAt(i),
                                        i++) : (e =
                                        null, 0 === o && a("[a-f]")));
                                    return e
                                },
                                token: N,
                                token_nodot: U,
                                separators: function() {
                                    var e;
                                    40 === n.charCodeAt(i) ? (e = "(", i++) : (
                                        e =
                                        null, 0 === o && a('"("'));
                                    null === e && (41 === n.charCodeAt(i) ? (e =
                                        ")", i++) : (e = null, 0 ===
                                        o && a(
                                            '")"')), null === e && (
                                        60 === n
                                        .charCodeAt(i) ? (e = "<",
                                            i++) : (
                                            e = null, 0 === o && a(
                                                '"<"')),
                                        null === e && (62 === n
                                            .charCodeAt(
                                                i) ? (e = ">", i++) : (
                                                e =
                                                null, 0 === o && a(
                                                    '">"')),
                                            null === e && (64 === n
                                                .charCodeAt(i) ? (e =
                                                    "@",
                                                    i++) : (e = null,
                                                    0 ===
                                                    o && a('"@"')),
                                                null ===
                                                e && (44 === n
                                                    .charCodeAt(
                                                        i) ? (e = ",",
                                                        i++) : (
                                                        e = null, 0 ===
                                                        o &&
                                                        a('","')),
                                                    null ===
                                                    e && (59 === n
                                                        .charCodeAt(i) ?
                                                        (
                                                            e = ";", i++
                                                        ) :
                                                        (e = null, 0 ===
                                                            o && a(
                                                                '";"')),
                                                        null === e && (
                                                            58 === n
                                                            .charCodeAt(
                                                                i) ?
                                                            (e = ":",
                                                                i++) :
                                                            (e = null,
                                                                0 ===
                                                                o && a(
                                                                    '":"'
                                                                )),
                                                            null ===
                                                            e && (
                                                                92 === n
                                                                .charCodeAt(
                                                                    i) ?
                                                                (
                                                                    e =
                                                                    "\\",
                                                                    i++
                                                                ) :
                                                                (
                                                                    e =
                                                                    null,
                                                                    0 ===
                                                                    o &&
                                                                    a(
                                                                        '"\\\\"'
                                                                    )),
                                                                null ===
                                                                e &&
                                                                null ===
                                                                (
                                                                    e =
                                                                    m()
                                                                ) && (
                                                                    47 ===
                                                                    n
                                                                    .charCodeAt(
                                                                        i
                                                                    ) ?
                                                                    (e = "/",
                                                                        i++
                                                                    ) :
                                                                    (e = null,
                                                                        0 ===
                                                                        o &&
                                                                        a(
                                                                            '"/"'
                                                                        )
                                                                    ),
                                                                    null ===
                                                                    e &&
                                                                    (
                                                                        91 ===
                                                                        n
                                                                        .charCodeAt(
                                                                            i
                                                                        ) ?
                                                                        (e = "[",
                                                                            i++
                                                                        ) :
                                                                        (e = null,
                                                                            0 ===
                                                                            o &&
                                                                            a(
                                                                                '"["'
                                                                            )
                                                                        ),
                                                                        null ===
                                                                        e &&
                                                                        (93 ===
                                                                            n
                                                                            .charCodeAt(
                                                                                i
                                                                            ) ?
                                                                            (e = "]",
                                                                                i++
                                                                            ) :
                                                                            (e = null,
                                                                                0 ===
                                                                                o &&
                                                                                a(
                                                                                    '"]"'
                                                                                )
                                                                            ),
                                                                            null ===
                                                                            e &&
                                                                            (63 ===
                                                                                n
                                                                                .charCodeAt(
                                                                                    i
                                                                                ) ?
                                                                                (e = "?",
                                                                                    i++
                                                                                ) :
                                                                                (e = null,
                                                                                    0 ===
                                                                                    o &&
                                                                                    a(
                                                                                        '"?"'
                                                                                    )
                                                                                ),
                                                                                null ===
                                                                                e &&
                                                                                (61 ===
                                                                                    n
                                                                                    .charCodeAt(
                                                                                        i
                                                                                    ) ?
                                                                                    (e = "=",
                                                                                        i++
                                                                                    ) :
                                                                                    (e = null,
                                                                                        0 ===
                                                                                        o &&
                                                                                        a(
                                                                                            '"="'
                                                                                        )
                                                                                    ),
                                                                                    null ===
                                                                                    e &&
                                                                                    (123 ===
                                                                                        n
                                                                                        .charCodeAt(
                                                                                            i
                                                                                        ) ?
                                                                                        (e = "{",
                                                                                            i++
                                                                                        ) :
                                                                                        (e = null,
                                                                                            0 ===
                                                                                            o &&
                                                                                            a(
                                                                                                '"{"'
                                                                                            )
                                                                                        ),
                                                                                        null ===
                                                                                        e &&
                                                                                        (125 ===
                                                                                            n
                                                                                            .charCodeAt(
                                                                                                i
                                                                                            ) ?
                                                                                            (e = "}",
                                                                                                i++
                                                                                            ) :
                                                                                            (e = null,
                                                                                                0 ===
                                                                                                o &&
                                                                                                a(
                                                                                                    '"}"'
                                                                                                )
                                                                                            ),
                                                                                            null ===
                                                                                            e &&
                                                                                            null ===
                                                                                            (e =
                                                                                                v()
                                                                                            ) &&
                                                                                            (e =
                                                                                                g()
                                                                                            )
                                                                                        )
                                                                                    )
                                                                                )
                                                                            )
                                                                        )
                                                                    ))))
                                                    ))))));
                                    return e
                                },
                                word: D,
                                STAR: x,
                                SLASH: P,
                                EQUAL: M,
                                LPAREN: q,
                                RPAREN: L,
                                RAQUOT: H,
                                LAQUOT: F,
                                COMMA: j,
                                SEMI: G,
                                COLON: W,
                                LDQUOT: V,
                                RDQUOT: B,
                                comment: function e() {
                                    var t, n, r;
                                    var s;
                                    s = i;
                                    t = q();
                                    if (null !== t) {
                                        for (n = [], null === (r = K()) &&
                                            null ===
                                            (r = X()) && (r = e()); null !== r;)
                                            n
                                            .push(r), null === (r = K()) &&
                                            null ===
                                            (r = X()) && (r = e());
                                        null !== n && null !== (r = L()) ? t = [
                                            t,
                                            n, r
                                        ] : (t = null, i = s)
                                    } else t = null, i = s;
                                    return t
                                },
                                ctext: K,
                                quoted_string: z,
                                quoted_string_clean: Y,
                                qdtext: $,
                                quoted_pair: X,
                                SIP_URI_noparams: J,
                                SIP_URI: Q,
                                uri_scheme: Z,
                                uri_scheme_sips: ee,
                                uri_scheme_sip: te,
                                userinfo: ne,
                                user: re,
                                user_unreserved: se,
                                password: ie,
                                hostport: oe,
                                host: le,
                                hostname: ue,
                                domainlabel: ae,
                                toplabel: ce,
                                IPv6reference: he,
                                IPv6address: de,
                                h16: fe,
                                ls32: _e,
                                IPv4address: pe,
                                dec_octet: me,
                                port: ve,
                                uri_parameters: ge,
                                uri_parameter: ye,
                                transport_param: Te,
                                user_param: Ce,
                                method_param: be,
                                ttl_param: Se,
                                maddr_param: Ee,
                                lr_param: Ae,
                                other_param: Re,
                                pname: we,
                                pvalue: Ie,
                                paramchar: Oe,
                                param_unreserved: ke,
                                headers: Ne,
                                header: Ue,
                                hname: De,
                                hvalue: xe,
                                hnv_unreserved: Pe,
                                Request_Response: function() {
                                    var e;
                                    null === (e = ht()) && (e = Me());
                                    return e
                                },
                                Request_Line: Me,
                                Request_URI: qe,
                                absoluteURI: Le,
                                hier_part: He,
                                net_path: Fe,
                                abs_path: je,
                                opaque_part: Ge,
                                uric: We,
                                uric_no_slash: Ve,
                                path_segments: Be,
                                segment: Ke,
                                param: ze,
                                pchar: Ye,
                                scheme: $e,
                                authority: Xe,
                                srvr: Je,
                                reg_name: Qe,
                                query: Ze,
                                SIP_Version: et,
                                INVITEm: tt,
                                ACKm: nt,
                                OPTIONSm: rt,
                                BYEm: st,
                                CANCELm: it,
                                REGISTERm: ot,
                                SUBSCRIBEm: lt,
                                NOTIFYm: ut,
                                REFERm: at,
                                Method: ct,
                                Status_Line: ht,
                                Status_Code: dt,
                                extension_code: ft,
                                Reason_Phrase: _t,
                                Allow_Events: function() {
                                    var e, t, n, r, s, o;
                                    if (s = i, null !== (e = Lt())) {
                                        for (t = [], o = i, null !== (n =
                                                j()) &&
                                            null !== (r = Lt()) ? n = [n, r] : (
                                                n =
                                                null, i = o); null !== n;) t
                                            .push(
                                                n), o = i, null !== (n = j()) &&
                                            null !== (r = Lt()) ? n = [n, r] : (
                                                n =
                                                null, i = o);
                                        null !== t ? e = [e, t] : (e = null, i =
                                            s)
                                    } else e = null, i = s;
                                    return e
                                },
                                Call_ID: function() {
                                    var e, t, r, s, l, u;
                                    s = i, l = i, null !== (e = D()) ? (u = i,
                                        64 === n.charCodeAt(i) ? (t = "@",
                                            i++) : (t = null, 0 === o && a(
                                            '"@"')),
                                        null !== t && null !== (r = D()) ?
                                        t = [
                                            t, r
                                        ] : (t = null, i = u), null !== (t =
                                            null !== t ? t : "") ? e = [e,
                                            t
                                        ] :
                                        (e = null, i = l)) : (e = null, i =
                                        l);
                                    null !== e && (c = s, e = void(jn = n
                                        .substring(
                                            i, c)));
                                    var c;
                                    null === e && (i = s);
                                    return e
                                },
                                Contact: function() {
                                    var e, t, n, r, s, o, l;
                                    if (s = i, null === (e = x()))
                                        if (o = i, null !== (e = pt())) {
                                            for (t = [], l = i, null !== (n =
                                                    j()) && null !== (r =
                                                    pt()) ? n = [n,
                                                    r
                                                ] : (n = null, i = l); null !==
                                                n;)
                                                t.push(n), l = i, null !== (n =
                                                    j()) && null !== (r =
                                                    pt()) ? n = [n,
                                                    r
                                                ] : (n = null, i = l);
                                            null !== t ? e = [e, t] : (e = null,
                                                i =
                                                o)
                                        } else e = null, i = o;
                                    null !== e && (e = function(e) {
                                        var t, n;
                                        for (n = jn.multi_header.length,
                                            t =
                                            0; t < n; t++)
                                            if (null === jn
                                                .multi_header[t]
                                                .parsed) {
                                                jn = null;
                                                break
                                            } jn = null !== jn ? jn
                                            .multi_header : -1
                                    }());
                                    null === e && (i = s);
                                    return e
                                },
                                contact_param: pt,
                                name_addr: mt,
                                display_name: vt,
                                contact_params: gt,
                                c_p_q: yt,
                                c_p_expires: Tt,
                                delta_seconds: Ct,
                                qvalue: bt,
                                generic_param: St,
                                gen_value: Et,
                                Content_Disposition: function() {
                                    var e, t, n, r, s, o;
                                    if (s = i, null !== (e = At())) {
                                        for (t = [], o = i, null !== (n =
                                                G()) &&
                                            null !== (r = Rt()) ? n = [n, r] : (
                                                n =
                                                null, i = o); null !== n;) t
                                            .push(
                                                n), o = i, null !== (n = G()) &&
                                            null !== (r = Rt()) ? n = [n, r] : (
                                                n =
                                                null, i = o);
                                        null !== t ? e = [e, t] : (e = null, i =
                                            s)
                                    } else e = null, i = s;
                                    return e
                                },
                                disp_type: At,
                                disp_param: Rt,
                                handling_param: wt,
                                Content_Encoding: function() {
                                    var e, t, n, r, s, o;
                                    if (s = i, null !== (e = N())) {
                                        for (t = [], o = i, null !== (n =
                                                j()) &&
                                            null !== (r = N()) ? n = [n, r] : (
                                                n =
                                                null, i = o); null !== n;) t
                                            .push(
                                                n), o = i, null !== (n = j()) &&
                                            null !== (r = N()) ? n = [n, r] : (
                                                n =
                                                null, i = o);
                                        null !== t ? e = [e, t] : (e = null, i =
                                            s)
                                    } else e = null, i = s;
                                    return e
                                },
                                Content_Length: function() {
                                    var e, t, n;
                                    if (n = i, null !== (t = h()))
                                        for (e = []; null !== t;) e.push(t), t =
                                            h();
                                    else e = null;
                                    null !== e && (e = void(jn = parseInt(e
                                        .join(
                                            ""))));
                                    null === e && (i = n);
                                    return e
                                },
                                Content_Type: function() {
                                    var e, t;
                                    t = i, null !== (e = It()) && (r = t, e =
                                        void(
                                            jn = n.substring(i, r)));
                                    var r;
                                    null === e && (i = t);
                                    return e
                                },
                                media_type: It,
                                m_type: Ot,
                                discrete_type: kt,
                                composite_type: Nt,
                                extension_token: Ut,
                                x_token: Dt,
                                m_subtype: xt,
                                m_parameter: Pt,
                                m_value: Mt,
                                CSeq: function() {
                                    var e, t, n, r;
                                    r = i, null !== (e = qt()) && null !== (t =
                                        E()) && null !== (n = ct()) ? e = [
                                        e, t, n
                                    ] : (
                                        e = null, i = r);
                                    return e
                                },
                                CSeq_value: qt,
                                Expires: function() {
                                    var e, t;
                                    t = i, null !== (e = Ct()) && (e = void(jn =
                                        e));
                                    null === e && (i = t);
                                    return e
                                },
                                Event: function() {
                                    var e, t, n, r, s, o, l;
                                    if (s = i, o = i, null !== (e = Lt())) {
                                        for (t = [], l = i, null !== (n =
                                                G()) &&
                                            null !== (r = St()) ? n = [n, r] : (
                                                n =
                                                null, i = l); null !== n;) t
                                            .push(
                                                n), l = i, null !== (n = G()) &&
                                            null !== (r = St()) ? n = [n, r] : (
                                                n =
                                                null, i = l);
                                        null !== t ? e = [e, t] : (e = null, i =
                                            o)
                                    } else e = null, i = o;
                                    null !== e && (u = e[0], e = void(jn.event =
                                        u
                                        .join("").toLowerCase()));
                                    var u;
                                    null === e && (i = s);
                                    return e
                                },
                                event_type: Lt,
                                From: function() {
                                    var e, t, n, r, s, o, l;
                                    s = i, o = i, null === (e = J()) && (e =
                                        mt());
                                    if (null !== e) {
                                        for (t = [], l = i, null !== (n =
                                                G()) &&
                                            null !== (r = Ht()) ? n = [n, r] : (
                                                n =
                                                null, i = l); null !== n;) t
                                            .push(
                                                n), l = i, null !== (n = G()) &&
                                            null !== (r = Ht()) ? n = [n, r] : (
                                                n =
                                                null, i = l);
                                        null !== t ? e = [e, t] : (e = null, i =
                                            o)
                                    } else e = null, i = o;
                                    null !== e && (e = function(e) {
                                        var t = jn.tag;
                                        try {
                                            jn = new Fn(jn.uri, jn
                                                .display_name, jn
                                                .params
                                            ), t && jn.setParam(
                                                "tag", t)
                                        } catch (e) {
                                            jn = -1
                                        }
                                    }());
                                    null === e && (i = s);
                                    return e
                                },
                                from_param: Ht,
                                tag_param: Ft,
                                Max_Forwards: function() {
                                    var e, t, n;
                                    if (n = i, null !== (t = h()))
                                        for (e = []; null !== t;) e.push(t), t =
                                            h();
                                    else e = null;
                                    null !== e && (e = void(jn = parseInt(e
                                        .join(
                                            ""))));
                                    null === e && (i = n);
                                    return e
                                },
                                Min_Expires: function() {
                                    var e, t;
                                    t = i, null !== (e = Ct()) && (e = void(jn =
                                        e));
                                    null === e && (i = t);
                                    return e
                                },
                                Name_Addr_Header: function() {
                                    var e, t, n, r, s, o, l, u, a, c;
                                    u = i, a = i, e = [], t = vt();
                                    for (; null !== t;) e.push(t), t = vt();
                                    if (null !== e)
                                        if (null !== (t = F()))
                                            if (null !== (n = Q()))
                                                if (null !== (r = H())) {
                                                    for (s = [], c = i, null !==
                                                        (
                                                            o = G()) && null !==
                                                        (
                                                            l = St()) ? o = [o,
                                                            l
                                                        ] :
                                                        (o = null, i =
                                                            c); null !==
                                                        o;) s.push(o), c = i,
                                                        null !== (o = G()) &&
                                                        null !== (l = St()) ?
                                                        o = [
                                                            o, l
                                                        ] : (o = null, i = c);
                                                    null !== s ? e = [e, t, n,
                                                        r,
                                                        s
                                                    ] : (e = null, i = a)
                                                } else e = null, i = a;
                                    else e = null, i = a;
                                    else e = null, i = a;
                                    else e = null, i = a;
                                    null !== e && (e = function(e) {
                                        try {
                                            jn = new Fn(jn.uri, jn
                                                .display_name, jn
                                                .params
                                            )
                                        } catch (e) {
                                            jn = -1
                                        }
                                    }());
                                    null === e && (i = u);
                                    return e
                                },
                                Proxy_Authenticate: function() {
                                    return jt()
                                },
                                challenge: jt,
                                other_challenge: Gt,
                                auth_param: Wt,
                                digest_cln: Vt,
                                realm: Bt,
                                realm_value: Kt,
                                domain: zt,
                                URI: Yt,
                                nonce: $t,
                                nonce_value: Xt,
                                opaque: Jt,
                                stale: Qt,
                                algorithm: Zt,
                                qop_options: en,
                                qop_value: tn,
                                Proxy_Require: function() {
                                    var e, t, n, r, s, o;
                                    if (s = i, null !== (e = N())) {
                                        for (t = [], o = i, null !== (n =
                                                j()) &&
                                            null !== (r = N()) ? n = [n, r] : (
                                                n =
                                                null, i = o); null !== n;) t
                                            .push(
                                                n), o = i, null !== (n = j()) &&
                                            null !== (r = N()) ? n = [n, r] : (
                                                n =
                                                null, i = o);
                                        null !== t ? e = [e, t] : (e = null, i =
                                            s)
                                    } else e = null, i = s;
                                    return e
                                },
                                Record_Route: function() {
                                    var e, t, n, r, s, o, l;
                                    if (s = i, o = i, null !== (e = nn())) {
                                        for (t = [], l = i, null !== (n =
                                                j()) &&
                                            null !== (r = nn()) ? n = [n, r] : (
                                                n =
                                                null, i = l); null !== n;) t
                                            .push(
                                                n), l = i, null !== (n = j()) &&
                                            null !== (r = nn()) ? n = [n, r] : (
                                                n =
                                                null, i = l);
                                        null !== t ? e = [e, t] : (e = null, i =
                                            o)
                                    } else e = null, i = o;
                                    null !== e && (e = function(e) {
                                        var t, n;
                                        for (n = jn.multi_header.length,
                                            t =
                                            0; t < n; t++)
                                            if (null === jn
                                                .multi_header[t]
                                                .parsed) {
                                                jn = null;
                                                break
                                            } jn = null !== jn ? jn
                                            .multi_header : -1
                                    }());
                                    null === e && (i = s);
                                    return e
                                },
                                rec_route: nn,
                                Reason: function() {
                                    var e, t, r, s, l, u, c;
                                    l = i, u = i, "sip" === n.substr(i, 3)
                                        .toLowerCase() ? (e = n.substr(i, 3),
                                            i +=
                                            3) : (e = null, 0 === o && a(
                                            '"SIP"'));
                                    null === e && (e = N());
                                    if (null !== e) {
                                        for (t = [], c = i, null !== (r =
                                                G()) &&
                                            null !== (s = rn()) ? r = [r, s] : (
                                                r =
                                                null, i = c); null !== r;) t
                                            .push(
                                                r), c = i, null !== (r = G()) &&
                                            null !== (s = rn()) ? r = [r, s] : (
                                                r =
                                                null, i = c);
                                        null !== t ? e = [e, t] : (e = null, i =
                                            u)
                                    } else e = null, i = u;
                                    null !== e && (e = function(e, t) {
                                        if (jn.protocol = t
                                            .toLowerCase(),
                                            jn.params || (jn
                                                .params = {}),
                                            jn.params.text && '"' === jn
                                            .params.text[0]) {
                                            var n = jn.params.text;
                                            jn.text = n.substring(1, n
                                                    .length - 1),
                                                delete jn
                                                .params.text
                                        }
                                    }(0, e[0]));
                                    null === e && (i = l);
                                    return e
                                },
                                reason_param: rn,
                                reason_cause: sn,
                                Require: function() {
                                    var e, t, n, r, s, o;
                                    if (s = i, null !== (e = N())) {
                                        for (t = [], o = i, null !== (n =
                                                j()) &&
                                            null !== (r = N()) ? n = [n, r] : (
                                                n =
                                                null, i = o); null !== n;) t
                                            .push(
                                                n), o = i, null !== (n = j()) &&
                                            null !== (r = N()) ? n = [n, r] : (
                                                n =
                                                null, i = o);
                                        null !== t ? e = [e, t] : (e = null, i =
                                            s)
                                    } else e = null, i = s;
                                    return e
                                },
                                Route: function() {
                                    var e, t, n, r, s, o;
                                    if (s = i, null !== (e = on())) {
                                        for (t = [], o = i, null !== (n =
                                                j()) &&
                                            null !== (r = on()) ? n = [n, r] : (
                                                n =
                                                null, i = o); null !== n;) t
                                            .push(
                                                n), o = i, null !== (n = j()) &&
                                            null !== (r = on()) ? n = [n, r] : (
                                                n =
                                                null, i = o);
                                        null !== t ? e = [e, t] : (e = null, i =
                                            s)
                                    } else e = null, i = s;
                                    return e
                                },
                                route_param: on,
                                Subscription_State: function() {
                                    var e, t, n, r, s, o;
                                    if (s = i, null !== (e = ln())) {
                                        for (t = [], o = i, null !== (n =
                                                G()) &&
                                            null !== (r = un()) ? n = [n, r] : (
                                                n =
                                                null, i = o); null !== n;) t
                                            .push(
                                                n), o = i, null !== (n = G()) &&
                                            null !== (r = un()) ? n = [n, r] : (
                                                n =
                                                null, i = o);
                                        null !== t ? e = [e, t] : (e = null, i =
                                            s)
                                    } else e = null, i = s;
                                    return e
                                },
                                substate_value: ln,
                                subexp_params: un,
                                event_reason_value: an,
                                Subject: function() {
                                    var e;
                                    return e = null !== (e = w()) ? e : ""
                                },
                                Supported: function() {
                                    var e, t, n, r, s, o;
                                    if (s = i, null !== (e = N())) {
                                        for (t = [], o = i, null !== (n =
                                                j()) &&
                                            null !== (r = N()) ? n = [n, r] : (
                                                n =
                                                null, i = o); null !== n;) t
                                            .push(
                                                n), o = i, null !== (n = j()) &&
                                            null !== (r = N()) ? n = [n, r] : (
                                                n =
                                                null, i = o);
                                        null !== t ? e = [e, t] : (e = null, i =
                                            s)
                                    } else e = null, i = s;
                                    return e = null !== e ? e : ""
                                },
                                To: function() {
                                    var e, t, n, r, s, o, l;
                                    s = i, o = i, null === (e = J()) && (e =
                                        mt());
                                    if (null !== e) {
                                        for (t = [], l = i, null !== (n =
                                                G()) &&
                                            null !== (r = cn()) ? n = [n, r] : (
                                                n =
                                                null, i = l); null !== n;) t
                                            .push(
                                                n), l = i, null !== (n = G()) &&
                                            null !== (r = cn()) ? n = [n, r] : (
                                                n =
                                                null, i = l);
                                        null !== t ? e = [e, t] : (e = null, i =
                                            o)
                                    } else e = null, i = o;
                                    null !== e && (e = function(e) {
                                        var t = jn.tag;
                                        try {
                                            jn = new Fn(jn.uri, jn
                                                .display_name, jn
                                                .params
                                            ), t && jn.setParam(
                                                "tag", t)
                                        } catch (e) {
                                            jn = -1
                                        }
                                    }());
                                    null === e && (i = s);
                                    return e
                                },
                                to_param: cn,
                                Via: function() {
                                    var e, t, n, r, s, o;
                                    if (s = i, null !== (e = hn())) {
                                        for (t = [], o = i, null !== (n =
                                                j()) &&
                                            null !== (r = hn()) ? n = [n, r] : (
                                                n =
                                                null, i = o); null !== n;) t
                                            .push(
                                                n), o = i, null !== (n = j()) &&
                                            null !== (r = hn()) ? n = [n, r] : (
                                                n =
                                                null, i = o);
                                        null !== t ? e = [e, t] : (e = null, i =
                                            s)
                                    } else e = null, i = s;
                                    return e
                                },
                                via_param: hn,
                                via_params: dn,
                                via_ttl: fn,
                                via_maddr: _n,
                                via_received: pn,
                                via_branch: mn,
                                response_port: vn,
                                rport: gn,
                                sent_protocol: yn,
                                protocol_name: Tn,
                                transport: Cn,
                                sent_by: bn,
                                via_host: Sn,
                                via_port: En,
                                ttl: An,
                                WWW_Authenticate: function() {
                                    return jt()
                                },
                                Session_Expires: function() {
                                    var e, t, n, r, s, o;
                                    if (s = i, null !== (e = Rn())) {
                                        for (t = [], o = i, null !== (n =
                                                G()) &&
                                            null !== (r = wn()) ? n = [n, r] : (
                                                n =
                                                null, i = o); null !== n;) t
                                            .push(
                                                n), o = i, null !== (n = G()) &&
                                            null !== (r = wn()) ? n = [n, r] : (
                                                n =
                                                null, i = o);
                                        null !== t ? e = [e, t] : (e = null, i =
                                            s)
                                    } else e = null, i = s;
                                    return e
                                },
                                s_e_expires: Rn,
                                s_e_params: wn,
                                s_e_refresher: In,
                                extension_header: function() {
                                    var e, t, n, r;
                                    r = i, null !== (e = N()) && null !== (t =
                                        R()) && null !== (n = On()) ? e = [
                                        e, t, n
                                    ] : (
                                        e = null, i = r);
                                    return e
                                },
                                header_value: On,
                                message_body: function() {
                                    var e, t;
                                    e = [], t = p();
                                    for (; null !== t;) e.push(t), t = p();
                                    return e
                                },
                                uuid_URI: function() {
                                    var e, t, r;
                                    r = i, "uuid:" === n.substr(i, 5) ? (e =
                                        "uuid:", i += 5) : (e = null, 0 ===
                                        o &&
                                        a('"uuid:"'));
                                    null !== e && null !== (t = kn()) ? e = [e,
                                            t
                                        ] :
                                        (e = null, i = r);
                                    return e
                                },
                                uuid: kn,
                                hex4: Nn,
                                hex8: Un,
                                hex12: Dn,
                                Refer_To: function() {
                                    var e, t, n, r, s, o, l;
                                    s = i, o = i, null === (e = J()) && (e =
                                        mt());
                                    if (null !== e) {
                                        for (t = [], l = i, null !== (n =
                                                G()) &&
                                            null !== (r = St()) ? n = [n, r] : (
                                                n =
                                                null, i = l); null !== n;) t
                                            .push(
                                                n), l = i, null !== (n = G()) &&
                                            null !== (r = St()) ? n = [n, r] : (
                                                n =
                                                null, i = l);
                                        null !== t ? e = [e, t] : (e = null, i =
                                            o)
                                    } else e = null, i = o;
                                    null !== e && (e = function(e) {
                                        try {
                                            jn = new Fn(jn.uri, jn
                                                .display_name, jn
                                                .params
                                            )
                                        } catch (e) {
                                            jn = -1
                                        }
                                    }());
                                    null === e && (i = s);
                                    return e
                                },
                                Replaces: function() {
                                    var e, t, n, r, s, o;
                                    if (s = i, null !== (e = xn())) {
                                        for (t = [], o = i, null !== (n =
                                                G()) &&
                                            null !== (r = Pn()) ? n = [n, r] : (
                                                n =
                                                null, i = o); null !== n;) t
                                            .push(
                                                n), o = i, null !== (n = G()) &&
                                            null !== (r = Pn()) ? n = [n, r] : (
                                                n =
                                                null, i = o);
                                        null !== t ? e = [e, t] : (e = null, i =
                                            s)
                                    } else e = null, i = s;
                                    return e
                                },
                                call_id: xn,
                                replaces_param: Pn,
                                to_tag: Mn,
                                from_tag: qn,
                                early_flag: Ln
                            };
                            if (void 0 !== r) {
                                if (void 0 === s[r]) throw new Error(
                                    "Invalid rule name: " +
                                    t(r) + ".")
                            } else r = "CRLF";
                            var i = 0,
                                o = 0,
                                l = 0,
                                u = [];

                            function a(e) {
                                i < l || (i > l && (l = i, u = []), u.push(e))
                            }

                            function c() {
                                var e;
                                return "\r\n" === n.substr(i, 2) ? (e = "\r\n", i +=
                                    2) : (
                                    e = null, 0 === o && a('"\\r\\n"')), e
                            }

                            function h() {
                                var e;
                                return /^[0-9]/.test(n.charAt(i)) ? (e = n.charAt(i),
                                        i++) :
                                    (e = null, 0 === o && a("[0-9]")), e
                            }

                            function d() {
                                var e;
                                return /^[a-zA-Z]/.test(n.charAt(i)) ? (e = n.charAt(i),
                                    i++) : (e = null, 0 === o && a("[a-zA-Z]")), e
                            }

                            function f() {
                                var e;
                                return /^[0-9a-fA-F]/.test(n.charAt(i)) ? (e = n.charAt(
                                            i),
                                        i++) : (e = null, 0 === o && a("[0-9a-fA-F]")),
                                    e
                            }

                            function _() {
                                var e;
                                return null === (e = v()) && (e = g()), e
                            }

                            function p() {
                                var e;
                                return /^[\0-\xFF]/.test(n.charAt(i)) ? (e = n.charAt(
                                            i),
                                        i++) : (e = null, 0 === o && a("[\\0-\\xFF]")),
                                    e
                            }

                            function m() {
                                var e;
                                return /^["]/.test(n.charAt(i)) ? (e = n.charAt(i),
                                    i++) : (
                                    e = null, 0 === o && a('["]')), e
                            }

                            function v() {
                                var e;
                                return 32 === n.charCodeAt(i) ? (e = " ", i++) : (e =
                                    null,
                                    0 === o && a('" "')), e
                            }

                            function g() {
                                var e;
                                return 9 === n.charCodeAt(i) ? (e = "\t", i++) : (e =
                                    null,
                                    0 === o && a('"\\t"')), e
                            }

                            function y() {
                                var e;
                                return /^[a-zA-Z0-9]/.test(n.charAt(i)) ? (e = n.charAt(
                                            i),
                                        i++) : (e = null, 0 === o && a("[a-zA-Z0-9]")),
                                    e
                            }

                            function T() {
                                var e;
                                return 59 === n.charCodeAt(i) ? (e = ";", i++) : (e =
                                    null,
                                    0 === o && a('";"')), null === e && (47 === n
                                    .charCodeAt(i) ? (e = "/", i++) : (e = null,
                                        0 ===
                                        o && a('"/"')), null === e && (63 === n
                                        .charCodeAt(i) ? (e = "?", i++) : (e = null,
                                            0 === o && a('"?"')), null === e && (
                                            58 ===
                                            n.charCodeAt(i) ? (e = ":", i++) : (e =
                                                null, 0 === o && a('":"')), null ===
                                            e && (64 === n.charCodeAt(i) ? (e = "@",
                                                i++) : (e = null, 0 === o && a(
                                                '"@"')), null === e && (38 === n
                                                .charCodeAt(i) ? (e = "&",
                                                    i++) : (
                                                    e = null, 0 === o && a(
                                                        '"&"')),
                                                null === e && (61 === n
                                                    .charCodeAt(
                                                        i) ? (e = "=", i++) : (
                                                        e =
                                                        null, 0 === o && a(
                                                            '"="')),
                                                    null === e && (43 === n
                                                        .charCodeAt(i) ? (e =
                                                            "+",
                                                            i++) : (e = null,
                                                            0 ===
                                                            o && a('"+"')),
                                                        null ===
                                                        e && (36 === n
                                                            .charCodeAt(
                                                                i) ? (e = "$",
                                                                i++) : (
                                                                e = null, 0 ===
                                                                o &&
                                                                a('"$"')),
                                                            null ===
                                                            e && (44 === n
                                                                .charCodeAt(i) ?
                                                                (
                                                                    e = ",", i++
                                                                ) :
                                                                (e = null, 0 ===
                                                                    o && a(
                                                                        '","')))
                                                        )
                                                    ))))))), e
                            }

                            function C() {
                                var e;
                                return null === (e = y()) && (e = b()), e
                            }

                            function b() {
                                var e;
                                return 45 === n.charCodeAt(i) ? (e = "-", i++) : (e =
                                    null,
                                    0 === o && a('"-"')), null === e && (95 === n
                                    .charCodeAt(i) ? (e = "_", i++) : (e = null,
                                        0 ===
                                        o && a('"_"')), null === e && (46 === n
                                        .charCodeAt(i) ? (e = ".", i++) : (e = null,
                                            0 === o && a('"."')), null === e && (
                                            33 ===
                                            n.charCodeAt(i) ? (e = "!", i++) : (e =
                                                null, 0 === o && a('"!"')), null ===
                                            e && (126 === n.charCodeAt(i) ? (e =
                                                "~",
                                                i++) : (e = null, 0 === o && a(
                                                '"~"')), null === e && (42 === n
                                                .charCodeAt(i) ? (e = "*",
                                                    i++) : (
                                                    e = null, 0 === o && a(
                                                        '"*"')),
                                                null === e && (39 === n
                                                    .charCodeAt(
                                                        i) ? (e = "'", i++) : (
                                                        e =
                                                        null, 0 === o && a(
                                                            '"\'"')),
                                                    null === e && (40 === n
                                                        .charCodeAt(i) ? (e =
                                                            "(",
                                                            i++) : (e = null,
                                                            0 ===
                                                            o && a('"("')),
                                                        null ===
                                                        e && (41 === n
                                                            .charCodeAt(
                                                                i) ? (e = ")",
                                                                i++) : (
                                                                e = null, 0 ===
                                                                o &&
                                                                a('")"')))))))))), e
                            }

                            function S() {
                                var e, t, r, s, l;
                                return s = i, l = i, 37 === n.charCodeAt(i) ? (e = "%",
                                        i++) : (e = null, 0 === o && a('"%"')), null !==
                                    e &&
                                    null !== (t = f()) && null !== (r = f()) ? e = [e,
                                        t,
                                        r
                                    ] : (e = null, i = l), null !== e && (e = e.join(
                                        "")),
                                    null === e && (i = s), e
                            }

                            function E() {
                                var e, t, n, r, s, o;
                                for (r = i, s = i, o = i, e = [], t = _(); null !== t;)
                                    e
                                    .push(t), t = _();
                                if (null !== e && null !== (t = c()) ? e = [e, t] : (e =
                                        null, i = o), null !== (e = null !== e ? e :
                                        "")) {
                                    if (null !== (n = _()))
                                        for (t = []; null !== n;) t.push(n), n = _();
                                    else t = null;
                                    null !== t ? e = [e, t] : (e = null, i = s)
                                } else e = null, i = s;
                                return null !== e && (e = " "), null === e && (i = r), e
                            }

                            function A() {
                                var e;
                                return e = null !== (e = E()) ? e : ""
                            }

                            function R() {
                                var e, t, r, s, l;
                                for (s = i, l = i, e = [], null === (t = v()) && (t =
                                        g()); null !== t;) e.push(t), null === (t =
                                    v()) && (t =
                                    g());
                                return null !== e ? (58 === n.charCodeAt(i) ? (t = ":",
                                        i++) : (t = null, 0 === o && a('":"')),
                                    null !==
                                    t && null !== (r = A()) ? e = [e, t, r] : (e =
                                        null,
                                        i = l)) : (e = null, i = l), null !== e && (
                                    e =
                                    ":"), null === e && (i = s), e
                            }

                            function w() {
                                var e, t, r, s, o, l, u, a;
                                if (o = i, l = i, null !== (t = I()))
                                    for (e = []; null !== t;) e.push(t), t = I();
                                else e = null;
                                if (null !== e) {
                                    for (t = [], u = i, r = [], s = E(); null !== s;) r
                                        .push(s), s = E();
                                    for (null !== r && null !== (s = I()) ? r = [r, s] :
                                        (
                                            r = null, i = u); null !== r;) {
                                        for (t.push(r), u = i, r = [], s = E(); null !==
                                            s;)
                                            r.push(s), s = E();
                                        null !== r && null !== (s = I()) ? r = [r, s] :
                                            (r =
                                                null, i = u)
                                    }
                                    null !== t ? e = [e, t] : (e = null, i = l)
                                } else e = null, i = l;
                                return null !== e && (a = o, e = n.substring(i, a)),
                                    null === e && (i = o), e
                            }

                            function I() {
                                var e;
                                return /^[!-~]/.test(n.charAt(i)) ? (e = n.charAt(i),
                                        i++) :
                                    (e = null, 0 === o && a("[!-~]")), null === e && (
                                        e =
                                        O()), e
                            }

                            function O() {
                                var e;
                                return /^[\x80-\uFFFF]/.test(n.charAt(i)) ? (e = n
                                    .charAt(
                                        i), i++) : (e = null, 0 === o && a(
                                    "[\\x80-\\uFFFF]")), e
                            }

                            function k() {
                                var e;
                                return /^[\x80-\xBF]/.test(n.charAt(i)) ? (e = n.charAt(
                                        i),
                                    i++) : (e = null, 0 === o && a(
                                    "[\\x80-\\xBF]")), e
                            }

                            function N() {
                                var e, t, r, s;
                                if (r = i, null === (t = y()) && (45 === n.charCodeAt(
                                            i) ? (
                                            t = "-", i++) : (t = null, 0 === o && a(
                                            '"-"')),
                                        null === t && (46 === n.charCodeAt(i) ? (t =
                                                ".",
                                                i++) : (t = null, 0 === o && a('"."')),
                                            null === t && (33 === n.charCodeAt(i) ? (t =
                                                "!", i++) : (t = null, 0 === o && a(
                                                '"!"')), null === t && (37 === n
                                                .charCodeAt(i) ? (t = "%", i++) : (
                                                    t =
                                                    null, 0 === o && a('"%"')),
                                                null ===
                                                t && (42 === n.charCodeAt(i) ? (t =
                                                    "*",
                                                    i++) : (t = null, 0 === o &&
                                                    a(
                                                        '"*"')), null === t && (
                                                    95 === n
                                                    .charCodeAt(i) ? (t = "_",
                                                        i++) : (t = null, 0 ===
                                                        o && a(
                                                            '"_"')), null ===
                                                    t && (
                                                        43 === n.charCodeAt(i) ?
                                                        (
                                                            t = "+", i++) : (t =
                                                            null, 0 === o && a(
                                                                '"+"')),
                                                        null ===
                                                        t && (96 === n
                                                            .charCodeAt(
                                                                i) ? (t = "`",
                                                                i++) : (
                                                                t = null, 0 ===
                                                                o &&
                                                                a('"`"')),
                                                            null ===
                                                            t && (39 === n
                                                                .charCodeAt(i) ?
                                                                (
                                                                    t = "'", i++
                                                                ) :
                                                                (t = null, 0 ===
                                                                    o && a(
                                                                        '"\'"')
                                                                ),
                                                                null === t && (
                                                                    126 === n
                                                                    .charCodeAt(
                                                                        i) ?
                                                                    (t = "~",
                                                                        i++) :
                                                                    (t = null,
                                                                        0 ===
                                                                        o && a(
                                                                            '"~"'
                                                                        )))
                                                            ))))))))), null !== t)
                                    for (e = []; null !== t;) e.push(t), null === (t =
                                        y()) && (45 === n.charCodeAt(i) ? (t = "-",
                                            i++) : (t =
                                            null, 0 === o && a('"-"')), null ===
                                        t && (
                                            46 === n.charCodeAt(i) ? (t = ".",
                                                i++) : (
                                                t = null, 0 === o && a('"."')),
                                            null ===
                                            t && (33 === n.charCodeAt(i) ? (t = "!",
                                                i++) : (t = null, 0 === o && a(
                                                '"!"')), null === t && (37 === n
                                                .charCodeAt(i) ? (t = "%",
                                                    i++) : (
                                                    t = null, 0 === o && a(
                                                        '"%"')),
                                                null === t && (42 === n
                                                    .charCodeAt(
                                                        i) ? (t = "*", i++) : (
                                                        t =
                                                        null, 0 === o && a(
                                                            '"*"')),
                                                    null === t && (95 === n
                                                        .charCodeAt(i) ? (t =
                                                            "_",
                                                            i++) : (t = null,
                                                            0 ===
                                                            o && a('"_"')),
                                                        null ===
                                                        t && (43 === n
                                                            .charCodeAt(
                                                                i) ? (t = "+",
                                                                i++) : (
                                                                t = null, 0 ===
                                                                o &&
                                                                a('"+"')),
                                                            null ===
                                                            t && (96 === n
                                                                .charCodeAt(i) ?
                                                                (
                                                                    t = "`", i++
                                                                ) :
                                                                (t = null, 0 ===
                                                                    o && a(
                                                                        '"`"')),
                                                                null === t && (
                                                                    39 === n
                                                                    .charCodeAt(
                                                                        i) ?
                                                                    (t = "'",
                                                                        i++) :
                                                                    (t = null,
                                                                        0 ===
                                                                        o && a(
                                                                            '"\'"'
                                                                        )
                                                                    ), null ===
                                                                    t && (
                                                                        126 ===
                                                                        n
                                                                        .charCodeAt(
                                                                            i) ?
                                                                        (
                                                                            t =
                                                                            "~",
                                                                            i++
                                                                        ) :
                                                                        (
                                                                            t =
                                                                            null,
                                                                            0 ===
                                                                            o &&
                                                                            a(
                                                                                '"~"'
                                                                            ))))
                                                            ))))))));
                                else e = null;
                                return null !== e && (s = r, e = n.substring(i, s)),
                                    null === e && (i = r), e
                            }

                            function U() {
                                var e, t, r, s;
                                if (r = i, null === (t = y()) && (45 === n.charCodeAt(
                                            i) ? (
                                            t = "-", i++) : (t = null, 0 === o && a(
                                            '"-"')),
                                        null === t && (33 === n.charCodeAt(i) ? (t =
                                                "!",
                                                i++) : (t = null, 0 === o && a('"!"')),
                                            null === t && (37 === n.charCodeAt(i) ? (t =
                                                "%", i++) : (t = null, 0 === o && a(
                                                '"%"')), null === t && (42 === n
                                                .charCodeAt(i) ? (t = "*", i++) : (
                                                    t =
                                                    null, 0 === o && a('"*"')),
                                                null ===
                                                t && (95 === n.charCodeAt(i) ? (t =
                                                    "_",
                                                    i++) : (t = null, 0 === o &&
                                                    a(
                                                        '"_"')), null === t && (
                                                    43 === n
                                                    .charCodeAt(i) ? (t = "+",
                                                        i++) : (t = null, 0 ===
                                                        o && a(
                                                            '"+"')), null ===
                                                    t && (
                                                        96 === n.charCodeAt(i) ?
                                                        (
                                                            t = "`", i++) : (t =
                                                            null, 0 === o && a(
                                                                '"`"')),
                                                        null ===
                                                        t && (39 === n
                                                            .charCodeAt(
                                                                i) ? (t = "'",
                                                                i++) : (
                                                                t = null, 0 ===
                                                                o &&
                                                                a('"\'"')),
                                                            null ===
                                                            t && (126 === n
                                                                .charCodeAt(i) ?
                                                                (
                                                                    t = "~", i++
                                                                ) :
                                                                (t = null, 0 ===
                                                                    o && a(
                                                                        '"~"')))
                                                        )
                                                    ))))))), null !== t)
                                    for (e = []; null !== t;) e.push(t), null === (t =
                                        y()) && (45 === n.charCodeAt(i) ? (t = "-",
                                            i++) : (t =
                                            null, 0 === o && a('"-"')), null ===
                                        t && (
                                            33 === n.charCodeAt(i) ? (t = "!",
                                                i++) : (
                                                t = null, 0 === o && a('"!"')),
                                            null ===
                                            t && (37 === n.charCodeAt(i) ? (t = "%",
                                                i++) : (t = null, 0 === o && a(
                                                '"%"')), null === t && (42 === n
                                                .charCodeAt(i) ? (t = "*",
                                                    i++) : (
                                                    t = null, 0 === o && a(
                                                        '"*"')),
                                                null === t && (95 === n
                                                    .charCodeAt(
                                                        i) ? (t = "_", i++) : (
                                                        t =
                                                        null, 0 === o && a(
                                                            '"_"')),
                                                    null === t && (43 === n
                                                        .charCodeAt(i) ? (t =
                                                            "+",
                                                            i++) : (t = null,
                                                            0 ===
                                                            o && a('"+"')),
                                                        null ===
                                                        t && (96 === n
                                                            .charCodeAt(
                                                                i) ? (t = "`",
                                                                i++) : (
                                                                t = null, 0 ===
                                                                o &&
                                                                a('"`"')),
                                                            null ===
                                                            t && (39 === n
                                                                .charCodeAt(i) ?
                                                                (
                                                                    t = "'", i++
                                                                ) :
                                                                (t = null, 0 ===
                                                                    o && a(
                                                                        '"\'"')
                                                                ),
                                                                null === t && (
                                                                    126 === n
                                                                    .charCodeAt(
                                                                        i) ?
                                                                    (t = "~",
                                                                        i++) :
                                                                    (t = null,
                                                                        0 ===
                                                                        o && a(
                                                                            '"~"'
                                                                        )))
                                                            ))))))));
                                else e = null;
                                return null !== e && (s = r, e = n.substring(i, s)),
                                    null === e && (i = r), e
                            }

                            function D() {
                                var e, t, r, s;
                                if (r = i, null === (t = y()) && (45 === n.charCodeAt(
                                            i) ? (
                                            t = "-", i++) : (t = null, 0 === o && a(
                                            '"-"')),
                                        null === t && (46 === n.charCodeAt(i) ? (t =
                                                ".",
                                                i++) : (t = null, 0 === o && a('"."')),
                                            null === t && (33 === n.charCodeAt(i) ? (t =
                                                "!", i++) : (t = null, 0 === o && a(
                                                '"!"')), null === t && (37 === n
                                                .charCodeAt(i) ? (t = "%", i++) : (
                                                    t =
                                                    null, 0 === o && a('"%"')),
                                                null ===
                                                t && (42 === n.charCodeAt(i) ? (t =
                                                    "*",
                                                    i++) : (t = null, 0 === o &&
                                                    a(
                                                        '"*"')), null === t && (
                                                    95 === n
                                                    .charCodeAt(i) ? (t = "_",
                                                        i++) : (t = null, 0 ===
                                                        o && a(
                                                            '"_"')), null ===
                                                    t && (
                                                        43 === n.charCodeAt(i) ?
                                                        (
                                                            t = "+", i++) : (t =
                                                            null, 0 === o && a(
                                                                '"+"')),
                                                        null ===
                                                        t && (96 === n
                                                            .charCodeAt(
                                                                i) ? (t = "`",
                                                                i++) : (
                                                                t = null, 0 ===
                                                                o &&
                                                                a('"`"')),
                                                            null ===
                                                            t && (39 === n
                                                                .charCodeAt(i) ?
                                                                (
                                                                    t = "'", i++
                                                                ) :
                                                                (t = null, 0 ===
                                                                    o && a(
                                                                        '"\'"')
                                                                ),
                                                                null === t && (
                                                                    126 === n
                                                                    .charCodeAt(
                                                                        i) ?
                                                                    (t = "~",
                                                                        i++) :
                                                                    (t = null,
                                                                        0 ===
                                                                        o && a(
                                                                            '"~"'
                                                                        )),
                                                                    null ===
                                                                    t && (
                                                                        40 === n
                                                                        .charCodeAt(
                                                                            i) ?
                                                                        (
                                                                            t =
                                                                            "(",
                                                                            i++
                                                                        ) :
                                                                        (
                                                                            t =
                                                                            null,
                                                                            0 ===
                                                                            o &&
                                                                            a(
                                                                                '"("'
                                                                            )),
                                                                        null ===
                                                                        t && (
                                                                            41 ===
                                                                            n
                                                                            .charCodeAt(
                                                                                i
                                                                            ) ?
                                                                            (t = ")",
                                                                                i++
                                                                            ) :
                                                                            (t = null,
                                                                                0 ===
                                                                                o &&
                                                                                a(
                                                                                    '")"'
                                                                                )
                                                                            ),
                                                                            null ===
                                                                            t &&
                                                                            (
                                                                                60 ===
                                                                                n
                                                                                .charCodeAt(
                                                                                    i
                                                                                ) ?
                                                                                (t = "<",
                                                                                    i++
                                                                                ) :
                                                                                (t = null,
                                                                                    0 ===
                                                                                    o &&
                                                                                    a(
                                                                                        '"<"'
                                                                                    )
                                                                                ),
                                                                                null ===
                                                                                t &&
                                                                                (62 ===
                                                                                    n
                                                                                    .charCodeAt(
                                                                                        i
                                                                                    ) ?
                                                                                    (t = ">",
                                                                                        i++
                                                                                    ) :
                                                                                    (t = null,
                                                                                        0 ===
                                                                                        o &&
                                                                                        a(
                                                                                            '">"'
                                                                                        )
                                                                                    ),
                                                                                    null ===
                                                                                    t &&
                                                                                    (58 ===
                                                                                        n
                                                                                        .charCodeAt(
                                                                                            i
                                                                                        ) ?
                                                                                        (t = ":",
                                                                                            i++
                                                                                        ) :
                                                                                        (t = null,
                                                                                            0 ===
                                                                                            o &&
                                                                                            a(
                                                                                                '":"'
                                                                                            )
                                                                                        ),
                                                                                        null ===
                                                                                        t &&
                                                                                        (92 ===
                                                                                            n
                                                                                            .charCodeAt(
                                                                                                i
                                                                                            ) ?
                                                                                            (t = "\\",
                                                                                                i++
                                                                                            ) :
                                                                                            (t = null,
                                                                                                0 ===
                                                                                                o &&
                                                                                                a(
                                                                                                    '"\\\\"'
                                                                                                )
                                                                                            ),
                                                                                            null ===
                                                                                            t &&
                                                                                            null ===
                                                                                            (t =
                                                                                                m()
                                                                                            ) &&
                                                                                            (47 ===
                                                                                                n
                                                                                                .charCodeAt(
                                                                                                    i
                                                                                                ) ?
                                                                                                (t = "/",
                                                                                                    i++
                                                                                                ) :
                                                                                                (t = null,
                                                                                                    0 ===
                                                                                                    o &&
                                                                                                    a(
                                                                                                        '"/"'
                                                                                                    )
                                                                                                ),
                                                                                                null ===
                                                                                                t &&
                                                                                                (91 ===
                                                                                                    n
                                                                                                    .charCodeAt(
                                                                                                        i
                                                                                                    ) ?
                                                                                                    (t = "[",
                                                                                                        i++
                                                                                                    ) :
                                                                                                    (t = null,
                                                                                                        0 ===
                                                                                                        o &&
                                                                                                        a(
                                                                                                            '"["'
                                                                                                        )
                                                                                                    ),
                                                                                                    null ===
                                                                                                    t &&
                                                                                                    (93 ===
                                                                                                        n
                                                                                                        .charCodeAt(
                                                                                                            i
                                                                                                        ) ?
                                                                                                        (t = "]",
                                                                                                            i++
                                                                                                        ) :
                                                                                                        (t = null,
                                                                                                            0 ===
                                                                                                            o &&
                                                                                                            a(
                                                                                                                '"]"'
                                                                                                            )
                                                                                                        ),
                                                                                                        null ===
                                                                                                        t &&
                                                                                                        (63 ===
                                                                                                            n
                                                                                                            .charCodeAt(
                                                                                                                i
                                                                                                            ) ?
                                                                                                            (t = "?",
                                                                                                                i++
                                                                                                            ) :
                                                                                                            (t = null,
                                                                                                                0 ===
                                                                                                                o &&
                                                                                                                a(
                                                                                                                    '"?"'
                                                                                                                )
                                                                                                            ),
                                                                                                            null ===
                                                                                                            t &&
                                                                                                            (123 ===
                                                                                                                n
                                                                                                                .charCodeAt(
                                                                                                                    i
                                                                                                                ) ?
                                                                                                                (t = "{",
                                                                                                                    i++
                                                                                                                ) :
                                                                                                                (t = null,
                                                                                                                    0 ===
                                                                                                                    o &&
                                                                                                                    a(
                                                                                                                        '"{"'
                                                                                                                    )
                                                                                                                ),
                                                                                                                null ===
                                                                                                                t &&
                                                                                                                (125 ===
                                                                                                                    n
                                                                                                                    .charCodeAt(
                                                                                                                        i
                                                                                                                    ) ?
                                                                                                                    (t = "}",
                                                                                                                        i++
                                                                                                                    ) :
                                                                                                                    (t = null,
                                                                                                                        0 ===
                                                                                                                        o &&
                                                                                                                        a(
                                                                                                                            '"}"'
                                                                                                                        )
                                                                                                                    )
                                                                                                                )
                                                                                                            )
                                                                                                        )
                                                                                                    )
                                                                                                )
                                                                                            )
                                                                                        )
                                                                                    )
                                                                                )
                                                                            ))))
                                                            ))))))))), null !== t)
                                    for (e = []; null !== t;) e.push(t), null === (t =
                                        y()) && (45 === n.charCodeAt(i) ? (t = "-",
                                            i++) : (t =
                                            null, 0 === o && a('"-"')), null ===
                                        t && (
                                            46 === n.charCodeAt(i) ? (t = ".",
                                                i++) : (
                                                t = null, 0 === o && a('"."')),
                                            null ===
                                            t && (33 === n.charCodeAt(i) ? (t = "!",
                                                i++) : (t = null, 0 === o && a(
                                                '"!"')), null === t && (37 === n
                                                .charCodeAt(i) ? (t = "%",
                                                    i++) : (
                                                    t = null, 0 === o && a(
                                                        '"%"')),
                                                null === t && (42 === n
                                                    .charCodeAt(
                                                        i) ? (t = "*", i++) : (
                                                        t =
                                                        null, 0 === o && a(
                                                            '"*"')),
                                                    null === t && (95 === n
                                                        .charCodeAt(i) ? (t =
                                                            "_",
                                                            i++) : (t = null,
                                                            0 ===
                                                            o && a('"_"')),
                                                        null ===
                                                        t && (43 === n
                                                            .charCodeAt(
                                                                i) ? (t = "+",
                                                                i++) : (
                                                                t = null, 0 ===
                                                                o &&
                                                                a('"+"')),
                                                            null ===
                                                            t && (96 === n
                                                                .charCodeAt(i) ?
                                                                (
                                                                    t = "`", i++
                                                                ) :
                                                                (t = null, 0 ===
                                                                    o && a(
                                                                        '"`"')),
                                                                null === t && (
                                                                    39 === n
                                                                    .charCodeAt(
                                                                        i) ?
                                                                    (t = "'",
                                                                        i++) :
                                                                    (t = null,
                                                                        0 ===
                                                                        o && a(
                                                                            '"\'"'
                                                                        )
                                                                    ), null ===
                                                                    t && (
                                                                        126 ===
                                                                        n
                                                                        .charCodeAt(
                                                                            i) ?
                                                                        (
                                                                            t =
                                                                            "~",
                                                                            i++
                                                                        ) :
                                                                        (
                                                                            t =
                                                                            null,
                                                                            0 ===
                                                                            o &&
                                                                            a(
                                                                                '"~"'
                                                                            )),
                                                                        null ===
                                                                        t && (
                                                                            40 ===
                                                                            n
                                                                            .charCodeAt(
                                                                                i
                                                                            ) ?
                                                                            (t = "(",
                                                                                i++
                                                                            ) :
                                                                            (t = null,
                                                                                0 ===
                                                                                o &&
                                                                                a(
                                                                                    '"("'
                                                                                )
                                                                            ),
                                                                            null ===
                                                                            t &&
                                                                            (
                                                                                41 ===
                                                                                n
                                                                                .charCodeAt(
                                                                                    i
                                                                                ) ?
                                                                                (t = ")",
                                                                                    i++
                                                                                ) :
                                                                                (t = null,
                                                                                    0 ===
                                                                                    o &&
                                                                                    a(
                                                                                        '")"'
                                                                                    )
                                                                                ),
                                                                                null ===
                                                                                t &&
                                                                                (60 ===
                                                                                    n
                                                                                    .charCodeAt(
                                                                                        i
                                                                                    ) ?
                                                                                    (t = "<",
                                                                                        i++
                                                                                    ) :
                                                                                    (t = null,
                                                                                        0 ===
                                                                                        o &&
                                                                                        a(
                                                                                            '"<"'
                                                                                        )
                                                                                    ),
                                                                                    null ===
                                                                                    t &&
                                                                                    (62 ===
                                                                                        n
                                                                                        .charCodeAt(
                                                                                            i
                                                                                        ) ?
                                                                                        (t = ">",
                                                                                            i++
                                                                                        ) :
                                                                                        (t = null,
                                                                                            0 ===
                                                                                            o &&
                                                                                            a(
                                                                                                '">"'
                                                                                            )
                                                                                        ),
                                                                                        null ===
                                                                                        t &&
                                                                                        (58 ===
                                                                                            n
                                                                                            .charCodeAt(
                                                                                                i
                                                                                            ) ?
                                                                                            (t = ":",
                                                                                                i++
                                                                                            ) :
                                                                                            (t = null,
                                                                                                0 ===
                                                                                                o &&
                                                                                                a(
                                                                                                    '":"'
                                                                                                )
                                                                                            ),
                                                                                            null ===
                                                                                            t &&
                                                                                            (92 ===
                                                                                                n
                                                                                                .charCodeAt(
                                                                                                    i
                                                                                                ) ?
                                                                                                (t = "\\",
                                                                                                    i++
                                                                                                ) :
                                                                                                (t = null,
                                                                                                    0 ===
                                                                                                    o &&
                                                                                                    a(
                                                                                                        '"\\\\"'
                                                                                                    )
                                                                                                ),
                                                                                                null ===
                                                                                                t &&
                                                                                                null ===
                                                                                                (t =
                                                                                                    m()
                                                                                                ) &&
                                                                                                (47 ===
                                                                                                    n
                                                                                                    .charCodeAt(
                                                                                                        i
                                                                                                    ) ?
                                                                                                    (t = "/",
                                                                                                        i++
                                                                                                    ) :
                                                                                                    (t = null,
                                                                                                        0 ===
                                                                                                        o &&
                                                                                                        a(
                                                                                                            '"/"'
                                                                                                        )
                                                                                                    ),
                                                                                                    null ===
                                                                                                    t &&
                                                                                                    (91 ===
                                                                                                        n
                                                                                                        .charCodeAt(
                                                                                                            i
                                                                                                        ) ?
                                                                                                        (t = "[",
                                                                                                            i++
                                                                                                        ) :
                                                                                                        (t = null,
                                                                                                            0 ===
                                                                                                            o &&
                                                                                                            a(
                                                                                                                '"["'
                                                                                                            )
                                                                                                        ),
                                                                                                        null ===
                                                                                                        t &&
                                                                                                        (93 ===
                                                                                                            n
                                                                                                            .charCodeAt(
                                                                                                                i
                                                                                                            ) ?
                                                                                                            (t = "]",
                                                                                                                i++
                                                                                                            ) :
                                                                                                            (t = null,
                                                                                                                0 ===
                                                                                                                o &&
                                                                                                                a(
                                                                                                                    '"]"'
                                                                                                                )
                                                                                                            ),
                                                                                                            null ===
                                                                                                            t &&
                                                                                                            (63 ===
                                                                                                                n
                                                                                                                .charCodeAt(
                                                                                                                    i
                                                                                                                ) ?
                                                                                                                (t = "?",
                                                                                                                    i++
                                                                                                                ) :
                                                                                                                (t = null,
                                                                                                                    0 ===
                                                                                                                    o &&
                                                                                                                    a(
                                                                                                                        '"?"'
                                                                                                                    )
                                                                                                                ),
                                                                                                                null ===
                                                                                                                t &&
                                                                                                                (123 ===
                                                                                                                    n
                                                                                                                    .charCodeAt(
                                                                                                                        i
                                                                                                                    ) ?
                                                                                                                    (t = "{",
                                                                                                                        i++
                                                                                                                    ) :
                                                                                                                    (t = null,
                                                                                                                        0 ===
                                                                                                                        o &&
                                                                                                                        a(
                                                                                                                            '"{"'
                                                                                                                        )
                                                                                                                    ),
                                                                                                                    null ===
                                                                                                                    t &&
                                                                                                                    (125 ===
                                                                                                                        n
                                                                                                                        .charCodeAt(
                                                                                                                            i
                                                                                                                        ) ?
                                                                                                                        (t = "}",
                                                                                                                            i++
                                                                                                                        ) :
                                                                                                                        (t = null,
                                                                                                                            0 ===
                                                                                                                            o &&
                                                                                                                            a(
                                                                                                                                '"}"'
                                                                                                                            )
                                                                                                                        )
                                                                                                                    )
                                                                                                                )
                                                                                                            )
                                                                                                        )
                                                                                                    )
                                                                                                )
                                                                                            )
                                                                                        )
                                                                                    )
                                                                                )
                                                                            ))))
                                                            ))))))));
                                else e = null;
                                return null !== e && (s = r, e = n.substring(i, s)),
                                    null === e && (i = r), e
                            }

                            function x() {
                                var e, t, r, s, l;
                                return s = i, l = i, null !== (e = A()) ? (42 === n
                                        .charCodeAt(i) ? (t = "*", i++) : (t = null,
                                            0 ===
                                            o && a('"*"')), null !== t && null !== (r =
                                            A()) ? e = [e, t, r] : (e = null, i = l)) :
                                    (e = null,
                                        i = l), null !== e && (e = "*"), null === e && (
                                        i =
                                        s), e
                            }

                            function P() {
                                var e, t, r, s, l;
                                return s = i, l = i, null !== (e = A()) ? (47 === n
                                        .charCodeAt(i) ? (t = "/", i++) : (t = null,
                                            0 ===
                                            o && a('"/"')), null !== t && null !== (r =
                                            A()) ? e = [e, t, r] : (e = null, i = l)) :
                                    (e = null,
                                        i = l), null !== e && (e = "/"), null === e && (
                                        i =
                                        s), e
                            }

                            function M() {
                                var e, t, r, s, l;
                                return s = i, l = i, null !== (e = A()) ? (61 === n
                                        .charCodeAt(i) ? (t = "=", i++) : (t = null,
                                            0 ===
                                            o && a('"="')), null !== t && null !== (r =
                                            A()) ? e = [e, t, r] : (e = null, i = l)) :
                                    (e = null,
                                        i = l), null !== e && (e = "="), null === e && (
                                        i =
                                        s), e
                            }

                            function q() {
                                var e, t, r, s, l;
                                return s = i, l = i, null !== (e = A()) ? (40 === n
                                        .charCodeAt(i) ? (t = "(", i++) : (t = null,
                                            0 ===
                                            o && a('"("')), null !== t && null !== (r =
                                            A()) ? e = [e, t, r] : (e = null, i = l)) :
                                    (e = null,
                                        i = l), null !== e && (e = "("), null === e && (
                                        i =
                                        s), e
                            }

                            function L() {
                                var e, t, r, s, l;
                                return s = i, l = i, null !== (e = A()) ? (41 === n
                                        .charCodeAt(i) ? (t = ")", i++) : (t = null,
                                            0 ===
                                            o && a('")"')), null !== t && null !== (r =
                                            A()) ? e = [e, t, r] : (e = null, i = l)) :
                                    (e = null,
                                        i = l), null !== e && (e = ")"), null === e && (
                                        i =
                                        s), e
                            }

                            function H() {
                                var e, t, r, s;
                                return r = i, s = i, 62 === n.charCodeAt(i) ? (e = ">",
                                        i++) : (e = null, 0 === o && a('">"')), null !==
                                    e &&
                                    null !== (t = A()) ? e = [e, t] : (e = null, i = s),
                                    null !== e && (e = ">"), null === e && (i = r), e
                            }

                            function F() {
                                var e, t, r, s;
                                return r = i, s = i, null !== (e = A()) ? (60 === n
                                        .charCodeAt(i) ? (t = "<", i++) : (t = null,
                                            0 ===
                                            o && a('"<"')), null !== t ? e = [e, t] : (
                                            e =
                                            null, i = s)) : (e = null, i = s), null !==
                                    e &&
                                    (e = "<"), null === e && (i = r), e
                            }

                            function j() {
                                var e, t, r, s, l;
                                return s = i, l = i, null !== (e = A()) ? (44 === n
                                        .charCodeAt(i) ? (t = ",", i++) : (t = null,
                                            0 ===
                                            o && a('","')), null !== t && null !== (r =
                                            A()) ? e = [e, t, r] : (e = null, i = l)) :
                                    (e = null,
                                        i = l), null !== e && (e = ","), null === e && (
                                        i =
                                        s), e
                            }

                            function G() {
                                var e, t, r, s, l;
                                return s = i, l = i, null !== (e = A()) ? (59 === n
                                        .charCodeAt(i) ? (t = ";", i++) : (t = null,
                                            0 ===
                                            o && a('";"')), null !== t && null !== (r =
                                            A()) ? e = [e, t, r] : (e = null, i = l)) :
                                    (e = null,
                                        i = l), null !== e && (e = ";"), null === e && (
                                        i =
                                        s), e
                            }

                            function W() {
                                var e, t, r, s, l;
                                return s = i, l = i, null !== (e = A()) ? (58 === n
                                        .charCodeAt(i) ? (t = ":", i++) : (t = null,
                                            0 ===
                                            o && a('":"')), null !== t && null !== (r =
                                            A()) ? e = [e, t, r] : (e = null, i = l)) :
                                    (e = null,
                                        i = l), null !== e && (e = ":"), null === e && (
                                        i =
                                        s), e
                            }

                            function V() {
                                var e, t, n, r;
                                return n = i, r = i, null !== (e = A()) && null !== (t =
                                        m()) ? e = [e, t] : (e = null, i = r), null !==
                                    e && (
                                        e = '"'), null === e && (i = n), e
                            }

                            function B() {
                                var e, t, n, r;
                                return n = i, r = i, null !== (e = m()) && null !== (t =
                                        A()) ? e = [e, t] : (e = null, i = r), null !==
                                    e && (
                                        e = '"'), null === e && (i = n), e
                            }

                            function K() {
                                var e;
                                return /^[!-']/.test(n.charAt(i)) ? (e = n.charAt(i),
                                        i++) :
                                    (e = null, 0 === o && a("[!-']")), null === e && (
                                        /^[*-[]/.test(n.charAt(i)) ? (e = n.charAt(i),
                                            i++) : (e = null, 0 === o && a("[*-[]")),
                                        null ===
                                        e && (/^[\]-~]/.test(n.charAt(i)) ? (e = n
                                            .charAt(
                                                i), i++) : (e = null, 0 === o && a(
                                            "[\\]-~]")), null === e && null === (e =
                                            O()) && (e = E()))), e
                            }

                            function z() {
                                var e, t, r, s, o, l, u;
                                if (o = i, l = i, null !== (e = A()))
                                    if (null !== (t = m())) {
                                        for (r = [], null === (s = $()) && (s =
                                                X()); null !== s;) r.push(s), null === (
                                                s = $()) &&
                                            (s = X());
                                        null !== r && null !== (s = m()) ? e = [e, t, r,
                                            s
                                        ] : (e = null, i = l)
                                    } else e = null, i = l;
                                else e = null, i = l;
                                return null !== e && (u = o, e = n.substring(i, u)),
                                    null === e && (i = o), e
                            }

                            function Y() {
                                var e, t, r, s, o, l, u, a;
                                if (o = i, l = i, null !== (e = A()))
                                    if (null !== (t = m())) {
                                        for (r = [], null === (s = $()) && (s =
                                                X()); null !== s;) r.push(s), null === (
                                                s = $()) &&
                                            (s = X());
                                        null !== r && null !== (s = m()) ? e = [e, t, r,
                                            s
                                        ] : (e = null, i = l)
                                    } else e = null, i = l;
                                else e = null, i = l;
                                return null !== e && (u = o, e = (a = n.substring(i, u)
                                        .trim()).substring(1, a.length - 1).replace(
                                        /\\([\x00-\x09\x0b-\x0c\x0e-\x7f])/g, "$1")),
                                    null === e && (i = o), e
                            }

                            function $() {
                                var e;
                                return null === (e = E()) && (33 === n.charCodeAt(i) ? (
                                        e =
                                        "!", i++) : (e = null, 0 === o && a('"!"')),
                                    null === e && (/^[#-[]/.test(n.charAt(i)) ? (e =
                                        n
                                        .charAt(i), i++) : (e = null, 0 === o &&
                                        a(
                                            "[#-[]")), null === e && (/^[\]-~]/
                                        .test(n
                                            .charAt(i)) ? (e = n.charAt(i),
                                            i++) : (
                                            e = null, 0 === o && a("[\\]-~]")),
                                        null === e && (e = O())))), e
                            }

                            function X() {
                                var e, t, r;
                                return r = i, 92 === n.charCodeAt(i) ? (e = "\\", i++) :
                                    (
                                        e = null, 0 === o && a('"\\\\"')), null !== e ?
                                    (
                                        /^[\0-\t]/.test(n.charAt(i)) ? (t = n.charAt(i),
                                            i++) : (t = null, 0 === o && a(
                                            "[\\0-\\t]")),
                                        null === t && (/^[\x0B-\f]/.test(n.charAt(i)) ?
                                            (t =
                                                n.charAt(i), i++) : (t = null, 0 ===
                                                o && a(
                                                    "[\\x0B-\\f]")), null === t && (
                                                /^[\x0E]/
                                                .test(n.charAt(i)) ? (t = n.charAt(i),
                                                    i++) : (t = null, 0 === o && a(
                                                    "[\\x0E]"))
                                            )), null !== t ? e = [e, t] : (e = null, i =
                                            r)
                                    ) : (e = null, i = r), e
                            }

                            function J() {
                                var e, t, r, s, l, u;
                                return l = i, u = i, null !== (e = Z()) ? (58 === n
                                        .charCodeAt(i) ? (t = ":", i++) : (t = null,
                                            0 ===
                                            o && a('":"')), null !== t && null !== (r =
                                            null !== (r = ne()) ? r : "") && null !== (
                                            s =
                                            oe()) ? e = [e, t, r, s] : (e = null, i = u)
                                    ) :
                                    (e = null, i = u), null !== e && (e = function(e) {
                                        try {
                                            jn.uri = new Hn(jn.scheme, jn.user, jn
                                                    .host,
                                                    jn.port), delete jn.scheme,
                                                delete jn.user, delete jn.host,
                                                delete jn.host_type, delete jn.port
                                        } catch (e) {
                                            jn = -1
                                        }
                                    }()), null === e && (i = l), e
                            }

                            function Q() {
                                var e, t, s, l, u, c, h, d;
                                return h = i, d = i, null !== (e = Z()) ? (58 === n
                                        .charCodeAt(i) ? (t = ":", i++) : (t = null,
                                            0 ===
                                            o && a('":"')), null !== t && null !== (s =
                                            null !== (s = ne()) ? s : "") && null !== (
                                            l =
                                            oe()) && null !== (u = ge()) && null !== (
                                            c =
                                            null !== (c = Ne()) ? c : "") ? e = [e, t,
                                            s, l,
                                            u, c
                                        ] : (e = null, i = d)) : (e = null, i = d),
                                    null !==
                                    e && (e = function(e) {
                                        try {
                                            jn.uri = new Hn(jn.scheme, jn.user, jn
                                                    .host,
                                                    jn.port, jn.uri_params, jn
                                                    .uri_headers), delete jn.scheme,
                                                delete jn.user, delete jn.host,
                                                delete jn.host_type, delete jn.port,
                                                delete jn.uri_params, "SIP_URI" ===
                                                r &&
                                                (jn = jn.uri)
                                        } catch (e) {
                                            jn = -1
                                        }
                                    }()), null === e && (i = h), e
                            }

                            function Z() {
                                var e;
                                return null === (e = ee()) && (e = te()), e
                            }

                            function ee() {
                                var e, t, r;
                                return t = i, "sips" === n.substr(i, 4).toLowerCase() ?
                                    (e =
                                        n.substr(i, 4), i += 4) : (e = null, 0 === o &&
                                        a(
                                            '"sips"')), null !== e && (r = e, e = void(
                                        jn
                                        .scheme = r.toLowerCase())), null === e && (i =
                                        t),
                                    e
                            }

                            function te() {
                                var e, t, r;
                                return t = i, "sip" === n.substr(i, 3).toLowerCase() ? (
                                        e =
                                        n.substr(i, 3), i += 3) : (e = null, 0 === o &&
                                        a(
                                            '"sip"')), null !== e && (r = e, e = void(jn
                                        .scheme = r.toLowerCase())), null === e && (i =
                                        t),
                                    e
                            }

                            function ne() {
                                var e, t, r, s, l, u, c;
                                return s = i, l = i, null !== (e = re()) ? (u = i,
                                        58 === n
                                        .charCodeAt(i) ? (t = ":", i++) : (t = null,
                                            0 ===
                                            o && a('":"')), null !== t && null !== (r =
                                            ie()) ? t = [t, r] : (t = null, i = u),
                                        null !== (
                                            t = null !== t ? t : "") ? (64 === n
                                            .charCodeAt(
                                                i) ? (r = "@", i++) : (r = null, 0 ===
                                                o &&
                                                a('"@"')), null !== r ? e = [e, t, r] :
                                            (e =
                                                null, i = l)) : (e = null, i = l)) : (
                                        e = null,
                                        i = l), null !== e && (c = s, e = void(jn.user =
                                        decodeURIComponent(n.substring(i - 1, c)))),
                                    null === e && (i = s), e
                            }

                            function re() {
                                var e, t;
                                if (null === (t = C()) && null === (t = S()) && (t =
                                        se()),
                                    null !== t)
                                    for (e = []; null !== t;) e.push(t), null === (t =
                                        C()) && null === (t = S()) && (t = se());
                                else e = null;
                                return e
                            }

                            function se() {
                                var e;
                                return 38 === n.charCodeAt(i) ? (e = "&", i++) : (e =
                                    null,
                                    0 === o && a('"&"')), null === e && (61 === n
                                    .charCodeAt(i) ? (e = "=", i++) : (e = null,
                                        0 ===
                                        o && a('"="')), null === e && (43 === n
                                        .charCodeAt(i) ? (e = "+", i++) : (e = null,
                                            0 === o && a('"+"')), null === e && (
                                            36 ===
                                            n.charCodeAt(i) ? (e = "$", i++) : (e =
                                                null, 0 === o && a('"$"')), null ===
                                            e && (44 === n.charCodeAt(i) ? (e = ",",
                                                i++) : (e = null, 0 === o && a(
                                                '","')), null === e && (59 === n
                                                .charCodeAt(i) ? (e = ";",
                                                    i++) : (
                                                    e = null, 0 === o && a(
                                                        '";"')),
                                                null === e && (63 === n
                                                    .charCodeAt(
                                                        i) ? (e = "?", i++) : (
                                                        e =
                                                        null, 0 === o && a(
                                                            '"?"')),
                                                    null === e && (47 === n
                                                        .charCodeAt(i) ? (e =
                                                            "/",
                                                            i++) : (e = null,
                                                            0 ===
                                                            o && a('"/"'))))))))), e
                            }

                            function ie() {
                                var e, t, r, s;
                                for (r = i, e = [], null === (t = C()) && null === (t =
                                        S()) && (38 === n.charCodeAt(i) ? (t = "&",
                                        i++) : (t =
                                        null, 0 === o && a('"&"')), null === t && (
                                        61 === n.charCodeAt(i) ? (t = "=", i++) : (
                                            t =
                                            null, 0 === o && a('"="')), null ===
                                        t && (
                                            43 === n.charCodeAt(i) ? (t = "+",
                                                i++) : (
                                                t = null, 0 === o && a('"+"')),
                                            null ===
                                            t && (36 === n.charCodeAt(i) ? (t = "$",
                                                i++) : (t = null, 0 === o && a(
                                                '"$"')), null === t && (44 === n
                                                .charCodeAt(i) ? (t = ",",
                                                    i++) : (
                                                    t = null, 0 === o && a(
                                                        '","')))))
                                    )); null !== t;) e.push(t), null === (t =
                                        C()) &&
                                    null === (t = S()) && (38 === n.charCodeAt(i) ? (t =
                                            "&", i++) : (t = null, 0 === o && a('"&"')),
                                        null === t && (61 === n.charCodeAt(i) ? (t =
                                                "=",
                                                i++) : (t = null, 0 === o && a('"="')),
                                            null === t && (43 === n.charCodeAt(i) ? (t =
                                                "+", i++) : (t = null, 0 === o && a(
                                                '"+"')), null === t && (36 === n
                                                .charCodeAt(i) ? (t = "$", i++) : (
                                                    t =
                                                    null, 0 === o && a('"$"')),
                                                null ===
                                                t && (44 === n.charCodeAt(i) ? (t =
                                                    ",",
                                                    i++) : (t = null, 0 === o &&
                                                    a(
                                                        '","')))))));
                                return null !== e && (s = r, e = void(jn.password = n
                                    .substring(i, s))), null === e && (i = r), e
                            }

                            function oe() {
                                var e, t, r, s, l;
                                return s = i, null !== (e = le()) ? (l = i, 58 === n
                                    .charCodeAt(i) ? (t = ":", i++) : (t = null,
                                        0 ===
                                        o && a('":"')), null !== t && null !== (r =
                                        ve()) ? t = [t, r] : (t = null, i = l),
                                    null !== (
                                        t = null !== t ? t : "") ? e = [e, t] : (e =
                                        null, i = s)) : (e = null, i = s), e
                            }

                            function le() {
                                var e, t, r;
                                return t = i, null === (e = ue()) && null === (e =
                                        pe()) &&
                                    (e = he()), null !== e && (r = t, jn.host = n
                                        .substring(
                                            i, r).toLowerCase(), e = jn.host), null ===
                                    e && (
                                        i = t), e
                            }

                            function ue() {
                                var e, t, r, s, l, u, c;
                                for (s = i, l = i, e = [], u = i, null !== (t = ae()) ?
                                    (
                                        46 === n.charCodeAt(i) ? (r = ".", i++) : (r =
                                            null,
                                            0 === o && a('"."')), null !== r ? t = [t,
                                            r
                                        ] :
                                        (t = null, i = u)) : (t = null, i = u); null !==
                                    t;)
                                    e.push(t), u = i, null !== (t = ae()) ? (46 === n
                                        .charCodeAt(i) ? (r = ".", i++) : (r = null,
                                            0 ===
                                            o && a('"."')), null !== r ? t = [t, r] : (
                                            t =
                                            null, i = u)) : (t = null, i = u);
                                return null !== e && null !== (t = ce()) ? (46 === n
                                        .charCodeAt(i) ? (r = ".", i++) : (r = null,
                                            0 ===
                                            o && a('"."')), null !== (r = null !== r ?
                                            r :
                                            "") ? e = [e, t, r] : (e = null, i = l)) : (
                                        e =
                                        null, i = l), null !== e && (c = s, jn
                                        .host_type =
                                        "domain", e = n.substring(i, c)), null === e &&
                                    (i =
                                        s), e
                            }

                            function ae() {
                                var e, t, r, s;
                                if (s = i, null !== (e = y())) {
                                    for (t = [], null === (r = y()) && (45 === n
                                            .charCodeAt(
                                                i) ? (r = "-", i++) : (r = null, 0 ===
                                                o &&
                                                a('"-"')), null === r && (95 === n
                                                .charCodeAt(i) ? (r = "_", i++) : (r =
                                                    null,
                                                    0 === o && a('"_"')))); null !== r;)
                                        t.push(
                                            r), null === (r = y()) && (45 === n
                                            .charCodeAt(
                                                i) ? (r = "-", i++) : (r = null, 0 ===
                                                o &&
                                                a('"-"')), null === r && (95 === n
                                                .charCodeAt(i) ? (r = "_", i++) : (r =
                                                    null,
                                                    0 === o && a('"_"'))));
                                    null !== t ? e = [e, t] : (e = null, i = s)
                                } else e = null, i = s;
                                return e
                            }

                            function ce() {
                                var e, t, r, s;
                                if (s = i, null !== (e = d())) {
                                    for (t = [], null === (r = y()) && (45 === n
                                            .charCodeAt(
                                                i) ? (r = "-", i++) : (r = null, 0 ===
                                                o &&
                                                a('"-"')), null === r && (95 === n
                                                .charCodeAt(i) ? (r = "_", i++) : (r =
                                                    null,
                                                    0 === o && a('"_"')))); null !== r;)
                                        t.push(
                                            r), null === (r = y()) && (45 === n
                                            .charCodeAt(
                                                i) ? (r = "-", i++) : (r = null, 0 ===
                                                o &&
                                                a('"-"')), null === r && (95 === n
                                                .charCodeAt(i) ? (r = "_", i++) : (r =
                                                    null,
                                                    0 === o && a('"_"'))));
                                    null !== t ? e = [e, t] : (e = null, i = s)
                                } else e = null, i = s;
                                return e
                            }

                            function he() {
                                var e, t, r, s, l, u;
                                return s = i, l = i, 91 === n.charCodeAt(i) ? (e = "[",
                                        i++) : (e = null, 0 === o && a('"["')), null !==
                                    e &&
                                    null !== (t = de()) ? (93 === n.charCodeAt(i) ? (r =
                                            "]", i++) : (r = null, 0 === o && a('"]"')),
                                        null !== r ? e = [e, t, r] : (e = null, i = l)
                                    ) : (
                                        e = null, i = l), null !== e && (u = s, jn
                                        .host_type = "IPv6", e = n.substring(i, u)),
                                    null === e && (i = s), e
                            }

                            function de() {
                                var e, t, r, s, l, u, c, h, d, f, _, p, m, v, g, y, T;
                                return v = i, g = i, null !== (e = fe()) ? (58 === n
                                        .charCodeAt(i) ? (t = ":", i++) : (t = null,
                                            0 ===
                                            o && a('":"')), null !== t && null !== (r =
                                            fe()) ? (58 === n.charCodeAt(i) ? (s = ":",
                                                i++) : (
                                                s = null, 0 === o && a('":"')), null !==
                                            s && null !== (l = fe()) ? (58 === n
                                                .charCodeAt(
                                                    i) ? (u = ":", i++) : (u = null,
                                                    0 ===
                                                    o && a('":"')), null !== u &&
                                                null !== (
                                                    c = fe()) ? (58 === n.charCodeAt(
                                                        i) ? (
                                                        h = ":", i++) : (h = null, 0 ===
                                                        o && a('":"')), null !== h &&
                                                    null !== (d = fe()) ? (58 === n
                                                        .charCodeAt(i) ? (f = ":",
                                                            i++) : (
                                                            f = null, 0 === o && a(
                                                                '":"')),
                                                        null !== f && null !== (_ =
                                                            fe()) ?
                                                        (58 === n.charCodeAt(i) ? (p =
                                                                ":",
                                                                i++) : (p = null, 0 ===
                                                                o &&
                                                                a('":"')), null !== p &&
                                                            null !== (m = _e()) ? e = [
                                                                e, t,
                                                                r, s, l, u, c, h, d, f,
                                                                _,
                                                                p, m
                                                            ] : (e = null, i = g)) : (
                                                            e =
                                                            null, i = g)) : (e = null,
                                                        i =
                                                        g)) : (e = null, i = g)) : (e =
                                                null,
                                                i = g)) : (e = null, i = g)) : (e =
                                        null,
                                        i = g), null === e && (g = i, "::" === n.substr(
                                            i,
                                            2) ? (e = "::", i += 2) : (e = null, 0 ===
                                            o &&
                                            a('"::"')), null !== e && null !== (t =
                                            fe()) ?
                                        (58 === n.charCodeAt(i) ? (r = ":", i++) : (r =
                                                null, 0 === o && a('":"')), null !==
                                            r &&
                                            null !== (s = fe()) ? (58 === n.charCodeAt(
                                                    i) ?
                                                (l = ":", i++) : (l = null, 0 === o &&
                                                    a(
                                                        '":"')), null !== l && null !==
                                                (u =
                                                    fe()) ? (58 === n.charCodeAt(i) ? (
                                                        c = ":",
                                                        i++) : (c = null, 0 === o && a(
                                                        '":"')), null !== c && null !==
                                                    (h =
                                                        fe()) ? (58 === n.charCodeAt(
                                                            i) ? (
                                                            d = ":", i++) : (d = null,
                                                            0 ===
                                                            o && a('":"')), null !==
                                                        d &&
                                                        null !== (f = fe()) ? (58 === n
                                                            .charCodeAt(i) ? (_ = ":",
                                                                i++) : (_ = null, 0 ===
                                                                o && a(
                                                                    '":"')), null !==
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                                                                e, t,
                                                                r, s, l, u, c, h, d, f,
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                                                            ] : (e = null, i = g)) : (
                                                            e =
                                                            null, i = g)) : (e = null,
                                                        i =
                                                        g)) : (e = null, i = g)) : (e =
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                                                    null,
                                                    0 === o && a('":"')), null !== r &&
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                                                        0 === o && a('":"')), null !==
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                                                                '":"')),
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                                                            fe()) ?
                                                        (58 === n.charCodeAt(i) ? (d =
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                                                                i++) : (d = null, 0 ===
                                                                o &&
                                                                a('":"')), null !== d &&
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                                                                e, t,
                                                                r, s, l, u, c, h, d, f
                                                            ] : (e = null, i = g)) : (
                                                            e =
                                                            null, i = g)) : (e = null,
                                                        i =
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                                                                '":"')),
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                                                            fe()) ?
                                                        (58 === n.charCodeAt(i) ? (c =
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                                                                i++) : (c = null, 0 ===
                                                                o &&
                                                                a('":"')), null !== c &&
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                                                                e, t,
                                                                r, s, l, u, c, h
                                                            ] : (e = null, i = g)) : (
                                                            e =
                                                            null, i = g)) : (e = null,
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                                                        g)) : (e = null, i = g),
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                                                                '":"')),
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                                                            fe()) ?
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                                                                i++) : (l = null, 0 ===
                                                                o &&
                                                                a('":"')), null !== l &&
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                                                                e, t,
                                                                r, s, l, u
                                                            ] : (e = null, i = g)) : (
                                                            e =
                                                            null, i = g)) : (e = null,
                                                        i =
                                                        g), null === e && (g = i,
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                                                        (e = null, 0 === o && a(
                                                            '"::"')),
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                                                            fe()) ?
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                                                                i++) : (r = null, 0 ===
                                                                o &&
                                                                a('":"')), null !== r &&
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                                                                e, t,
                                                                r, s
                                                            ] : (e = null, i = g)) : (
                                                            e =
                                                            null, i = g), null === e &&
                                                        (g =
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                                                            (
                                                                e = "::", i += 2) : (e =
                                                                null, 0 === o && a(
                                                                    '"::"')),
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                                                                _e()) ? e = [e, t] : (
                                                                e = null,
                                                                i = g), null === e && (
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                                                                    2) ?
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                                                                    e =
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                                                                        '"::"')),
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                                                                    fe()) ?
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                                                                    i =
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                                                                    i, null !== (e =
                                                                        fe()) ?
                                                                    ("::" === n.substr(
                                                                            i,
                                                                            2) ? (t =
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                                                                            2) : (t =
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                                                                            0 === o &&
                                                                            a(
                                                                                '"::"')
                                                                        ),
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                                                                            fe()) ? (
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                                                                            (s = ":",
                                                                                i++) :
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                                                                                0 ===
                                                                                o && a(
                                                                                    '":"'
                                                                                )),
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                                                                            null !== (
                                                                                l =
                                                                                fe()) ?
                                                                            (
                                                                                58 === n
                                                                                .charCodeAt(
                                                                                    i) ?
                                                                                (
                                                                                    u =
                                                                                    ":",
                                                                                    i++
                                                                                ) :
                                                                                (
                                                                                    u =
                                                                                    null,
                                                                                    0 ===
                                                                                    o &&
                                                                                    a(
                                                                                        '":"'
                                                                                    )),
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                                                                                null !==
                                                                                (
                                                                                    c =
                                                                                    fe()
                                                                                ) ? (
                                                                                    58 ===
                                                                                    n
                                                                                    .charCodeAt(
                                                                                        i
                                                                                    ) ?
                                                                                    (h = ":",
                                                                                        i++
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                                                                                    (h = null,
                                                                                        0 ===
                                                                                        o &&
                                                                                        a(
                                                                                            '":"'
                                                                                        )
                                                                                    ),
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                                                                                    null !==
                                                                                    (d =
                                                                                        fe()
                                                                                    ) ?
                                                                                    (58 ===
                                                                                        n
                                                                                        .charCodeAt(
                                                                                            i
                                                                                        ) ?
                                                                                        (f = ":",
                                                                                            i++
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                                                                                        (f = null,
                                                                                            0 ===
                                                                                            o &&
                                                                                            a(
                                                                                                '":"'
                                                                                            )
                                                                                        ),
                                                                                        null !==
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                                                                                        null !==
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                                                                                            e,
                                                                                            t,
                                                                                            r,
                                                                                            s,
                                                                                            l,
                                                                                            u,
                                                                                            c,
                                                                                            h,
                                                                                            d,
                                                                                            f,
                                                                                            _
                                                                                        ] :
                                                                                        (e = null,
                                                                                            i =
                                                                                            g
                                                                                        )
                                                                                    ) :
                                                                                    (e = null,
                                                                                        i =
                                                                                        g
                                                                                    )
                                                                                ) : (e =
                                                                                    null,
                                                                                    i =
                                                                                    g)
                                                                            ) : (e =
                                                                                null,
                                                                                i = g)
                                                                        ) : (e = null,
                                                                            i = g)) : (
                                                                        e =
                                                                        null, i = g),
                                                                    null === e && (g =
                                                                        i,
                                                                        null !== (e =
                                                                            fe()) ? (y =
                                                                            i, 58 === n
                                                                            .charCodeAt(
                                                                                i) ?
                                                                            (t = ":",
                                                                                i++) :
                                                                            (t = null,
                                                                                0 ===
                                                                                o && a(
                                                                                    '":"'
                                                                                )),
                                                                            null !==
                                                                            t &&
                                                                            null !== (
                                                                                r =
                                                                                fe()) ?
                                                                            t = [t, r] :
                                                                            (
                                                                                t =
                                                                                null,
                                                                                i = y),
                                                                            null !== (
                                                                                t =
                                                                                null !==
                                                                                t ?
                                                                                t : ""
                                                                            ) ? (
                                                                                "::" ===
                                                                                n
                                                                                .substr(
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                                                                                    2) ?
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                                                                                    "::",
                                                                                    i +=
                                                                                    2
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                                                                                    null,
                                                                                    0 ===
                                                                                    o &&
                                                                                    a(
                                                                                        '"::"'
                                                                                    )),
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                                                                                r &&
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                                                                                (
                                                                                    s =
                                                                                    fe()
                                                                                ) ? (
                                                                                    58 ===
                                                                                    n
                                                                                    .charCodeAt(
                                                                                        i
                                                                                    ) ?
                                                                                    (l = ":",
                                                                                        i++
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                                                                                        0 ===
                                                                                        o &&
                                                                                        a(
                                                                                            '":"'
                                                                                        )
                                                                                    ),
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                                                                                    null !==
                                                                                    (u =
                                                                                        fe()
                                                                                    ) ?
                                                                                    (58 ===
                                                                                        n
                                                                                        .charCodeAt(
                                                                                            i
                                                                                        ) ?
                                                                                        (c = ":",
                                                                                            i++
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                                                                                            0 ===
                                                                                            o &&
                                                                                            a(
                                                                                                '":"'
                                                                                            )
                                                                                        ),
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                                                                                        null !==
                                                                                        (h =
                                                                                            fe()
                                                                                        ) ?
                                                                                        (58 ===
                                                                                            n
                                                                                            .charCodeAt(
                                                                                                i
                                                                                            ) ?
                                                                                            (d = ":",
                                                                                                i++
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                                                                                            (d = null,
                                                                                                0 ===
                                                                                                o &&
                                                                                                a(
                                                                                                    '":"'
                                                                                                )
                                                                                            ),
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                                                                                                _e()
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                                                                                                t,
                                                                                                r,
                                                                                                s,
                                                                                                l,
                                                                                                u,
                                                                                                c,
                                                                                                h,
                                                                                                d,
                                                                                                f
                                                                                            ] :
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                                                                                                i =
                                                                                                g
                                                                                            )
                                                                                        ) :
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                                                                                            i =
                                                                                            g
                                                                                        )
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                                                                                        i =
                                                                                        g
                                                                                    )
                                                                                ) : (e =
                                                                                    null,
                                                                                    i =
                                                                                    g)
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                                                                                null,
                                                                                i = g)
                                                                        ) : (e = null,
                                                                            i = g),
                                                                        null ===
                                                                        e && (g = i,
                                                                            null !== (
                                                                                e =
                                                                                fe()) ?
                                                                            (y =
                                                                                i,
                                                                                58 === n
                                                                                .charCodeAt(
                                                                                    i) ?
                                                                                (
                                                                                    t =
                                                                                    ":",
                                                                                    i++
                                                                                ) :
                                                                                (
                                                                                    t =
                                                                                    null,
                                                                                    0 ===
                                                                                    o &&
                                                                                    a(
                                                                                        '":"'
                                                                                    )),
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                                                                                t &&
                                                                                null !==
                                                                                (
                                                                                    r =
                                                                                    fe()
                                                                                ) ?
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                                                                                    r
                                                                                ] :
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                                                                                    i =
                                                                                    y),
                                                                                null !==
                                                                                (
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                                                                                    t ?
                                                                                    t :
                                                                                    ""
                                                                                ) ?
                                                                                (
                                                                                    y =
                                                                                    i,
                                                                                    58 ===
                                                                                    n
                                                                                    .charCodeAt(
                                                                                        i
                                                                                    ) ?
                                                                                    (r = ":",
                                                                                        i++
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                                                                                    (r = null,
                                                                                        0 ===
                                                                                        o &&
                                                                                        a(
                                                                                            '":"'
                                                                                        )
                                                                                    ),
                                                                                    null !==
                                                                                    r &&
                                                                                    null !==
                                                                                    (s =
                                                                                        fe()
                                                                                    ) ?
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                                                                                        s
                                                                                    ] :
                                                                                    (r =
                                                                                        null,
                                                                                        i =
                                                                                        y
                                                                                    ),
                                                                                    null !==
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                                                                                        r ?
                                                                                        r :
                                                                                        ""
                                                                                    ) ?
                                                                                    ("::" ===
                                                                                        n
                                                                                        .substr(
                                                                                            i,
                                                                                            2
                                                                                        ) ?
                                                                                        (s = "::",
                                                                                            i +=
                                                                                            2
                                                                                        ) :
                                                                                        (s = null,
                                                                                            0 ===
                                                                                            o &&
                                                                                            a(
                                                                                                '"::"'
                                                                                            )
                                                                                        ),
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                                                                                        s &&
                                                                                        null !==
                                                                                        (l =
                                                                                            fe()
                                                                                        ) ?
                                                                                        (58 ===
                                                                                            n
                                                                                            .charCodeAt(
                                                                                                i
                                                                                            ) ?
                                                                                            (u = ":",
                                                                                                i++
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                                                                                            (u = null,
                                                                                                0 ===
                                                                                                o &&
                                                                                                a(
                                                                                                    '":"'
                                                                                                )
                                                                                            ),
                                                                                            null !==
                                                                                            u &&
                                                                                            null !==
                                                                                            (c =
                                                                                                fe()
                                                                                            ) ?
                                                                                            (58 ===
                                                                                                n
                                                                                                .charCodeAt(
                                                                                                    i
                                                                                                ) ?
                                                                                                (h = ":",
                                                                                                    i++
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                                                                                                (h = null,
                                                                                                    0 ===
                                                                                                    o &&
                                                                                                    a(
                                                                                                        '":"'
                                                                                                    )
                                                                                                ),
                                                                                                null !==
                                                                                                h &&
                                                                                                null !==
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                                                                                                    t,
                                                                                                    r,
                                                                                                    s,
                                                                                                    l,
                                                                                                    u,
                                                                                                    c,
                                                                                                    h,
                                                                                                    d
                                                                                                ] :
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                                                                                                    g
                                                                                                )
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                                                                                                g
                                                                                            )
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                                                                                            i =
                                                                                            g
                                                                                        )
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                                                                                        g
                                                                                    )
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                                                                                    null,
                                                                                    i =
                                                                                    g)
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                                                                                null,
                                                                                i = g
                                                                            ), null ===
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                                                                                    e =
                                                                                    fe()
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                                                                                    58 ===
                                                                                    n
                                                                                    .charCodeAt(
                                                                                        i
                                                                                    ) ?
                                                                                    (t = ":",
                                                                                        i++
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                                                                                    (t = null,
                                                                                        0 ===
                                                                                        o &&
                                                                                        a(
                                                                                            '":"'
                                                                                        )
                                                                                    ),
                                                                                    null !==
                                                                                    t &&
                                                                                    null !==
                                                                                    (r =
                                                                                        fe()
                                                                                    ) ?
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                                                                                        t,
                                                                                        r
                                                                                    ] :
                                                                                    (t =
                                                                                        null,
                                                                                        i =
                                                                                        y
                                                                                    ),
                                                                                    null !==
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                                                                                        t ?
                                                                                        t :
                                                                                        ""
                                                                                    ) ?
                                                                                    (y = i,
                                                                                        58 ===
                                                                                        n
                                                                                        .charCodeAt(
                                                                                            i
                                                                                        ) ?
                                                                                        (r = ":",
                                                                                            i++
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                                                                                        (r = null,
                                                                                            0 ===
                                                                                            o &&
                                                                                            a(
                                                                                                '":"'
                                                                                            )
                                                                                        ),
                                                                                        null !==
                                                                                        r &&
                                                                                        null !==
                                                                                        (s =
                                                                                            fe()
                                                                                        ) ?
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                                                                                            s
                                                                                        ] :
                                                                                        (r = null,
                                                                                            i =
                                                                                            y
                                                                                        ),
                                                                                        null !==
                                                                                        (r = null !==
                                                                                            r ?
                                                                                            r :
                                                                                            ""
                                                                                        ) ?
                                                                                        (y = i,
                                                                                            58 ===
                                                                                            n
                                                                                            .charCodeAt(
                                                                                                i
                                                                                            ) ?
                                                                                            (s = ":",
                                                                                                i++
                                                                                            ) :
                                                                                            (s = null,
                                                                                                0 ===
                                                                                                o &&
                                                                                                a(
                                                                                                    '":"'
                                                                                                )
                                                                                            ),
                                                                                            null !==
                                                                                            s &&
                                                                                            null !==
                                                                                            (l =
                                                                                                fe()
                                                                                            ) ?
                                                                                            s = [
                                                                                                s,
                                                                                                l
                                                                                            ] :
                                                                                            (s = null,
                                                                                                i =
                                                                                                y
                                                                                            ),
                                                                                            null !==
                                                                                            (s = null !==
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                                                                                                s :
                                                                                                ""
                                                                                            ) ?
                                                                                            ("::" ===
                                                                                                n
                                                                                                .substr(
                                                                                                    i,
                                                                                                    2
                                                                                                ) ?
                                                                                                (l = "::",
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                                                                                                    2
                                                                                                ) :
                                                                                                (l = null,
                                                                                                    0 ===
                                                                                                    o &&
                                                                                                    a(
                                                                                                        '"::"'
                                                                                                    )
                                                                                                ),
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                                                                                                l &&
                                                                                                null !==
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                                                                                                    fe()
                                                                                                ) ?
                                                                                                (58 ===
                                                                                                    n
                                                                                                    .charCodeAt(
                                                                                                        i
                                                                                                    ) ?
                                                                                                    (c = ":",
                                                                                                        i++
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                                                                                                    (c = null,
                                                                                                        0 ===
                                                                                                        o &&
                                                                                                        a(
                                                                                                            '":"'
                                                                                                        )
                                                                                                    ),
                                                                                                    null !==
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                                                                                                    null !==
                                                                                                    (h =
                                                                                                        _e()
                                                                                                    ) ?
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                                                                                                        t,
                                                                                                        r,
                                                                                                        s,
                                                                                                        l,
                                                                                                        u,
                                                                                                        c,
                                                                                                        h
                                                                                                    ] :
                                                                                                    (e = null,
                                                                                                        i =
                                                                                                        g
                                                                                                    )
                                                                                                ) :
                                                                                                (e = null,
                                                                                                    i =
                                                                                                    g
                                                                                                )
                                                                                            ) :
                                                                                            (e = null,
                                                                                                i =
                                                                                                g
                                                                                            )
                                                                                        ) :
                                                                                        (e = null,
                                                                                            i =
                                                                                            g
                                                                                        )
                                                                                    ) :
                                                                                    (e = null,
                                                                                        i =
                                                                                        g
                                                                                    )
                                                                                ) : (e =
                                                                                    null,
                                                                                    i =
                                                                                    g),
                                                                                null ===
                                                                                e && (
                                                                                    g =
                                                                                    i,
                                                                                    null !==
                                                                                    (e =
                                                                                        fe()
                                                                                    ) ?
                                                                                    (y = i,
                                                                                        58 ===
                                                                                        n
                                                                                        .charCodeAt(
                                                                                            i
                                                                                        ) ?
                                                                                        (t = ":",
                                                                                            i++
                                                                                        ) :
                                                                                        (t = null,
                                                                                            0 ===
                                                                                            o &&
                                                                                            a(
                                                                                                '":"'
                                                                                            )
                                                                                        ),
                                                                                        null !==
                                                                                        t &&
                                                                                        null !==
                                                                                        (r =
                                                                                            fe()
                                                                                        ) ?
                                                                                        t = [
                                                                                            t,
                                                                                            r
                                                                                        ] :
                                                                                        (t = null,
                                                                                            i =
                                                                                            y
                                                                                        ),
                                                                                        null !==
                                                                                        (t = null !==
                                                                                            t ?
                                                                                            t :
                                                                                            ""
                                                                                        ) ?
                                                                                        (y = i,
                                                                                            58 ===
                                                                                            n
                                                                                            .charCodeAt(
                                                                                                i
                                                                                            ) ?
                                                                                            (r = ":",
                                                                                                i++
                                                                                            ) :
                                                                                            (r = null,
                                                                                                0 ===
                                                                                                o &&
                                                                                                a(
                                                                                                    '":"'
                                                                                                )
                                                                                            ),
                                                                                            null !==
                                                                                            r &&
                                                                                            null !==
                                                                                            (s =
                                                                                                fe()
                                                                                            ) ?
                                                                                            r = [
                                                                                                r,
                                                                                                s
                                                                                            ] :
                                                                                            (r = null,
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                                                s = null, 0 === o && a('"."')), null !==
                                            s && null !== (l = me()) ? (46 === n
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                                                    i) ? (u = ".", i++) : (u = null,
                                                    0 ===
                                                    o && a('"."')), null !== u &&
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                                                    c
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                                                (e = null, i = d)) : (e = null, i = d)
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                                        /^[0-5]/
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                                            t =
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                                        (
                                            /^[0-4]/.test(n.charAt(i)) ? (t = n.charAt(
                                                    i),
                                                i++) : (t = null, 0 === o && a(
                                                "[0-4]")),
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                                                t,
                                                r
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                                                '"1"')),
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                                                r = h()) ? e = [e, t, r] : (e = null,
                                                i =
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                                                    n
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                                                    i++) : (
                                                    e = null, 0 === o && a("[1-9]")),
                                                null !== e && null !== (t = h()) ? e = [
                                                    e,
                                                    t
                                                ] : (e = null, i = s), null === e && (
                                                    e = h())))), e
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                            function ve() {
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                                        e :
                                        "") && null !== (t = null !== (t = h()) ? t :
                                        "") &&
                                    null !== (n = null !== (n = h()) ? n : "") &&
                                    null !== (
                                        r = null !== (r = h()) ? r : "") && null !== (
                                        s =
                                        null !== (s = h()) ? s : "") ? e = [e, t, n, r,
                                        s
                                    ] :
                                    (e = null, i = l), null !== e && (u = e, u =
                                        parseInt(u
                                            .join("")), jn.port = u, e = u), null ===
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                                        o), e
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                                        i++) : (t = null, 0 === o && a('";"')), null !==
                                    t &&
                                    null !== (r = ye()) ? t = [t, r] : (t = null, i =
                                        s); null !== t;) e.push(t), s = i, 59 === n
                                    .charCodeAt(
                                        i) ? (t = ";", i++) : (t = null, 0 === o && a(
                                        '";"')), null !== t && null !== (r = ye()) ?
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                                        r
                                    ] : (t = null, i = s);
                                return e
                            }

                            function ye() {
                                var e;
                                return null === (e = Te()) && null === (e = Ce()) &&
                                    null === (e = be()) && null === (e = Se()) &&
                                    null === (
                                        e = Ee()) && null === (e = Ae()) && (e = Re()),
                                    e
                            }

                            function Te() {
                                var e, t, r, s, l;
                                return r = i, s = i, "transport=" === n.substr(i, 10)
                                    .toLowerCase() ? (e = n.substr(i, 10), i += 10) : (
                                        e =
                                        null, 0 === o && a('"transport="')), null !==
                                    e ? (
                                        "udp" === n.substr(i, 3).toLowerCase() ? (t = n
                                            .substr(i, 3), i += 3) : (t = null, 0 ===
                                            o &&
                                            a('"udp"')), null === t && ("tcp" === n
                                            .substr(
                                                i, 3).toLowerCase() ? (t = n.substr(i,
                                                    3),
                                                i += 3) : (t = null, 0 === o && a(
                                                '"tcp"')),
                                            null === t && ("sctp" === n.substr(i, 4)
                                                .toLowerCase() ? (t = n.substr(i, 4),
                                                    i +=
                                                    4) : (t = null, 0 === o && a(
                                                    '"sctp"')),
                                                null === t && ("tls" === n.substr(i, 3)
                                                    .toLowerCase() ? (t = n.substr(i,
                                                            3),
                                                        i += 3) : (t = null, 0 === o &&
                                                        a(
                                                            '"tls"')), null === t && (
                                                        t = N())))
                                        ), null !== t ? e = [e, t] : (e = null, i = s)
                                    ) : (e = null, i = s), null !== e && (l = e[1], jn
                                        .uri_params || (jn.uri_params = {}), e = void(jn
                                            .uri_params.transport = l.toLowerCase())),
                                    null === e && (i = r), e
                            }

                            function Ce() {
                                var e, t, r, s, l;
                                return r = i, s = i, "user=" === n.substr(i, 5)
                                    .toLowerCase() ? (e = n.substr(i, 5), i += 5) : (e =
                                        null, 0 === o && a('"user="')), null !== e ? (
                                        "phone" === n.substr(i, 5).toLowerCase() ? (t =
                                            n
                                            .substr(i, 5), i += 5) : (t = null, 0 ===
                                            o &&
                                            a('"phone"')), null === t && ("ip" === n
                                            .substr(
                                                i, 2).toLowerCase() ? (t = n.substr(i,
                                                    2),
                                                i += 2) : (t = null, 0 === o && a(
                                                '"ip"')),
                                            null === t && (t = N())), null !== t ? e = [
                                            e,
                                            t
                                        ] : (e = null, i = s)) : (e = null, i = s),
                                    null !== e && (l = e[1], jn.uri_params || (jn
                                        .uri_params = {}), e = void(jn.uri_params
                                        .user =
                                        l.toLowerCase())), null === e && (i = r), e
                            }

                            function be() {
                                var e, t, r, s, l;
                                return r = i, s = i, "method=" === n.substr(i, 7)
                                    .toLowerCase() ? (e = n.substr(i, 7), i += 7) : (e =
                                        null, 0 === o && a('"method="')), null !== e &&
                                    null !== (t = ct()) ? e = [e, t] : (e = null, i =
                                        s),
                                    null !== e && (l = e[1], jn.uri_params || (jn
                                        .uri_params = {}), e = void(jn.uri_params
                                        .method = l)), null === e && (i = r), e
                            }

                            function Se() {
                                var e, t, r, s, l;
                                return r = i, s = i, "ttl=" === n.substr(i, 4)
                                    .toLowerCase() ? (e = n.substr(i, 4), i += 4) : (e =
                                        null,
                                        0 === o && a('"ttl="')), null !== e && null !==
                                    (t =
                                        An()) ? e = [e, t] : (e = null, i = s), null !==
                                    e && (l = e[1], jn.params || (jn.params = {}), e =
                                        void(
                                            jn.params.ttl = l)), null === e && (i = r),
                                    e
                            }

                            function Ee() {
                                var e, t, r, s, l;
                                return r = i, s = i, "maddr=" === n.substr(i, 6)
                                    .toLowerCase() ? (e = n.substr(i, 6), i += 6) : (e =
                                        null, 0 === o && a('"maddr="')), null !== e &&
                                    null !== (t = le()) ? e = [e, t] : (e = null, i =
                                        s),
                                    null !== e && (l = e[1], jn.uri_params || (jn
                                        .uri_params = {}), e = void(jn.uri_params
                                        .maddr = l)), null === e && (i = r), e
                            }

                            function Ae() {
                                var e, t, r, s, l, u;
                                return s = i, l = i, "lr" === n.substr(i, 2)
                                    .toLowerCase() ?
                                    (e = n.substr(i, 2), i += 2) : (e = null, 0 === o &&
                                        a(
                                            '"lr"')), null !== e ? (u = i, 61 === n
                                        .charCodeAt(
                                            i) ? (t = "=", i++) : (t = null, 0 === o &&
                                            a(
                                                '"="')), null !== t && null !== (r =
                                            N()) ?
                                        t = [t, r] : (t = null, i = u), null !== (t =
                                            null !== t ? t : "") ? e = [e, t] : (e =
                                            null,
                                            i = l)) : (e = null, i = l), null !== e && (
                                        jn
                                        .uri_params || (jn.uri_params = {}), e = void(jn
                                            .uri_params.lr = void 0)), null === e && (
                                        i =
                                        s), e
                            }

                            function Re() {
                                var e, t, r, s, l, u, c, h;
                                return s = i, l = i, null !== (e = we()) ? (u = i,
                                        61 === n
                                        .charCodeAt(i) ? (t = "=", i++) : (t = null,
                                            0 ===
                                            o && a('"="')), null !== t && null !== (r =
                                            Ie()) ? t = [t, r] : (t = null, i = u),
                                        null !== (
                                            t = null !== t ? t : "") ? e = [e, t] : (e =
                                            null, i = l)) : (e = null, i = l), null !==
                                    e &&
                                    (c = e[0], h = e[1], jn.uri_params || (jn
                                            .uri_params = {}), h = void 0 === h ?
                                        void 0 :
                                        h[1], e = void(jn.uri_params[c.toLowerCase()] =
                                            h)),
                                    null === e && (i = s), e
                            }

                            function we() {
                                var e, t, n;
                                if (n = i, null !== (t = Oe()))
                                    for (e = []; null !== t;) e.push(t), t = Oe();
                                else e = null;
                                return null !== e && (e = e.join("")), null === e && (
                                    i =
                                    n), e
                            }

                            function Ie() {
                                var e, t, n;
                                if (n = i, null !== (t = Oe()))
                                    for (e = []; null !== t;) e.push(t), t = Oe();
                                else e = null;
                                return null !== e && (e = e.join("")), null === e && (
                                    i =
                                    n), e
                            }

                            function Oe() {
                                var e;
                                return null === (e = ke()) && null === (e = C()) && (e =
                                    S()), e
                            }

                            function ke() {
                                var e;
                                return 91 === n.charCodeAt(i) ? (e = "[", i++) : (e =
                                    null,
                                    0 === o && a('"["')), null === e && (93 === n
                                    .charCodeAt(i) ? (e = "]", i++) : (e = null,
                                        0 ===
                                        o && a('"]"')), null === e && (47 === n
                                        .charCodeAt(i) ? (e = "/", i++) : (e = null,
                                            0 === o && a('"/"')), null === e && (
                                            58 ===
                                            n.charCodeAt(i) ? (e = ":", i++) : (e =
                                                null, 0 === o && a('":"')), null ===
                                            e && (38 === n.charCodeAt(i) ? (e = "&",
                                                i++) : (e = null, 0 === o && a(
                                                '"&"')), null === e && (43 === n
                                                .charCodeAt(i) ? (e = "+",
                                                    i++) : (
                                                    e = null, 0 === o && a(
                                                        '"+"')),
                                                null === e && (36 === n
                                                    .charCodeAt(
                                                        i) ? (e = "$", i++) : (
                                                        e =
                                                        null, 0 === o && a(
                                                            '"$"')))))))), e
                            }

                            function Ne() {
                                var e, t, r, s, l, u, c;
                                if (u = i, 63 === n.charCodeAt(i) ? (e = "?", i++) : (
                                        e =
                                        null, 0 === o && a('"?"')), null !== e)
                                    if (null !== (t = Ue())) {
                                        for (r = [], c = i, 38 === n.charCodeAt(i) ? (
                                                s =
                                                "&", i++) : (s = null, 0 === o && a(
                                                '"&"')),
                                            null !== s && null !== (l = Ue()) ? s = [s,
                                                l
                                            ] :
                                            (s = null, i = c); null !== s;) r.push(s),
                                            c =
                                            i, 38 === n.charCodeAt(i) ? (s = "&", i++) :
                                            (
                                                s = null, 0 === o && a('"&"')), null !==
                                            s && null !== (l = Ue()) ? s = [s, l] : (s =
                                                null, i = c);
                                        null !== r ? e = [e, t, r] : (e = null, i = u)
                                    } else e = null, i = u;
                                else e = null, i = u;
                                return e
                            }

                            function Ue() {
                                var e, t, r, s, l, u, c;
                                return s = i, l = i, null !== (e = De()) ? (61 === n
                                        .charCodeAt(i) ? (t = "=", i++) : (t = null,
                                            0 ===
                                            o && a('"="')), null !== t && null !== (r =
                                            xe()) ? e = [e, t, r] : (e = null, i = l)) :
                                    (e =
                                        null, i = l), null !== e && (u = e[0], c = e[2],
                                        u =
                                        u.join("").toLowerCase(), c = c.join(""), jn
                                        .uri_headers || (jn.uri_headers = {}), e = void(
                                            jn
                                            .uri_headers[u] ? jn.uri_headers[u].push(
                                                c) : jn
                                            .uri_headers[u] = [c])), null === e && (i =
                                        s),
                                    e
                            }

                            function De() {
                                var e, t;
                                if (null === (t = Pe()) && null === (t = C()) && (t =
                                        S()),
                                    null !== t)
                                    for (e = []; null !== t;) e.push(t), null === (t =
                                        Pe()) && null === (t = C()) && (t = S());
                                else e = null;
                                return e
                            }

                            function xe() {
                                var e, t;
                                for (e = [], null === (t = Pe()) && null === (t =
                                        C()) && (
                                        t = S()); null !== t;) e.push(t), null === (t =
                                    Pe()) && null === (t = C()) && (t = S());
                                return e
                            }

                            function Pe() {
                                var e;
                                return 91 === n.charCodeAt(i) ? (e = "[", i++) : (e =
                                    null,
                                    0 === o && a('"["')), null === e && (93 === n
                                    .charCodeAt(i) ? (e = "]", i++) : (e = null,
                                        0 ===
                                        o && a('"]"')), null === e && (47 === n
                                        .charCodeAt(i) ? (e = "/", i++) : (e = null,
                                            0 === o && a('"/"')), null === e && (
                                            63 ===
                                            n.charCodeAt(i) ? (e = "?", i++) : (e =
                                                null, 0 === o && a('"?"')), null ===
                                            e && (58 === n.charCodeAt(i) ? (e = ":",
                                                i++) : (e = null, 0 === o && a(
                                                '":"')), null === e && (43 === n
                                                .charCodeAt(i) ? (e = "+",
                                                    i++) : (
                                                    e = null, 0 === o && a(
                                                        '"+"')),
                                                null === e && (36 === n
                                                    .charCodeAt(
                                                        i) ? (e = "$", i++) : (
                                                        e =
                                                        null, 0 === o && a(
                                                            '"$"')))))))), e
                            }

                            function Me() {
                                var e, t, n, r, s, o;
                                return o = i, null !== (e = ct()) && null !== (t =
                                        v()) &&
                                    null !== (n = qe()) && null !== (r = v()) &&
                                    null !== (
                                        s = et()) ? e = [e, t, n, r, s] : (e = null, i =
                                        o),
                                    e
                            }

                            function qe() {
                                var e;
                                return null === (e = Q()) && (e = Le()), e
                            }

                            function Le() {
                                var e, t, r, s;
                                return s = i, null !== (e = $e()) ? (58 === n
                                    .charCodeAt(
                                        i) ? (t = ":", i++) : (t = null, 0 === o &&
                                        a(
                                            '":"')), null !== t ? (null === (r =
                                            He()) && (
                                            r = Ge()), null !== r ? e = [e, t, r] :
                                        (e =
                                            null, i = s)) : (e = null, i = s)) : (
                                    e = null,
                                    i = s), e
                            }

                            function He() {
                                var e, t, r, s, l;
                                return s = i, null === (e = Fe()) && (e = je()),
                                    null !==
                                    e ? (l = i, 63 === n.charCodeAt(i) ? (t = "?",
                                            i++) : (
                                            t = null, 0 === o && a('"?"')), null !==
                                        t &&
                                        null !== (r = Ze()) ? t = [t, r] : (t = null,
                                            i =
                                            l), null !== (t = null !== t ? t : "") ?
                                        e = [e,
                                            t
                                        ] : (e = null, i = s)) : (e = null, i = s), e
                            }

                            function Fe() {
                                var e, t, r, s;
                                return s = i, "//" === n.substr(i, 2) ? (e = "//", i +=
                                        2) :
                                    (e = null, 0 === o && a('"//"')), null !== e &&
                                    null !==
                                    (t = Xe()) && null !== (r = null !== (r = je()) ?
                                        r :
                                        "") ? e = [e, t, r] : (e = null, i = s), e
                            }

                            function je() {
                                var e, t, r;
                                return r = i, 47 === n.charCodeAt(i) ? (e = "/", i++) :
                                    (e =
                                        null, 0 === o && a('"/"')), null !== e &&
                                    null !== (
                                        t = Be()) ? e = [e, t] : (e = null, i = r), e
                            }

                            function Ge() {
                                var e, t, n, r;
                                if (r = i, null !== (e = Ve())) {
                                    for (t = [], n = We(); null !== n;) t.push(n), n =
                                        We();
                                    null !== t ? e = [e, t] : (e = null, i = r)
                                } else e = null, i = r;
                                return e
                            }

                            function We() {
                                var e;
                                return null === (e = T()) && null === (e = C()) && (e =
                                    S()), e
                            }

                            function Ve() {
                                var e;
                                return null === (e = C()) && null === (e = S()) && (
                                    59 === n
                                    .charCodeAt(i) ? (e = ";", i++) : (e = null,
                                        0 ===
                                        o && a('";"')), null === e && (63 === n
                                        .charCodeAt(i) ? (e = "?", i++) : (e = null,
                                            0 === o && a('"?"')), null === e && (
                                            58 ===
                                            n.charCodeAt(i) ? (e = ":", i++) : (e =
                                                null, 0 === o && a('":"')), null ===
                                            e && (64 === n.charCodeAt(i) ? (e = "@",
                                                i++) : (e = null, 0 === o && a(
                                                '"@"')), null === e && (38 === n
                                                .charCodeAt(i) ? (e = "&",
                                                    i++) : (
                                                    e = null, 0 === o && a(
                                                        '"&"')),
                                                null === e && (61 === n
                                                    .charCodeAt(
                                                        i) ? (e = "=", i++) : (
                                                        e =
                                                        null, 0 === o && a(
                                                            '"="')),
                                                    null === e && (43 === n
                                                        .charCodeAt(i) ? (e =
                                                            "+",
                                                            i++) : (e = null,
                                                            0 ===
                                                            o && a('"+"')),
                                                        null ===
                                                        e && (36 === n
                                                            .charCodeAt(
                                                                i) ? (e = "$",
                                                                i++) : (
                                                                e = null, 0 ===
                                                                o &&
                                                                a('"$"')),
                                                            null ===
                                                            e && (44 === n
                                                                .charCodeAt(i) ?
                                                                (
                                                                    e = ",", i++
                                                                ) :
                                                                (e = null, 0 ===
                                                                    o && a(
                                                                        '","')))
                                                        )
                                                    ))))))), e
                            }

                            function Be() {
                                var e, t, r, s, l, u;
                                if (l = i, null !== (e = Ke())) {
                                    for (t = [], u = i, 47 === n.charCodeAt(i) ? (r =
                                            "/",
                                            i++) : (r = null, 0 === o && a('"/"')),
                                        null !==
                                        r && null !== (s = Ke()) ? r = [r, s] : (r =
                                            null,
                                            i = u); null !== r;) t.push(r), u = i,
                                        47 === n
                                        .charCodeAt(i) ? (r = "/", i++) : (r = null,
                                            0 ===
                                            o && a('"/"')), null !== r && null !== (s =
                                            Ke()) ? r = [r, s] : (r = null, i = u);
                                    null !== t ? e = [e, t] : (e = null, i = l)
                                } else e = null, i = l;
                                return e
                            }

                            function Ke() {
                                var e, t, r, s, l, u;
                                for (l = i, e = [], t = Ye(); null !== t;) e.push(t),
                                    t =
                                    Ye();
                                if (null !== e) {
                                    for (t = [], u = i, 59 === n.charCodeAt(i) ? (r =
                                            ";",
                                            i++) : (r = null, 0 === o && a('";"')),
                                        null !==
                                        r && null !== (s = ze()) ? r = [r, s] : (r =
                                            null,
                                            i = u); null !== r;) t.push(r), u = i,
                                        59 === n
                                        .charCodeAt(i) ? (r = ";", i++) : (r = null,
                                            0 ===
                                            o && a('";"')), null !== r && null !== (s =
                                            ze()) ? r = [r, s] : (r = null, i = u);
                                    null !== t ? e = [e, t] : (e = null, i = l)
                                } else e = null, i = l;
                                return e
                            }

                            function ze() {
                                var e, t;
                                for (e = [], t = Ye(); null !== t;) e.push(t), t = Ye();
                                return e
                            }

                            function Ye() {
                                var e;
                                return null === (e = C()) && null === (e = S()) && (
                                    58 === n
                                    .charCodeAt(i) ? (e = ":", i++) : (e = null,
                                        0 ===
                                        o && a('":"')), null === e && (64 === n
                                        .charCodeAt(i) ? (e = "@", i++) : (e = null,
                                            0 === o && a('"@"')), null === e && (
                                            38 ===
                                            n.charCodeAt(i) ? (e = "&", i++) : (e =
                                                null, 0 === o && a('"&"')), null ===
                                            e && (61 === n.charCodeAt(i) ? (e = "=",
                                                i++) : (e = null, 0 === o && a(
                                                '"="')), null === e && (43 === n
                                                .charCodeAt(i) ? (e = "+",
                                                    i++) : (
                                                    e = null, 0 === o && a(
                                                        '"+"')),
                                                null === e && (36 === n
                                                    .charCodeAt(
                                                        i) ? (e = "$", i++) : (
                                                        e =
                                                        null, 0 === o && a(
                                                            '"$"')),
                                                    null === e && (44 === n
                                                        .charCodeAt(i) ? (e =
                                                            ",",
                                                            i++) : (e = null,
                                                            0 ===
                                                            o && a('","'))))))))), e
                            }

                            function $e() {
                                var e, t, r, s, l, u;
                                if (s = i, l = i, null !== (e = d())) {
                                    for (t = [], null === (r = d()) && null === (r =
                                            h()) &&
                                        (43 === n.charCodeAt(i) ? (r = "+", i++) : (r =
                                                null, 0 === o && a('"+"')), null ===
                                            r && (
                                                45 === n.charCodeAt(i) ? (r = "-",
                                                    i++) : (
                                                    r = null, 0 === o && a('"-"')),
                                                null ===
                                                r && (46 === n.charCodeAt(i) ? (r = ".",
                                                    i++) : (r = null, 0 === o && a(
                                                    '"."'))))); null !== r;) t.push(r),
                                        null ===
                                        (r = d()) && null === (r = h()) && (43 === n
                                            .charCodeAt(i) ? (r = "+", i++) : (r = null,
                                                0 === o && a('"+"')), null === r && (
                                                45 ===
                                                n.charCodeAt(i) ? (r = "-", i++) : (r =
                                                    null, 0 === o && a('"-"')), null ===
                                                r && (46 === n.charCodeAt(i) ? (r = ".",
                                                    i++) : (r = null, 0 === o && a(
                                                    '"."')))));
                                    null !== t ? e = [e, t] : (e = null, i = l)
                                } else e = null, i = l;
                                return null !== e && (u = s, e = void(jn.scheme = n
                                    .substring(i, u))), null === e && (i = s), e
                            }

                            function Xe() {
                                var e;
                                return null === (e = Je()) && (e = Qe()), e
                            }

                            function Je() {
                                var e, t, r, s;
                                return r = i, s = i, null !== (e = ne()) ? (64 === n
                                        .charCodeAt(i) ? (t = "@", i++) : (t = null,
                                            0 ===
                                            o && a('"@"')), null !== t ? e = [e, t] : (
                                            e =
                                            null, i = s)) : (e = null, i = s), null !==
                                    (e =
                                        null !== e ? e : "") && null !== (t = oe()) ?
                                    e = [
                                        e, t
                                    ] : (e = null, i = r), e = null !== e ? e : ""
                            }

                            function Qe() {
                                var e, t;
                                if (null === (t = C()) && null === (t = S()) && (36 ===
                                        n
                                        .charCodeAt(i) ? (t = "$", i++) : (t = null,
                                            0 ===
                                            o && a('"$"')), null === t && (44 === n
                                            .charCodeAt(i) ? (t = ",", i++) : (t = null,
                                                0 === o && a('","')), null === t && (
                                                59 ===
                                                n.charCodeAt(i) ? (t = ";", i++) : (t =
                                                    null, 0 === o && a('";"')), null ===
                                                t && (58 === n.charCodeAt(i) ? (t = ":",
                                                    i++) : (t = null, 0 === o && a(
                                                    '":"')), null === t && (64 === n
                                                    .charCodeAt(i) ? (t = "@",
                                                        i++) : (
                                                        t = null, 0 === o && a(
                                                            '"@"')),
                                                    null === t && (38 === n
                                                        .charCodeAt(
                                                            i) ? (t = "&", i++) : (
                                                            t =
                                                            null, 0 === o && a(
                                                                '"&"')),
                                                        null === t && (61 === n
                                                            .charCodeAt(i) ? (t =
                                                                "=",
                                                                i++) : (t = null,
                                                                0 ===
                                                                o && a('"="')),
                                                            null ===
                                                            t && (43 === n
                                                                .charCodeAt(
                                                                    i) ? (t = "+",
                                                                    i++) : (
                                                                    t = null, 0 ===
                                                                    o &&
                                                                    a('"+"')))))))))),
                                    null !== t)
                                    for (e = []; null !== t;) e.push(t), null === (t =
                                        C()) && null === (t = S()) && (36 === n
                                        .charCodeAt(i) ?
                                        (t = "$", i++) : (t = null, 0 === o && a(
                                            '"$"')), null === t && (44 === n
                                            .charCodeAt(i) ?
                                            (t = ",", i++) : (t = null, 0 === o &&
                                                a(
                                                    '","')), null === t && (59 === n
                                                .charCodeAt(i) ? (t = ";", i++) : (
                                                    t =
                                                    null, 0 === o && a('";"')),
                                                null ===
                                                t && (58 === n.charCodeAt(i) ? (t =
                                                    ":",
                                                    i++) : (t = null, 0 === o &&
                                                    a(
                                                        '":"')), null === t && (
                                                    64 === n
                                                    .charCodeAt(i) ? (t = "@",
                                                        i++) : (t = null, 0 ===
                                                        o && a(
                                                            '"@"')), null ===
                                                    t && (
                                                        38 === n.charCodeAt(i) ?
                                                        (
                                                            t = "&", i++) : (t =
                                                            null, 0 === o && a(
                                                                '"&"')),
                                                        null ===
                                                        t && (61 === n
                                                            .charCodeAt(
                                                                i) ? (t = "=",
                                                                i++) : (
                                                                t = null, 0 ===
                                                                o &&
                                                                a('"="')),
                                                            null ===
                                                            t && (43 === n
                                                                .charCodeAt(i) ?
                                                                (
                                                                    t = "+", i++
                                                                ) :
                                                                (t = null, 0 ===
                                                                    o && a(
                                                                        '"+"')))
                                                        )
                                                    ))))));
                                else e = null;
                                return e
                            }

                            function Ze() {
                                var e, t;
                                for (e = [], t = We(); null !== t;) e.push(t), t = We();
                                return e
                            }

                            function et() {
                                var e, t, r, s, l, u, c, d, f;
                                if (c = i, d = i, "sip" === n.substr(i, 3)
                                    .toLowerCase() ? (
                                        e = n.substr(i, 3), i += 3) : (e = null, 0 ===
                                        o &&
                                        a('"SIP"')), null !== e)
                                    if (47 === n.charCodeAt(i) ? (t = "/", i++) : (t =
                                            null,
                                            0 === o && a('"/"')), null !== t) {
                                        if (null !== (s = h()))
                                            for (r = []; null !== s;) r.push(s), s =
                                                h();
                                        else r = null;
                                        if (null !== r)
                                            if (46 === n.charCodeAt(i) ? (s = ".",
                                                    i++) : (
                                                    s = null, 0 === o && a('"."')),
                                                null !==
                                                s) {
                                                if (null !== (u = h()))
                                                    for (l = []; null !== u;) l.push(u),
                                                        u =
                                                        h();
                                                else l = null;
                                                null !== l ? e = [e, t, r, s, l] : (e =
                                                    null, i = d)
                                            } else e = null, i = d;
                                        else e = null, i = d
                                    } else e = null, i = d;
                                else e = null, i = d;
                                return null !== e && (f = c, e = void(jn.sip_version = n
                                    .substring(i, f))), null === e && (i = c), e
                            }

                            function tt() {
                                var e;
                                return "INVITE" === n.substr(i, 6) ? (e = "INVITE", i +=
                                    6) : (e = null, 0 === o && a('"INVITE"')), e
                            }

                            function nt() {
                                var e;
                                return "ACK" === n.substr(i, 3) ? (e = "ACK", i += 3) :
                                    (e =
                                        null, 0 === o && a('"ACK"')), e
                            }

                            function rt() {
                                var e;
                                return "OPTIONS" === n.substr(i, 7) ? (e = "OPTIONS",
                                    i +=
                                    7) : (e = null, 0 === o && a('"OPTIONS"')), e
                            }

                            function st() {
                                var e;
                                return "BYE" === n.substr(i, 3) ? (e = "BYE", i += 3) :
                                    (e =
                                        null, 0 === o && a('"BYE"')), e
                            }

                            function it() {
                                var e;
                                return "CANCEL" === n.substr(i, 6) ? (e = "CANCEL", i +=
                                    6) : (e = null, 0 === o && a('"CANCEL"')), e
                            }

                            function ot() {
                                var e;
                                return "REGISTER" === n.substr(i, 8) ? (e = "REGISTER",
                                    i +=
                                    8) : (e = null, 0 === o && a('"REGISTER"')), e
                            }

                            function lt() {
                                var e;
                                return "SUBSCRIBE" === n.substr(i, 9) ? (e =
                                    "SUBSCRIBE",
                                    i += 9) : (e = null, 0 === o && a(
                                    '"SUBSCRIBE"')), e
                            }

                            function ut() {
                                var e;
                                return "NOTIFY" === n.substr(i, 6) ? (e = "NOTIFY", i +=
                                    6) : (e = null, 0 === o && a('"NOTIFY"')), e
                            }

                            function at() {
                                var e;
                                return "REFER" === n.substr(i, 5) ? (e = "REFER", i +=
                                        5) :
                                    (e = null, 0 === o && a('"REFER"')), e
                            }

                            function ct() {
                                var e, t, r;
                                return t = i, null === (e = tt()) && null === (e =
                                        nt()) &&
                                    null === (e = rt()) && null === (e = st()) &&
                                    null === (
                                        e = it()) && null === (e = ot()) && null === (
                                        e =
                                        lt()) && null === (e = ut()) && null === (e =
                                        at()) && (e = N()), null !== e && (r = t, jn
                                        .method = n
                                        .substring(i, r), e = jn.method), null === e &&
                                    (i =
                                        t), e
                            }

                            function ht() {
                                var e, t, n, r, s, o;
                                return o = i, null !== (e = et()) && null !== (t =
                                        v()) &&
                                    null !== (n = dt()) && null !== (r = v()) &&
                                    null !== (
                                        s = _t()) ? e = [e, t, n, r, s] : (e = null, i =
                                        o),
                                    e
                            }

                            function dt() {
                                var e, t, n;
                                return t = i, null !== (e = ft()) && (n = e, e = void(jn
                                        .status_code = parseInt(n.join("")))), null ===
                                    e &&
                                    (i = t), e
                            }

                            function ft() {
                                var e, t, n, r;
                                return r = i, null !== (e = h()) && null !== (t =
                                        h()) &&
                                    null !== (n = h()) ? e = [e, t, n] : (e = null, i =
                                        r),
                                    e
                            }

                            function _t() {
                                var e, t, r, s;
                                for (r = i, e = [], null === (t = T()) && null === (t =
                                        C()) && null === (t = S()) && null === (t =
                                        O()) && null ===
                                    (t = k()) && null === (t = v()) && (t =
                                        g()); null !==
                                    t;) e.push(t), null === (t = T()) && null === (t =
                                        C()) && null === (t = S()) && null === (t =
                                        O()) && null ===
                                    (t = k()) && null === (t = v()) && (t = g());
                                return null !== e && (s = r, e = void(jn.reason_phrase =
                                    n
                                    .substring(i, s))), null === e && (i = r), e
                            }

                            function pt() {
                                var e, t, n, r, s, o, l;
                                if (s = i, o = i, null === (e = J()) && (e = mt()),
                                    null !==
                                    e) {
                                    for (t = [], l = i, null !== (n = G()) && null !== (
                                            r =
                                            gt()) ? n = [n, r] : (n = null, i =
                                            l); null !==
                                        n;) t.push(n), l = i, null !== (n = G()) &&
                                        null !==
                                        (r = gt()) ? n = [n, r] : (n = null, i = l);
                                    null !== t ? e = [e, t] : (e = null, i = o)
                                } else e = null, i = o;
                                return null !== e && (e = function(e) {
                                    var t;
                                    jn.multi_header || (jn.multi_header = []);
                                    try {
                                        t = new Fn(jn.uri, jn.display_name, jn
                                                .params), delete jn.uri,
                                            delete jn
                                            .display_name, delete jn.params
                                    } catch (e) {
                                        t = null
                                    }
                                    jn.multi_header.push({
                                        possition: i,
                                        offset: e,
                                        parsed: t
                                    })
                                }(s)), null === e && (i = s), e
                            }

                            function mt() {
                                var e, t, n, r, s;
                                return s = i, null !== (e = null !== (e = vt()) ? e :
                                        "") &&
                                    null !== (t = F()) && null !== (n = Q()) && null !==
                                    (
                                        r = H()) ? e = [e, t, n, r] : (e = null, i = s),
                                    e
                            }

                            function vt() {
                                var e, t, n, r, s, o, l, u;
                                if (s = i, o = i, null !== (e = N())) {
                                    for (t = [], l = i, null !== (n = E()) && null !== (
                                            r =
                                            N()) ? n = [n, r] : (n = null, i =
                                            l); null !==
                                        n;) t.push(n), l = i, null !== (n = E()) &&
                                        null !==
                                        (r = N()) ? n = [n, r] : (n = null, i = l);
                                    null !== t ? e = [e, t] : (e = null, i = o)
                                } else e = null, i = o;
                                return null === e && (e = Y()), null !== e && (u = e,
                                    e =
                                    void(jn.display_name = "string" == typeof u ?
                                        u : u[
                                            1].reduce(function(e, t) {
                                            return e + t[0] + t[1]
                                        }, u[0]))), null === e && (i = s), e
                            }

                            function gt() {
                                var e;
                                return null === (e = yt()) && null === (e = Tt()) && (
                                    e =
                                    St()), e
                            }

                            function yt() {
                                var e, t, r, s, l, u;
                                return s = i, l = i, "q" === n.substr(i, 1)
                                    .toLowerCase() ?
                                    (e = n.substr(i, 1), i++) : (e = null, 0 === o && a(
                                        '"q"')), null !== e && null !== (t = M()) &&
                                    null !== (r = bt()) ? e = [e, t, r] : (e = null, i =
                                        l),
                                    null !== e && (u = e[2], jn.params || (jn
                                            .params = {}),
                                        e = void(jn.params.q = u)), null === e && (i =
                                        s), e
                            }

                            function Tt() {
                                var e, t, r, s, l, u;
                                return s = i, l = i, "expires" === n.substr(i, 7)
                                    .toLowerCase() ? (e = n.substr(i, 7), i += 7) : (e =
                                        null, 0 === o && a('"expires"')), null !== e &&
                                    null !== (t = M()) && null !== (r = Ct()) ? e = [e,
                                        t,
                                        r
                                    ] : (e = null, i = l), null !== e && (u = e[2], jn
                                        .params || (jn.params = {}), e = void(jn.params
                                            .expires = u)), null === e && (i = s), e
                            }

                            function Ct() {
                                var e, t, n;
                                if (n = i, null !== (t = h()))
                                    for (e = []; null !== t;) e.push(t), t = h();
                                else e = null;
                                return null !== e && (e = parseInt(e.join(""))),
                                    null ===
                                    e && (i = n), e
                            }

                            function bt() {
                                var e, t, r, s, l, u, c, d, f;
                                return u = i, c = i, 48 === n.charCodeAt(i) ? (e = "0",
                                        i++) : (e = null, 0 === o && a('"0"')), null !==
                                    e ? (
                                        d = i, 46 === n.charCodeAt(i) ? (t = ".", i++) :
                                        (
                                            t = null, 0 === o && a('"."')), null !==
                                        t &&
                                        null !== (r = null !== (r = h()) ? r : "") &&
                                        null !== (s = null !== (s = h()) ? s : "") &&
                                        null !== (l = null !== (l = h()) ? l : "") ?
                                        t = [t,
                                            r, s, l
                                        ] : (t = null, i = d), null !== (t = null !==
                                            t ?
                                            t : "") ? e = [e, t] : (e = null, i = c)) :
                                    (e =
                                        null, i = c), null !== e && (f = u, e =
                                        parseFloat(n
                                            .substring(i, f))), null === e && (i = u), e
                            }

                            function St() {
                                var e, t, n, r, s, o, l, u;
                                return r = i, s = i, null !== (e = N()) ? (o = i,
                                    null !== (
                                        t = M()) && null !== (n = Et()) ? t = [t,
                                        n
                                    ] : (
                                        t = null, i = o), null !== (t = null !== t ?
                                        t :
                                        "") ? e = [e, t] : (e = null, i = s)) : (e =
                                    null,
                                    i = s), null !== e && (l = e[0], u = e[1], jn
                                    .params || (jn.params = {}), u = void 0 === u ?
                                    void 0 : u[1], e = void(jn.params[l
                                            .toLowerCase()] =
                                        u)), null === e && (i = r), e
                            }

                            function Et() {
                                var e;
                                return null === (e = N()) && null === (e = le()) && (e =
                                    z()), e
                            }

                            function At() {
                                var e;
                                return "render" === n.substr(i, 6).toLowerCase() ? (e =
                                    n
                                    .substr(i, 6), i += 6) : (e = null, 0 === o &&
                                    a(
                                        '"render"')), null === e && ("session" === n
                                    .substr(
                                        i, 7).toLowerCase() ? (e = n.substr(i, 7),
                                        i +=
                                        7) : (e = null, 0 === o && a('"session"')),
                                    null === e && ("icon" === n.substr(i, 4)
                                        .toLowerCase() ? (e = n.substr(i, 4), i +=
                                            4) :
                                        (e = null, 0 === o && a('"icon"')), null ===
                                        e && ("alert" === n.substr(i, 5)
                                            .toLowerCase() ?
                                            (e = n.substr(i, 5), i += 5) : (e =
                                                null,
                                                0 === o && a('"alert"')), null ===
                                            e &&
                                            (e = N())))), e
                            }

                            function Rt() {
                                var e;
                                return null === (e = wt()) && (e = St()), e
                            }

                            function wt() {
                                var e, t, r, s;
                                return s = i, "handling" === n.substr(i, 8)
                                    .toLowerCase() ?
                                    (e = n.substr(i, 8), i += 8) : (e = null, 0 === o &&
                                        a(
                                            '"handling"')), null !== e && null !== (t =
                                        M()) ? (
                                        "optional" === n.substr(i, 8).toLowerCase() ? (
                                            r = n
                                            .substr(i, 8), i += 8) : (r = null, 0 ===
                                            o &&
                                            a('"optional"')), null === r && (
                                            "required" ===
                                            n.substr(i, 8).toLowerCase() ? (r = n
                                                .substr(i,
                                                    8), i += 8) : (r = null, 0 === o &&
                                                a(
                                                    '"required"')), null === r && (r =
                                                N())),
                                        null !== r ? e = [e, t, r] : (e = null, i = s)
                                    ) : (
                                        e = null, i = s), e
                            }

                            function It() {
                                var e, t, n, r, s, o, l, u;
                                if (l = i, null !== (e = Ot()))
                                    if (null !== (t = P()))
                                        if (null !== (n = xt())) {
                                            for (r = [], u = i, null !== (s = G()) &&
                                                null !== (o = Pt()) ? s = [s, o] : (s =
                                                    null, i = u); null !== s;) r.push(
                                                    s),
                                                u = i, null !== (s = G()) && null !== (
                                                    o =
                                                    Pt()) ? s = [s, o] : (s = null, i =
                                                    u);
                                            null !== r ? e = [e, t, n, r] : (e = null,
                                                i =
                                                l)
                                        } else e = null, i = l;
                                else e = null, i = l;
                                else e = null, i = l;
                                return e
                            }

                            function Ot() {
                                var e;
                                return null === (e = kt()) && (e = Nt()), e
                            }

                            function kt() {
                                var e;
                                return "text" === n.substr(i, 4).toLowerCase() ? (e = n
                                    .substr(i, 4), i += 4) : (e = null, 0 === o &&
                                    a(
                                        '"text"')), null === e && ("image" === n
                                    .substr(i,
                                        5).toLowerCase() ? (e = n.substr(i, 5), i +=
                                        5) : (e = null, 0 === o && a('"image"')),
                                    null ===
                                    e && ("audio" === n.substr(i, 5).toLowerCase() ?
                                        (
                                            e = n.substr(i, 5), i += 5) : (e = null,
                                            0 === o && a('"audio"')), null === e &&
                                        (
                                            "video" === n.substr(i, 5)
                                            .toLowerCase() ? (
                                                e = n.substr(i, 5), i += 5) : (e =
                                                null,
                                                0 === o && a('"video"')), null ===
                                            e &&
                                            ("application" === n.substr(i, 11)
                                                .toLowerCase() ? (e = n.substr(i,
                                                        11),
                                                    i += 11) : (e = null, 0 === o &&
                                                    a(
                                                        '"application"')), null ===
                                                e && (
                                                    e = Ut()))))), e
                            }

                            function Nt() {
                                var e;
                                return "message" === n.substr(i, 7).toLowerCase() ? (e =
                                        n
                                        .substr(i, 7), i += 7) : (e = null, 0 === o &&
                                        a(
                                            '"message"')), null === e && (
                                        "multipart" === n
                                        .substr(i, 9).toLowerCase() ? (e = n.substr(i,
                                                9),
                                            i += 9) : (e = null, 0 === o && a(
                                            '"multipart"')), null === e && (e = Ut())),
                                    e
                            }

                            function Ut() {
                                var e;
                                return null === (e = N()) && (e = Dt()), e
                            }

                            function Dt() {
                                var e, t, r;
                                return r = i, "x-" === n.substr(i, 2).toLowerCase() ? (
                                        e = n
                                        .substr(i, 2), i += 2) : (e = null, 0 === o &&
                                        a(
                                            '"x-"')), null !== e && null !== (t = N()) ?
                                    e = [e,
                                        t
                                    ] : (e = null, i = r), e
                            }

                            function xt() {
                                var e;
                                return null === (e = Ut()) && (e = N()), e
                            }

                            function Pt() {
                                var e, t, n, r;
                                return r = i, null !== (e = N()) && null !== (t =
                                        M()) &&
                                    null !== (n = Mt()) ? e = [e, t, n] : (e = null, i =
                                        r),
                                    e
                            }

                            function Mt() {
                                var e;
                                return null === (e = N()) && (e = z()), e
                            }

                            function qt() {
                                var e, t, n, r;
                                if (n = i, null !== (t = h()))
                                    for (e = []; null !== t;) e.push(t), t = h();
                                else e = null;
                                return null !== e && (r = e, e = void(jn.value =
                                    parseInt(r
                                        .join("")))), null === e && (i = n), e
                            }

                            function Lt() {
                                var e, t, r, s, l, u;
                                if (l = i, null !== (e = U())) {
                                    for (t = [], u = i, 46 === n.charCodeAt(i) ? (r =
                                            ".",
                                            i++) : (r = null, 0 === o && a('"."')),
                                        null !==
                                        r && null !== (s = U()) ? r = [r, s] : (r =
                                            null,
                                            i = u); null !== r;) t.push(r), u = i,
                                        46 === n
                                        .charCodeAt(i) ? (r = ".", i++) : (r = null,
                                            0 ===
                                            o && a('"."')), null !== r && null !== (s =
                                            U()) ? r = [r, s] : (r = null, i = u);
                                    null !== t ? e = [e, t] : (e = null, i = l)
                                } else e = null, i = l;
                                return e
                            }

                            function Ht() {
                                var e;
                                return null === (e = Ft()) && (e = St()), e
                            }

                            function Ft() {
                                var e, t, r, s, l, u;
                                return s = i, l = i, "tag" === n.substr(i, 3)
                                    .toLowerCase() ? (e = n.substr(i, 3), i += 3) : (e =
                                        null,
                                        0 === o && a('"tag"')), null !== e && null !== (
                                        t =
                                        M()) && null !== (r = N()) ? e = [e, t, r] : (
                                        e =
                                        null, i = l), null !== e && (u = e[2], e = void(
                                        jn
                                        .tag = u)), null === e && (i = s), e
                            }

                            function jt() {
                                var e, t, r, s, l, u, c, h;
                                if (c = i, "digest" === n.substr(i, 6).toLowerCase() ? (
                                        e =
                                        n.substr(i, 6), i += 6) : (e = null, 0 === o &&
                                        a(
                                            '"Digest"')), null !== e)
                                    if (null !== (t = E()))
                                        if (null !== (r = Vt())) {
                                            for (s = [], h = i, null !== (l = j()) &&
                                                null !== (u = Vt()) ? l = [l, u] : (l =
                                                    null, i = h); null !== l;) s.push(
                                                    l),
                                                h = i, null !== (l = j()) && null !== (
                                                    u =
                                                    Vt()) ? l = [l, u] : (l = null, i =
                                                    h);
                                            null !== s ? e = [e, t, r, s] : (e = null,
                                                i =
                                                c)
                                        } else e = null, i = c;
                                else e = null, i = c;
                                else e = null, i = c;
                                return null === e && (e = Gt()), e
                            }

                            function Gt() {
                                var e, t, n, r, s, o, l, u;
                                if (l = i, null !== (e = N()))
                                    if (null !== (t = E()))
                                        if (null !== (n = Wt())) {
                                            for (r = [], u = i, null !== (s = j()) &&
                                                null !== (o = Wt()) ? s = [s, o] : (s =
                                                    null, i = u); null !== s;) r.push(
                                                    s),
                                                u = i, null !== (s = j()) && null !== (
                                                    o =
                                                    Wt()) ? s = [s, o] : (s = null, i =
                                                    u);
                                            null !== r ? e = [e, t, n, r] : (e = null,
                                                i =
                                                l)
                                        } else e = null, i = l;
                                else e = null, i = l;
                                else e = null, i = l;
                                return e
                            }

                            function Wt() {
                                var e, t, n, r;
                                return r = i, null !== (e = N()) && null !== (t = M()) ?
                                    (
                                        null === (n = N()) && (n = z()), null !== n ?
                                        e = [
                                            e, t, n
                                        ] : (e = null, i = r)) : (e = null, i = r), e
                            }

                            function Vt() {
                                var e;
                                return null === (e = Bt()) && null === (e = zt()) &&
                                    null === (e = $t()) && null === (e = Jt()) &&
                                    null === (
                                        e = Qt()) && null === (e = Zt()) && null === (
                                        e =
                                        en()) && (e = Wt()), e
                            }

                            function Bt() {
                                var e, t, r, s;
                                return s = i, "realm" === n.substr(i, 5).toLowerCase() ?
                                    (
                                        e = n.substr(i, 5), i += 5) : (e = null, 0 ===
                                        o &&
                                        a('"realm"')), null !== e && null !== (t =
                                        M()) &&
                                    null !== (r = Kt()) ? e = [e, t, r] : (e = null, i =
                                        s),
                                    e
                            }

                            function Kt() {
                                var e, t, n;
                                return t = i, null !== (e = Y()) && (n = e, e = void(jn
                                    .realm = n)), null === e && (i = t), e
                            }

                            function zt() {
                                var e, t, r, s, l, u, c, h, d;
                                if (h = i, "domain" === n.substr(i, 6).toLowerCase() ? (
                                        e =
                                        n.substr(i, 6), i += 6) : (e = null, 0 === o &&
                                        a(
                                            '"domain"')), null !== e)
                                    if (null !== (t = M()))
                                        if (null !== (r = V()))
                                            if (null !== (s = Yt())) {
                                                if (l = [], d = i, null !== (c = v()))
                                                    for (u = []; null !== c;) u.push(c),
                                                        c =
                                                        v();
                                                else u = null;
                                                for (null !== u && null !== (c = Yt()) ?
                                                    u = [u, c] : (u = null, i =
                                                        d); null !==
                                                    u;) {
                                                    if (l.push(u), d = i, null !== (c =
                                                            v()))
                                                        for (u = []; null !== c;) u
                                                            .push(c),
                                                            c = v();
                                                    else u = null;
                                                    null !== u && null !== (c = Yt()) ?
                                                        u = [u, c] : (u = null, i = d)
                                                }
                                                null !== l && null !== (u = B()) ? e = [
                                                    e,
                                                    t, r, s, l, u
                                                ] : (e = null, i = h)
                                            } else e = null, i = h;
                                else e = null, i = h;
                                else e = null, i = h;
                                else e = null, i = h;
                                return e
                            }

                            function Yt() {
                                var e;
                                return null === (e = Le()) && (e = je()), e
                            }

                            function $t() {
                                var e, t, r, s;
                                return s = i, "nonce" === n.substr(i, 5).toLowerCase() ?
                                    (
                                        e = n.substr(i, 5), i += 5) : (e = null, 0 ===
                                        o &&
                                        a('"nonce"')), null !== e && null !== (t =
                                        M()) &&
                                    null !== (r = Xt()) ? e = [e, t, r] : (e = null, i =
                                        s),
                                    e
                            }

                            function Xt() {
                                var e, t, n;
                                return t = i, null !== (e = Y()) && (n = e, e = void(jn
                                    .nonce = n)), null === e && (i = t), e
                            }

                            function Jt() {
                                var e, t, r, s, l, u;
                                return s = i, l = i, "opaque" === n.substr(i, 6)
                                    .toLowerCase() ? (e = n.substr(i, 6), i += 6) : (e =
                                        null, 0 === o && a('"opaque"')), null !== e &&
                                    null !== (t = M()) && null !== (r = Y()) ? e = [e,
                                        t,
                                        r
                                    ] : (e = null, i = l), null !== e && (u = e[2], e =
                                        void(jn.opaque = u)), null === e && (i = s), e
                            }

                            function Qt() {
                                var e, t, r, s, l;
                                return s = i, "stale" === n.substr(i, 5).toLowerCase() ?
                                    (
                                        e = n.substr(i, 5), i += 5) : (e = null, 0 ===
                                        o &&
                                        a('"stale"')), null !== e && null !== (t =
                                        M()) ? (
                                        l = i, "true" === n.substr(i, 4).toLowerCase() ?
                                        (
                                            r = n.substr(i, 4), i += 4) : (r = null,
                                            0 ===
                                            o && a('"true"')), null !== r && (r = void(
                                            jn
                                            .stale = !0)), null === r && (i = l),
                                        null ===
                                        r && (l = i, "false" === n.substr(i, 5)
                                            .toLowerCase() ? (r = n.substr(i, 5), i +=
                                                5) :
                                            (r = null, 0 === o && a('"false"')),
                                            null !==
                                            r && (r = void(jn.stale = !1)), null ===
                                            r && (
                                                i = l)), null !== r ? e = [e, t, r] : (
                                            e =
                                            null, i = s)) : (e = null, i = s), e
                            }

                            function Zt() {
                                var e, t, r, s, l, u;
                                return s = i, l = i, "algorithm" === n.substr(i, 9)
                                    .toLowerCase() ? (e = n.substr(i, 9), i += 9) : (e =
                                        null, 0 === o && a('"algorithm"')), null !==
                                    e &&
                                    null !== (t = M()) ? ("md5" === n.substr(i, 3)
                                        .toLowerCase() ? (r = n.substr(i, 3), i += 3) :
                                        (r =
                                            null, 0 === o && a('"MD5"')), null === r &&
                                        (
                                            "md5-sess" === n.substr(i, 8)
                                            .toLowerCase() ? (
                                                r = n.substr(i, 8), i += 8) : (r = null,
                                                0 === o && a('"MD5-sess"')), null ===
                                            r && (
                                                r = N())), null !== r ? e = [e, t, r] :
                                        (e =
                                            null, i = l)) : (e = null, i = l), null !==
                                    e &&
                                    (u = e[2], e = void(jn.algorithm = u
                                        .toUpperCase())),
                                    null === e && (i = s), e
                            }

                            function en() {
                                var e, t, r, s, l, u, c, h, d, f;
                                if (h = i, "qop" === n.substr(i, 3).toLowerCase() ? (e =
                                        n
                                        .substr(i, 3), i += 3) : (e = null, 0 === o &&
                                        a(
                                            '"qop"')), null !== e)
                                    if (null !== (t = M()))
                                        if (null !== (r = V())) {
                                            if (d = i, null !== (s = tn())) {
                                                for (l = [], f = i, 44 === n.charCodeAt(
                                                        i) ?
                                                    (u = ",", i++) : (u = null, 0 ===
                                                        o &&
                                                        a('","')), null !== u &&
                                                    null !== (
                                                        c = tn()) ? u = [u, c] : (u =
                                                        null,
                                                        i = f); null !== u;) l.push(u),
                                                    f =
                                                    i, 44 === n.charCodeAt(i) ? (u =
                                                        ",",
                                                        i++) : (u = null, 0 === o && a(
                                                        '","')), null !== u && null !==
                                                    (c =
                                                        tn()) ? u = [u, c] : (u = null,
                                                        i =
                                                        f);
                                                null !== l ? s = [s, l] : (s = null, i =
                                                    d)
                                            } else s = null, i = d;
                                            null !== s && null !== (l = B()) ? e = [e,
                                                t, r,
                                                s, l
                                            ] : (e = null, i = h)
                                        } else e = null, i = h;
                                else e = null, i = h;
                                else e = null, i = h;
                                return e
                            }

                            function tn() {
                                var e, t, r;
                                return t = i, "auth-int" === n.substr(i, 8)
                                    .toLowerCase() ?
                                    (e = n.substr(i, 8), i += 8) : (e = null, 0 === o &&
                                        a(
                                            '"auth-int"')), null === e && ("auth" === n
                                        .substr(
                                            i, 4).toLowerCase() ? (e = n.substr(i, 4),
                                            i +=
                                            4) : (e = null, 0 === o && a('"auth"')),
                                        null === e && (e = N())), null !== e && (r = e,
                                        jn
                                        .qop || (jn.qop = []), e = void jn.qop.push(r
                                            .toLowerCase())), null === e && (i = t), e
                            }

                            function nn() {
                                var e, t, n, r, s, o, l;
                                if (s = i, o = i, null !== (e = mt())) {
                                    for (t = [], l = i, null !== (n = G()) && null !== (
                                            r =
                                            St()) ? n = [n, r] : (n = null, i =
                                            l); null !==
                                        n;) t.push(n), l = i, null !== (n = G()) &&
                                        null !==
                                        (r = St()) ? n = [n, r] : (n = null, i = l);
                                    null !== t ? e = [e, t] : (e = null, i = o)
                                } else e = null, i = o;
                                return null !== e && (e = function(e) {
                                    var t;
                                    jn.multi_header || (jn.multi_header = []);
                                    try {
                                        t = new Fn(jn.uri, jn.display_name, jn
                                                .params), delete jn.uri,
                                            delete jn
                                            .display_name, delete jn.params
                                    } catch (e) {
                                        t = null
                                    }
                                    jn.multi_header.push({
                                        possition: i,
                                        offset: e,
                                        parsed: t
                                    })
                                }(s)), null === e && (i = s), e
                            }

                            function rn() {
                                var e;
                                return null === (e = sn()) && (e = St()), e
                            }

                            function sn() {
                                var e, t, r, s, l, u, c;
                                if (l = i, u = i, "cause" === n.substr(i, 5)
                                    .toLowerCase() ?
                                    (e = n.substr(i, 5), i += 5) : (e = null, 0 === o &&
                                        a(
                                            '"cause"')), null !== e)
                                    if (null !== (t = M())) {
                                        if (null !== (s = h()))
                                            for (r = []; null !== s;) r.push(s), s =
                                                h();
                                        else r = null;
                                        null !== r ? e = [e, t, r] : (e = null, i = u)
                                    } else e = null, i = u;
                                else e = null, i = u;
                                return null !== e && (c = e[2], e = void(jn.cause =
                                    parseInt(c.join("")))), null === e && (i = l), e
                            }

                            function on() {
                                var e, t, n, r, s, o;
                                if (s = i, null !== (e = mt())) {
                                    for (t = [], o = i, null !== (n = G()) && null !== (
                                            r =
                                            St()) ? n = [n, r] : (n = null, i =
                                            o); null !==
                                        n;) t.push(n), o = i, null !== (n = G()) &&
                                        null !==
                                        (r = St()) ? n = [n, r] : (n = null, i = o);
                                    null !== t ? e = [e, t] : (e = null, i = s)
                                } else e = null, i = s;
                                return e
                            }

                            function ln() {
                                var e, t, r;
                                return t = i, "active" === n.substr(i, 6)
                                    .toLowerCase() ? (
                                        e = n.substr(i, 6), i += 6) : (e = null, 0 ===
                                        o &&
                                        a('"active"')), null === e && ("pending" === n
                                        .substr(i, 7).toLowerCase() ? (e = n.substr(i,
                                                7),
                                            i += 7) : (e = null, 0 === o && a(
                                            '"pending"')),
                                        null === e && ("terminated" === n.substr(i, 10)
                                            .toLowerCase() ? (e = n.substr(i, 10), i +=
                                                10) : (e = null, 0 === o && a(
                                                '"terminated"')),
                                            null === e && (e = N()))), null !== e && (
                                        r = t,
                                        e = void(jn.state = n.substring(i, r))),
                                    null ===
                                    e && (i = t), e
                            }

                            function un() {
                                var e, t, r, s, l, u, c, h;
                                return s = i, l = i, "reason" === n.substr(i, 6)
                                    .toLowerCase() ? (e = n.substr(i, 6), i += 6) : (e =
                                        null, 0 === o && a('"reason"')), null !== e &&
                                    null !== (t = M()) && null !== (r = an()) ? e = [e,
                                        t,
                                        r
                                    ] : (e = null, i = l), null !== e && (e = void(
                                        void 0 !== (u = e[2]) && (jn.reason = u))),
                                    null ===
                                    e && (i = s), null === e && (s = i, l = i,
                                        "expires" ===
                                        n.substr(i, 7).toLowerCase() ? (e = n.substr(i,
                                                7),
                                            i += 7) : (e = null, 0 === o && a(
                                            '"expires"')),
                                        null !== e && null !== (t = M()) && null !== (
                                            r =
                                            Ct()) ? e = [e, t, r] : (e = null, i = l),
                                        null !== e && (e = void(void 0 !== (h = e[2]) &&
                                            (jn
                                                .expires = h))), null === e && (i = s),
                                        null ===
                                        e && (s = i, l = i, "retry_after" === n.substr(
                                                i,
                                                11).toLowerCase() ? (e = n.substr(i,
                                                    11),
                                                i += 11) : (e = null, 0 === o && a(
                                                '"retry_after"')), null !== e &&
                                            null !== (
                                                t = M()) && null !== (r = Ct()) ? e = [
                                                e, t,
                                                r
                                            ] : (e = null, i = l), null !== e && (e =
                                                void(
                                                    void 0 !== (c = e[2]) && (jn
                                                        .retry_after = c))), null ===
                                            e && (i =
                                                s), null === e && (e = St()))), e
                            }

                            function an() {
                                var e;
                                return "deactivated" === n.substr(i, 11).toLowerCase() ?
                                    (
                                        e = n.substr(i, 11), i += 11) : (e = null, 0 ===
                                        o && a('"deactivated"')), null === e && (
                                        "probation" === n.substr(i, 9).toLowerCase() ? (
                                            e =
                                            n.substr(i, 9), i += 9) : (e = null, 0 ===
                                            o &&
                                            a('"probation"')), null === e && (
                                            "rejected" ===
                                            n.substr(i, 8).toLowerCase() ? (e = n
                                                .substr(i,
                                                    8), i += 8) : (e = null, 0 === o &&
                                                a(
                                                    '"rejected"')), null === e && (
                                                "timeout" ===
                                                n.substr(i, 7).toLowerCase() ? (e = n
                                                    .substr(i, 7), i += 7) : (e = null,
                                                    0 === o && a('"timeout"')), null ===
                                                e && ("giveup" === n.substr(i, 6)
                                                    .toLowerCase() ? (e = n.substr(i,
                                                            6),
                                                        i += 6) : (e = null, 0 === o &&
                                                        a(
                                                            '"giveup"')), null === e &&
                                                    (
                                                        "noresource" === n.substr(i, 10)
                                                        .toLowerCase() ? (e = n.substr(
                                                            i,
                                                            10), i += 10) : (e = null,
                                                            0 ===
                                                            o && a('"noresource"')),
                                                        null === e && ("invariant" === n
                                                            .substr(i, 9)
                                                            .toLowerCase() ? (
                                                                e = n.substr(i, 9), i +=
                                                                9
                                                            ) : (e = null, 0 === o && a(
                                                                '"invariant"')),
                                                            null ===
                                                            e && (e = N()))))))), e
                            }

                            function cn() {
                                var e;
                                return null === (e = Ft()) && (e = St()), e
                            }

                            function hn() {
                                var e, t, n, r, s, o, l, u;
                                if (l = i, null !== (e = yn()))
                                    if (null !== (t = E()))
                                        if (null !== (n = bn())) {
                                            for (r = [], u = i, null !== (s = G()) &&
                                                null !== (o = dn()) ? s = [s, o] : (s =
                                                    null, i = u); null !== s;) r.push(
                                                    s),
                                                u = i, null !== (s = G()) && null !== (
                                                    o =
                                                    dn()) ? s = [s, o] : (s = null, i =
                                                    u);
                                            null !== r ? e = [e, t, n, r] : (e = null,
                                                i =
                                                l)
                                        } else e = null, i = l;
                                else e = null, i = l;
                                else e = null, i = l;
                                return e
                            }

                            function dn() {
                                var e;
                                return null === (e = fn()) && null === (e = _n()) &&
                                    null === (e = pn()) && null === (e = mn()) &&
                                    null === (
                                        e = vn()) && (e = St()), e
                            }

                            function fn() {
                                var e, t, r, s, l, u;
                                return s = i, l = i, "ttl" === n.substr(i, 3)
                                    .toLowerCase() ? (e = n.substr(i, 3), i += 3) : (e =
                                        null,
                                        0 === o && a('"ttl"')), null !== e && null !== (
                                        t =
                                        M()) && null !== (r = An()) ? e = [e, t, r] : (
                                        e =
                                        null, i = l), null !== e && (u = e[2], e = void(
                                        jn
                                        .ttl = u)), null === e && (i = s), e
                            }

                            function _n() {
                                var e, t, r, s, l, u;
                                return s = i, l = i, "maddr" === n.substr(i, 5)
                                    .toLowerCase() ? (e = n.substr(i, 5), i += 5) : (e =
                                        null, 0 === o && a('"maddr"')), null !== e &&
                                    null !== (t = M()) && null !== (r = le()) ? e = [e,
                                        t,
                                        r
                                    ] : (e = null, i = l), null !== e && (u = e[2], e =
                                        void(jn.maddr = u)), null === e && (i = s), e
                            }

                            function pn() {
                                var e, t, r, s, l, u;
                                return s = i, l = i, "received" === n.substr(i, 8)
                                    .toLowerCase() ? (e = n.substr(i, 8), i += 8) : (e =
                                        null, 0 === o && a('"received"')), null !== e &&
                                    null !== (t = M()) ? (null === (r = pe()) && (r =
                                            de()),
                                        null !== r ? e = [e, t, r] : (e = null, i = l)
                                    ) : (
                                        e = null, i = l), null !== e && (u = e[2], e =
                                        void(
                                            jn.received = u)), null === e && (i = s), e
                            }

                            function mn() {
                                var e, t, r, s, l, u;
                                return s = i, l = i, "branch" === n.substr(i, 6)
                                    .toLowerCase() ? (e = n.substr(i, 6), i += 6) : (e =
                                        null, 0 === o && a('"branch"')), null !== e &&
                                    null !== (t = M()) && null !== (r = N()) ? e = [e,
                                        t,
                                        r
                                    ] : (e = null, i = l), null !== e && (u = e[2], e =
                                        void(jn.branch = u)), null === e && (i = s), e
                            }

                            function vn() {
                                var e, t, r, s, l;
                                return s = i, "rport" === n.substr(i, 5).toLowerCase() ?
                                    (
                                        e = n.substr(i, 5), i += 5) : (e = null, 0 ===
                                        o &&
                                        a('"rport"')), null !== e ? (l = i, null !== (
                                        t =
                                        M()) && null !== (r = gn()) ? t = [t, r] : (
                                        t =
                                        null, i = l), null !== (t = null !== t ? t :
                                        "") ? e = [e, t] : (e = null, i = s)) : (e =
                                        null,
                                        i = s), e
                            }

                            function gn() {
                                var e, t, n, r, s, o, l, u;
                                return o = i, l = i, null !== (e = null !== (e = h()) ?
                                        e :
                                        "") && null !== (t = null !== (t = h()) ? t :
                                        "") &&
                                    null !== (n = null !== (n = h()) ? n : "") &&
                                    null !== (
                                        r = null !== (r = h()) ? r : "") && null !== (
                                        s =
                                        null !== (s = h()) ? s : "") ? e = [e, t, n, r,
                                        s
                                    ] :
                                    (e = null, i = l), null !== e && (u = e, e = void(jn
                                        .rport = parseInt(u.join("")))), null === e && (
                                        i =
                                        o), e
                            }

                            function yn() {
                                var e, t, n, r, s, o;
                                return o = i, null !== (e = Tn()) && null !== (t =
                                        P()) &&
                                    null !== (n = N()) && null !== (r = P()) && null !==
                                    (
                                        s = Cn()) ? e = [e, t, n, r, s] : (e = null, i =
                                        o),
                                    e
                            }

                            function Tn() {
                                var e, t, r;
                                return t = i, "sip" === n.substr(i, 3).toLowerCase() ? (
                                        e =
                                        n.substr(i, 3), i += 3) : (e = null, 0 === o &&
                                        a(
                                            '"SIP"')), null === e && (e = N()), null !==
                                    e && (
                                        r = e, e = void(jn.protocol = r)), null === e &&
                                    (
                                        i = t), e
                            }

                            function Cn() {
                                var e, t, r;
                                return t = i, "udp" === n.substr(i, 3).toLowerCase() ? (
                                        e =
                                        n.substr(i, 3), i += 3) : (e = null, 0 === o &&
                                        a(
                                            '"UDP"')), null === e && ("tcp" === n
                                        .substr(i, 3)
                                        .toLowerCase() ? (e = n.substr(i, 3), i += 3) :
                                        (e =
                                            null, 0 === o && a('"TCP"')), null === e &&
                                        (
                                            "tls" === n.substr(i, 3).toLowerCase() ? (
                                                e = n
                                                .substr(i, 3), i += 3) : (e = null,
                                                0 ===
                                                o && a('"TLS"')), null === e && (
                                                "sctp" ===
                                                n.substr(i, 4).toLowerCase() ? (e = n
                                                    .substr(i, 4), i += 4) : (e = null,
                                                    0 === o && a('"SCTP"')), null ===
                                                e && (
                                                    e = N())))), null !== e && (r = e,
                                        e =
                                        void(jn.transport = r)), null === e && (i = t),
                                    e
                            }

                            function bn() {
                                var e, t, n, r, s;
                                return r = i, null !== (e = Sn()) ? (s = i, null !== (
                                    t =
                                    W()) && null !== (n = En()) ? t = [t, n] : (
                                    t =
                                    null, i = s), null !== (t = null !== t ? t :
                                    "") ? e = [e, t] : (e = null, i = r)) : (e =
                                    null,
                                    i = r), e
                            }

                            function Sn() {
                                var e, t, r;
                                return t = i, null === (e = pe()) && null === (e =
                                        he()) &&
                                    (e = ue()), null !== e && (r = t, e = void(jn.host =
                                        n
                                        .substring(i, r))), null === e && (i = t), e
                            }

                            function En() {
                                var e, t, n, r, s, o, l, u;
                                return o = i, l = i, null !== (e = null !== (e = h()) ?
                                        e :
                                        "") && null !== (t = null !== (t = h()) ? t :
                                        "") &&
                                    null !== (n = null !== (n = h()) ? n : "") &&
                                    null !== (
                                        r = null !== (r = h()) ? r : "") && null !== (
                                        s =
                                        null !== (s = h()) ? s : "") ? e = [e, t, n, r,
                                        s
                                    ] :
                                    (e = null, i = l), null !== e && (u = e, e = void(jn
                                        .port = parseInt(u.join("")))), null === e && (
                                        i =
                                        o), e
                            }

                            function An() {
                                var e, t, n, r, s;
                                return r = i, s = i, null !== (e = h()) && null !== (t =
                                    null !== (t = h()) ? t : "") && null !== (n =
                                    null !== (n = h()) ? n : "") ? e = [e, t, n] : (
                                    e =
                                    null, i = s), null !== e && (e = parseInt(e
                                    .join(
                                        ""))), null === e && (i = r), e
                            }

                            function Rn() {
                                var e, t, n;
                                return t = i, null !== (e = Ct()) && (n = e, e = void(jn
                                    .expires = n)), null === e && (i = t), e
                            }

                            function wn() {
                                var e;
                                return null === (e = In()) && (e = St()), e
                            }

                            function In() {
                                var e, t, r, s, l, u;
                                return s = i, l = i, "refresher" === n.substr(i, 9)
                                    .toLowerCase() ? (e = n.substr(i, 9), i += 9) : (e =
                                        null, 0 === o && a('"refresher"')), null !==
                                    e &&
                                    null !== (t = M()) ? ("uac" === n.substr(i, 3)
                                        .toLowerCase() ? (r = n.substr(i, 3), i += 3) :
                                        (r =
                                            null, 0 === o && a('"uac"')), null === r &&
                                        (
                                            "uas" === n.substr(i, 3).toLowerCase() ? (
                                                r = n
                                                .substr(i, 3), i += 3) : (r = null,
                                                0 ===
                                                o && a('"uas"'))), null !== r ? e = [e,
                                            t,
                                            r
                                        ] : (e = null, i = l)) : (e = null, i = l),
                                    null !== e && (u = e[2], e = void(jn.refresher = u
                                        .toLowerCase())), null === e && (i = s), e
                            }

                            function On() {
                                var e, t;
                                for (e = [], null === (t = I()) && null === (t = k()) &&
                                    (
                                        t = E()); null !== t;) e.push(t), null === (t =
                                    I()) && null === (t = k()) && (t = E());
                                return e
                            }

                            function kn() {
                                var e, t, r, s, l, u, c, h, d, f, _, p;
                                return f = i, _ = i, null !== (e = Un()) ? (45 === n
                                        .charCodeAt(i) ? (t = "-", i++) : (t = null,
                                            0 ===
                                            o && a('"-"')), null !== t && null !== (r =
                                            Nn()) ? (45 === n.charCodeAt(i) ? (s = "-",
                                                i++) : (
                                                s = null, 0 === o && a('"-"')), null !==
                                            s && null !== (l = Nn()) ? (45 === n
                                                .charCodeAt(
                                                    i) ? (u = "-", i++) : (u = null,
                                                    0 ===
                                                    o && a('"-"')), null !== u &&
                                                null !== (
                                                    c = Nn()) ? (45 === n.charCodeAt(
                                                        i) ? (
                                                        h = "-", i++) : (h = null, 0 ===
                                                        o && a('"-"')), null !== h &&
                                                    null !== (d = Dn()) ? e = [e, t, r,
                                                        s,
                                                        l, u, c, h, d
                                                    ] : (e = null, i = _)) : (e = null,
                                                    i =
                                                    _)) : (e = null, i = _)) : (e =
                                            null, i = _)
                                    ) : (e = null, i = _), null !== e && (p = f, e[0],
                                        e = void(jn = n.substring(i + 5, p))), null ===
                                    e &&
                                    (i = f), e
                            }

                            function Nn() {
                                var e, t, n, r, s;
                                return s = i, null !== (e = f()) && null !== (t =
                                        f()) &&
                                    null !== (n = f()) && null !== (r = f()) ? e = [e,
                                        t, n,
                                        r
                                    ] : (e = null, i = s), e
                            }

                            function Un() {
                                var e, t, n;
                                return n = i, null !== (e = Nn()) && null !== (t =
                                        Nn()) ?
                                    e = [e, t] : (e = null, i = n), e
                            }

                            function Dn() {
                                var e, t, n, r;
                                return r = i, null !== (e = Nn()) && null !== (t =
                                        Nn()) &&
                                    null !== (n = Nn()) ? e = [e, t, n] : (e = null, i =
                                        r),
                                    e
                            }

                            function xn() {
                                var e, t, r, s, l, u, c;
                                return s = i, l = i, null !== (e = D()) ? (u = i, 64 ===
                                        n
                                        .charCodeAt(i) ? (t = "@", i++) : (t = null,
                                            0 ===
                                            o && a('"@"')), null !== t && null !== (r =
                                            D()) ? t = [t, r] : (t = null, i = u),
                                        null !== (t =
                                            null !== t ? t : "") ? e = [e, t] : (e =
                                            null,
                                            i = l)) : (e = null, i = l), null !== e && (
                                        c =
                                        s, e = void(jn.call_id = n.substring(i, c))),
                                    null === e && (i = s), e
                            }

                            function Pn() {
                                var e;
                                return null === (e = Mn()) && null === (e = qn()) &&
                                    null === (e = Ln()) && (e = St()), e
                            }

                            function Mn() {
                                var e, t, r, s, l, u;
                                return s = i, l = i, "to-tag" === n.substr(i, 6) ? (e =
                                        "to-tag", i += 6) : (e = null, 0 === o && a(
                                        '"to-tag"')), null !== e && null !== (t =
                                        M()) &&
                                    null !== (r = N()) ? e = [e, t, r] : (e = null, i =
                                        l),
                                    null !== e && (u = e[2], e = void(jn.to_tag = u)),
                                    null === e && (i = s), e
                            }

                            function qn() {
                                var e, t, r, s, l, u;
                                return s = i, l = i, "from-tag" === n.substr(i, 8) ? (
                                        e =
                                        "from-tag", i += 8) : (e = null, 0 === o && a(
                                        '"from-tag"')), null !== e && null !== (t =
                                        M()) &&
                                    null !== (r = N()) ? e = [e, t, r] : (e = null, i =
                                        l),
                                    null !== e && (u = e[2], e = void(jn.from_tag = u)),
                                    null === e && (i = s), e
                            }

                            function Ln() {
                                var e, t;
                                return t = i, "early-only" === n.substr(i, 10) ? (e =
                                    "early-only", i += 10) : (e = null, 0 === o &&
                                    a(
                                        '"early-only"')), null !== e && (e = void(jn
                                    .early_only = !0)), null === e && (i = t), e
                            }
                            var Hn = e("./URI"),
                                Fn = e("./NameAddrHeader"),
                                jn = {};
                            if (null === s[r]() || i !== n.length) {
                                var Gn = Math.max(i, l),
                                    Wn = Gn < n.length ? n.charAt(Gn) : null,
                                    Vn = function() {
                                        for (var e = 1, t = 1, r = !1, s = 0; s < Math
                                            .max(
                                                i, l); s++) {
                                            var o = n.charAt(s);
                                            "\n" === o ? (r || e++, t = 1, r = !1) :
                                                "\r" === o || "\u2028" === o ||
                                                "\u2029" ===
                                                o ? (e++, t = 1, r = !0) : (t++, r = !1)
                                        }
                                        return {
                                            line: e,
                                            column: t
                                        }
                                    }();
                                return new this.SyntaxError(function(e) {
                                    e.sort();
                                    for (var t = null, n = [], r = 0; r < e
                                        .length; r++) e[r] !== t && (n.push(e[
                                            r]),
                                        t = e[r]);
                                    return n
                                }(u), Wn, Gn, Vn.line, Vn.column), -1
                            }
                            return jn
                        },
                        toSource: function() {
                            return this._source
                        },
                        SyntaxError: function(e, n, r, s, i) {
                            this.name = "SyntaxError", this.expected = e, this.found =
                                n,
                                this.message = function(e, n) {
                                    var r;
                                    switch (e.length) {
                                        case 0:
                                            r = "end of input";
                                            break;
                                        case 1:
                                            r = e[0];
                                            break;
                                        default:
                                            r = e.slice(0, e.length - 1).join(", ") +
                                                " or " + e[e.length - 1]
                                    }
                                    return "Expected " + r + " but " + (n ? t(n) :
                                        "end of input") + " found."
                                }(e, n), this.offset = r, this.line = s, this.column = i
                        }
                    };
                    return n.SyntaxError.prototype = Error.prototype, n
                }()
            }, {
                "./NameAddrHeader": 11,
                "./URI": 27
            }],
            8: [function(e, t, n) {
                "use strict";
                var r = e("../package.json"),
                    s = e("./Constants"),
                    i = e("./Exceptions"),
                    o = e("./Utils"),
                    l = e("./UA"),
                    u = e("./URI"),
                    a = e("./NameAddrHeader"),
                    c = e("./Grammar"),
                    h = e("./WebSocketInterface");
                e("debug")("JsSIP")("version %s", r.version), t.exports = {
                    C: s,
                    Exceptions: i,
                    Utils: o,
                    UA: l,
                    URI: u,
                    NameAddrHeader: a,
                    WebSocketInterface: h,
                    Grammar: c,
                    debug: e("debug"),
                    get name() {
                        return r.title
                    },
                    get version() {
                        return r.version
                    }
                }
            }, {
                "../package.json": 40,
                "./Constants": 2,
                "./Exceptions": 6,
                "./Grammar": 7,
                "./NameAddrHeader": 11,
                "./UA": 26,
                "./URI": 27,
                "./Utils": 28,
                "./WebSocketInterface": 29,
                debug: 32
            }],
            9: [function(e, t, n) {
                "use strict";

                function r(e, t) {
                    for (var n = 0; n < t.length; n++) {
                        var r = t[n];
                        r.enumerable = r.enumerable || !1, r.configurable = !0, "value" in r && (r
                            .writable = !0), Object.defineProperty(e, r.key, r)
                    }
                }
                var s = e("debug"),
                    i = "JsSIP";
                t.exports = function() {
                    function e(t) {
                        ! function(e, t) {
                            if (!(e instanceof t)) throw new TypeError(
                                "Cannot call a class as a function")
                        }(this, e), t ? (this._debug = s.default("".concat(i, ":").concat(t)),
                                this
                                ._warn = s.default("".concat(i, ":WARN:").concat(t)), this
                                ._error =
                                s.default("".concat(i, ":ERROR:").concat(t))) : (this._debug = s
                                .default(i), this._warn = s.default("".concat(i, ":WARN")), this
                                ._error = s.default("".concat(i, ":ERROR"))), this._debug.log =
                            console.info.bind(console), this._warn.log = console.warn.bind(
                                console),
                            this._error.log = console.error.bind(console)
                    }
                    var t, n, o;
                    return t = e, (n = [{
                        key: "debug",
                        get: function() {
                            return this._debug
                        }
                    }, {
                        key: "warn",
                        get: function() {
                            return this._warn
                        }
                    }, {
                        key: "error",
                        get: function() {
                            return this._error
                        }
                    }]) && r(t.prototype, n), o && r(t, o), e
                }()
            }, {
                debug: 32
            }],
            10: [function(e, t, n) {
                "use strict";

                function r(e) {
                    return (r = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ?
                        function(e) {
                            return typeof e
                        } : function(e) {
                            return e && "function" == typeof Symbol && e.constructor ===
                                Symbol &&
                                e !== Symbol.prototype ? "symbol" : typeof e
                        })(e)
                }

                function s(e, t) {
                    for (var n = 0; n < t.length; n++) {
                        var r = t[n];
                        r.enumerable = r.enumerable || !1, r.configurable = !0, "value" in r && (r
                            .writable = !0), Object.defineProperty(e, r.key, r)
                    }
                }

                function i(e, t) {
                    return (i = Object.setPrototypeOf || function(e, t) {
                        return e.__proto__ = t, e
                    })(e, t)
                }

                function o(e) {
                    var t = function() {
                        if ("undefined" == typeof Reflect || !Reflect.construct) return !1;
                        if (Reflect.construct.sham) return !1;
                        if ("function" == typeof Proxy) return !0;
                        try {
                            return Date.prototype.toString.call(Reflect.construct(Date, [],
                                function() {})), !0
                        } catch (e) {
                            return !1
                        }
                    }();
                    return function() {
                        var n, s = l(e);
                        if (t) {
                            var i = l(this).constructor;
                            n = Reflect.construct(s, arguments, i)
                        } else n = s.apply(this, arguments);
                        return function(e, t) {
                            if (t && ("object" === r(t) || "function" == typeof t))
                                return t;
                            return function(e) {
                                if (void 0 === e) throw new ReferenceError(
                                    "this hasn't been initialised - super() hasn't been called"
                                );
                                return e
                            }(e)
                        }(this, n)
                    }
                }

                function l(e) {
                    return (l = Object.setPrototypeOf ? Object.getPrototypeOf : function(e) {
                        return e.__proto__ || Object.getPrototypeOf(e)
                    })(e)
                }
                var u = e("events").EventEmitter,
                    a = e("./Logger"),
                    c = e("./Constants"),
                    h = e("./SIPMessage"),
                    d = e("./Utils"),
                    f = e("./RequestSender"),
                    _ = e("./Exceptions"),
                    p = e("./URI"),
                    m = new a("Message");
                t.exports = function(e) {
                    ! function(e, t) {
                        if ("function" != typeof t && null !== t) throw new TypeError(
                            "Super expression must either be null or a function");
                        e.prototype = Object.create(t && t.prototype, {
                            constructor: {
                                value: e,
                                writable: !0,
                                configurable: !0
                            }
                        }), t && i(e, t)
                    }(a, u);
                    var t, n, r, l = o(a);

                    function a(e) {
                        var t;
                        return function(e, t) {
                                if (!(e instanceof t)) throw new TypeError(
                                    "Cannot call a class as a function")
                            }(this, a), (t = l.call(this))._ua = e, t._request = null, t
                            ._closed = !
                            1, t._direction = null, t._local_identity = null, t
                            ._remote_identity =
                            null, t._is_replied = !1, t._data = {}, t
                    }
                    return t = a, (n = [{
                        key: "send",
                        value: function(e, t) {
                            var n = this,
                                r = arguments.length > 2 && void 0 !==
                                arguments[
                                    2] ? arguments[2] : {},
                                s = e;
                            if (void 0 === e || void 0 === t)
                                throw new TypeError(
                                    "Not enough arguments");
                            if (!(e = this._ua.normalizeTarget(e)))
                                throw new TypeError("Invalid target: ".concat(
                                    s));
                            var i = d.cloneArray(r.extraHeaders),
                                o = d.cloneObject(r.eventHandlers),
                                l = r.contentType || "text/plain",
                                u = {};
                            for (var a in r.fromUserName && (u.from_uri = new p(
                                        "sip", r.fromUserName, this._ua
                                        .configuration.uri.host), i.push(
                                        "P-Preferred-Identity: ".concat(this
                                            ._ua
                                            .configuration.uri.toString()))), r
                                    .fromDisplayName && (u.from_display_name = r
                                        .fromDisplayName), o) Object.prototype
                                .hasOwnProperty.call(o, a) && this.on(a, o[a]);
                            i.push("Content-Type: ".concat(l)), this._request =
                                new h.OutgoingRequest(c.MESSAGE, e, this._ua, u,
                                    i),
                                t && (this._request.body = t);
                            var _ = new f(this._ua, this._request, {
                                onRequestTimeout: function() {
                                    n._onRequestTimeout()
                                },
                                onTransportError: function() {
                                    n._onTransportError()
                                },
                                onReceiveResponse: function(e) {
                                    n._receiveResponse(e)
                                }
                            });
                            this._newMessage("local", this._request), _.send()
                        }
                    }, {
                        key: "init_incoming",
                        value: function(e) {
                            this._request = e, this._newMessage("remote", e),
                                this
                                ._is_replied || (this._is_replied = !0, e.reply(
                                    200)), this._close()
                        }
                    }, {
                        key: "accept",
                        value: function() {
                            var e = arguments.length > 0 && void 0 !==
                                arguments[
                                    0] ? arguments[0] : {},
                                t = d.cloneArray(e.extraHeaders),
                                n = e.body;
                            if ("incoming" !== this._direction) throw new _
                                .NotSupportedError(
                                    '"accept" not supported for outgoing Message'
                                );
                            if (this._is_replied) throw new Error(
                                "incoming Message already replied");
                            this._is_replied = !0, this._request.reply(200,
                                null, t,
                                n)
                        }
                    }, {
                        key: "reject",
                        value: function() {
                            var e = arguments.length > 0 && void 0 !==
                                arguments[
                                    0] ? arguments[0] : {},
                                t = e.status_code || 480,
                                n = e.reason_phrase,
                                r = d.cloneArray(e.extraHeaders),
                                s = e.body;
                            if ("incoming" !== this._direction) throw new _
                                .NotSupportedError(
                                    '"reject" not supported for outgoing Message'
                                );
                            if (this._is_replied) throw new Error(
                                "incoming Message already replied");
                            if (t < 300 || t >= 700) throw new TypeError(
                                "Invalid status_code: ".concat(t));
                            this._is_replied = !0, this._request.reply(t, n, r,
                                s)
                        }
                    }, {
                        key: "_receiveResponse",
                        value: function(e) {
                            if (!this._closed) switch (!0) {
                                case /^1[0-9]{2}$/.test(e.status_code):
                                    break;
                                case /^2[0-9]{2}$/.test(e.status_code):
                                    this._succeeded("remote", e);
                                    break;
                                default:
                                    var t = d.sipErrorCause(e.status_code);
                                    this._failed("remote", e, t)
                            }
                        }
                    }, {
                        key: "_onRequestTimeout",
                        value: function() {
                            this._closed || this._failed("system", null, c
                                .causes
                                .REQUEST_TIMEOUT)
                        }
                    }, {
                        key: "_onTransportError",
                        value: function() {
                            this._closed || this._failed("system", null, c
                                .causes
                                .CONNECTION_ERROR)
                        }
                    }, {
                        key: "_close",
                        value: function() {
                            this._closed = !0, this._ua.destroyMessage(this)
                        }
                    }, {
                        key: "_newMessage",
                        value: function(e, t) {
                            "remote" === e ? (this._direction = "incoming", this
                                    ._local_identity = t.to, this
                                    ._remote_identity =
                                    t.from) : "local" === e && (this
                                    ._direction =
                                    "outgoing", this._local_identity = t.from,
                                    this
                                    ._remote_identity = t.to), this._ua
                                .newMessage(
                                    this, {
                                        originator: e,
                                        message: this,
                                        request: t
                                    })
                        }
                    }, {
                        key: "_failed",
                        value: function(e, t, n) {
                            m.debug("MESSAGE failed"), this._close(), m.debug(
                                'emit "failed"'), this.emit("failed", {
                                originator: e,
                                response: t || null,
                                cause: n
                            })
                        }
                    }, {
                        key: "_succeeded",
                        value: function(e, t) {
                            m.debug("MESSAGE succeeded"), this._close(), m
                                .debug(
                                    'emit "succeeded"'), this.emit(
                                    "succeeded", {
                                        originator: e,
                                        response: t
                                    })
                        }
                    }, {
                        key: "direction",
                        get: function() {
                            return this._direction
                        }
                    }, {
                        key: "local_identity",
                        get: function() {
                            return this._local_identity
                        }
                    }, {
                        key: "remote_identity",
                        get: function() {
                            return this._remote_identity
                        }
                    }]) && s(t.prototype, n), r && s(t, r), a
                }()
            }, {
                "./Constants": 2,
                "./Exceptions": 6,
                "./Logger": 9,
                "./RequestSender": 20,
                "./SIPMessage": 21,
                "./URI": 27,
                "./Utils": 28,
                events: 31
            }],
            11: [function(e, t, n) {
                "use strict";

                function r(e, t) {
                    for (var n = 0; n < t.length; n++) {
                        var r = t[n];
                        r.enumerable = r.enumerable || !1, r.configurable = !0, "value" in r && (r
                            .writable = !0), Object.defineProperty(e, r.key, r)
                    }
                }

                function s(e, t, n) {
                    return t && r(e.prototype, t), n && r(e, n), e
                }
                var i = e("./URI"),
                    o = e("./Grammar");
                t.exports = function() {
                    function e(t, n, r) {
                        if (function(e, t) {
                                if (!(e instanceof t)) throw new TypeError(
                                    "Cannot call a class as a function")
                            }(this, e), !(t && t instanceof i)) throw new TypeError(
                            'missing or invalid "uri" parameter');
                        for (var s in this._uri = t, this._parameters = {}, this.display_name =
                                n,
                                r) Object.prototype.hasOwnProperty.call(r, s) && this.setParam(
                            s, r[s])
                    }
                    return s(e, null, [{
                        key: "parse",
                        value: function(e) {
                            return -1 !== (e = o.parse(e, "Name_Addr_Header")) ?
                                e :
                                void 0
                        }
                    }]), s(e, [{
                        key: "setParam",
                        value: function(e, t) {
                            e && (this._parameters[e.toLowerCase()] = null ==
                                t ?
                                null : t.toString())
                        }
                    }, {
                        key: "getParam",
                        value: function(e) {
                            if (e) return this._parameters[e.toLowerCase()]
                        }
                    }, {
                        key: "hasParam",
                        value: function(e) {
                            if (e) return !!this._parameters.hasOwnProperty(e
                                .toLowerCase())
                        }
                    }, {
                        key: "deleteParam",
                        value: function(e) {
                            if (e = e.toLowerCase(), this._parameters
                                .hasOwnProperty(e)) {
                                var t = this._parameters[e];
                                return delete this._parameters[e], t
                            }
                        }
                    }, {
                        key: "clearParams",
                        value: function() {
                            this._parameters = {}
                        }
                    }, {
                        key: "clone",
                        value: function() {
                            return new e(this._uri.clone(), this._display_name,
                                JSON
                                .parse(JSON.stringify(this._parameters)))
                        }
                    }, {
                        key: "_quote",
                        value: function(e) {
                            return e.replace(/\\/g, "\\\\").replace(/"/g, '\\"')
                        }
                    }, {
                        key: "toString",
                        value: function() {
                            var e = this._display_name ? '"'.concat(this._quote(
                                this
                                ._display_name), '" ') : "";
                            for (var t in e += "<".concat(this._uri.toString(),
                                    ">"), this._parameters) Object.prototype
                                .hasOwnProperty.call(this._parameters, t) && (
                                    e +=
                                    ";".concat(t), null !== this._parameters[
                                        t] && (
                                        e += "=".concat(this._parameters[t])));
                            return e
                        }
                    }, {
                        key: "uri",
                        get: function() {
                            return this._uri
                        }
                    }, {
                        key: "display_name",
                        get: function() {
                            return this._display_name
                        },
                        set: function(e) {
                            this._display_name = 0 === e ? "0" : e
                        }
                    }]), e
                }()
            }, {
                "./Grammar": 7,
                "./URI": 27
            }],
            12: [function(e, t, n) {
                "use strict";

                function r(e) {
                    return (r = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ?
                        function(e) {
                            return typeof e
                        } : function(e) {
                            return e && "function" == typeof Symbol && e.constructor ===
                                Symbol &&
                                e !== Symbol.prototype ? "symbol" : typeof e
                        })(e)
                }

                function s(e, t) {
                    for (var n = 0; n < t.length; n++) {
                        var r = t[n];
                        r.enumerable = r.enumerable || !1, r.configurable = !0, "value" in r && (r
                            .writable = !0), Object.defineProperty(e, r.key, r)
                    }
                }

                function i(e, t) {
                    return (i = Object.setPrototypeOf || function(e, t) {
                        return e.__proto__ = t, e
                    })(e, t)
                }

                function o(e) {
                    var t = function() {
                        if ("undefined" == typeof Reflect || !Reflect.construct) return !1;
                        if (Reflect.construct.sham) return !1;
                        if ("function" == typeof Proxy) return !0;
                        try {
                            return Date.prototype.toString.call(Reflect.construct(Date, [],
                                function() {})), !0
                        } catch (e) {
                            return !1
                        }
                    }();
                    return function() {
                        var n, s = l(e);
                        if (t) {
                            var i = l(this).constructor;
                            n = Reflect.construct(s, arguments, i)
                        } else n = s.apply(this, arguments);
                        return function(e, t) {
                            if (t && ("object" === r(t) || "function" == typeof t))
                                return t;
                            return function(e) {
                                if (void 0 === e) throw new ReferenceError(
                                    "this hasn't been initialised - super() hasn't been called"
                                );
                                return e
                            }(e)
                        }(this, n)
                    }
                }

                function l(e) {
                    return (l = Object.setPrototypeOf ? Object.getPrototypeOf : function(e) {
                        return e.__proto__ || Object.getPrototypeOf(e)
                    })(e)
                }
                var u = e("events").EventEmitter,
                    a = e("./Logger"),
                    c = e("./Constants"),
                    h = e("./SIPMessage"),
                    d = e("./Utils"),
                    f = e("./RequestSender"),
                    _ = e("./Exceptions"),
                    p = new a("Options");
                t.exports = function(e) {
                    ! function(e, t) {
                        if ("function" != typeof t && null !== t) throw new TypeError(
                            "Super expression must either be null or a function");
                        e.prototype = Object.create(t && t.prototype, {
                            constructor: {
                                value: e,
                                writable: !0,
                                configurable: !0
                            }
                        }), t && i(e, t)
                    }(a, u);
                    var t, n, r, l = o(a);

                    function a(e) {
                        var t;
                        return function(e, t) {
                                if (!(e instanceof t)) throw new TypeError(
                                    "Cannot call a class as a function")
                            }(this, a), (t = l.call(this))._ua = e, t._request = null, t
                            ._closed = !
                            1, t._direction = null, t._local_identity = null, t
                            ._remote_identity =
                            null, t._is_replied = !1, t._data = {}, t
                    }
                    return t = a, (n = [{
                        key: "send",
                        value: function(e, t) {
                            var n = this,
                                r = arguments.length > 2 && void 0 !==
                                arguments[
                                    2] ? arguments[2] : {},
                                s = e;
                            if (void 0 === e) throw new TypeError(
                                "A target is required for OPTIONS");
                            if (!(e = this._ua.normalizeTarget(e)))
                                throw new TypeError("Invalid target: ".concat(
                                    s));
                            var i = d.cloneArray(r.extraHeaders),
                                o = d.cloneObject(r.eventHandlers),
                                l = r.contentType || "application/sdp";
                            for (var u in o) Object.prototype.hasOwnProperty
                                .call(o,
                                    u) && this.on(u, o[u]);
                            i.push("Content-Type: ".concat(l)), this._request =
                                new h.OutgoingRequest(c.OPTIONS, e, this._ua,
                                    null,
                                    i), t && (this._request.body = t);
                            var a = new f(this._ua, this._request, {
                                onRequestTimeout: function() {
                                    n._onRequestTimeout()
                                },
                                onTransportError: function() {
                                    n._onTransportError()
                                },
                                onReceiveResponse: function(e) {
                                    n._receiveResponse(e)
                                }
                            });
                            this._newOptions("local", this._request), a.send()
                        }
                    }, {
                        key: "init_incoming",
                        value: function(e) {
                            this._request = e, this._newOptions("remote", e),
                                this
                                ._is_replied || (this._is_replied = !0, e.reply(
                                    200)), this._close()
                        }
                    }, {
                        key: "accept",
                        value: function() {
                            var e = arguments.length > 0 && void 0 !==
                                arguments[
                                    0] ? arguments[0] : {},
                                t = d.cloneArray(e.extraHeaders),
                                n = e.body;
                            if ("incoming" !== this._direction) throw new _
                                .NotSupportedError(
                                    '"accept" not supported for outgoing Options'
                                );
                            if (this._is_replied) throw new Error(
                                "incoming Options already replied");
                            this._is_replied = !0, this._request.reply(200,
                                null, t,
                                n)
                        }
                    }, {
                        key: "reject",
                        value: function() {
                            var e = arguments.length > 0 && void 0 !==
                                arguments[
                                    0] ? arguments[0] : {},
                                t = e.status_code || 480,
                                n = e.reason_phrase,
                                r = d.cloneArray(e.extraHeaders),
                                s = e.body;
                            if ("incoming" !== this._direction) throw new _
                                .NotSupportedError(
                                    '"reject" not supported for outgoing Options'
                                );
                            if (this._is_replied) throw new Error(
                                "incoming Options already replied");
                            if (t < 300 || t >= 700) throw new TypeError(
                                "Invalid status_code: ".concat(t));
                            this._is_replied = !0, this._request.reply(t, n, r,
                                s)
                        }
                    }, {
                        key: "_receiveResponse",
                        value: function(e) {
                            if (!this._closed) switch (!0) {
                                case /^1[0-9]{2}$/.test(e.status_code):
                                    break;
                                case /^2[0-9]{2}$/.test(e.status_code):
                                    this._succeeded("remote", e);
                                    break;
                                default:
                                    var t = d.sipErrorCause(e.status_code);
                                    this._failed("remote", e, t)
                            }
                        }
                    }, {
                        key: "_onRequestTimeout",
                        value: function() {
                            this._closed || this._failed("system", null, c
                                .causes
                                .REQUEST_TIMEOUT)
                        }
                    }, {
                        key: "_onTransportError",
                        value: function() {
                            this._closed || this._failed("system", null, c
                                .causes
                                .CONNECTION_ERROR)
                        }
                    }, {
                        key: "_close",
                        value: function() {
                            this._closed = !0, this._ua.destroyMessage(this)
                        }
                    }, {
                        key: "_newOptions",
                        value: function(e, t) {
                            "remote" === e ? (this._direction = "incoming", this
                                    ._local_identity = t.to, this
                                    ._remote_identity =
                                    t.from) : "local" === e && (this
                                    ._direction =
                                    "outgoing", this._local_identity = t.from,
                                    this
                                    ._remote_identity = t.to), this._ua
                                .newOptions(
                                    this, {
                                        originator: e,
                                        message: this,
                                        request: t
                                    })
                        }
                    }, {
                        key: "_failed",
                        value: function(e, t, n) {
                            p.debug("OPTIONS failed"), this._close(), p.debug(
                                'emit "failed"'), this.emit("failed", {
                                originator: e,
                                response: t || null,
                                cause: n
                            })
                        }
                    }, {
                        key: "_succeeded",
                        value: function(e, t) {
                            p.debug("OPTIONS succeeded"), this._close(), p
                                .debug(
                                    'emit "succeeded"'), this.emit(
                                    "succeeded", {
                                        originator: e,
                                        response: t
                                    })
                        }
                    }, {
                        key: "direction",
                        get: function() {
                            return this._direction
                        }
                    }, {
                        key: "local_identity",
                        get: function() {
                            return this._local_identity
                        }
                    }, {
                        key: "remote_identity",
                        get: function() {
                            return this._remote_identity
                        }
                    }]) && s(t.prototype, n), r && s(t, r), a
                }()
            }, {
                "./Constants": 2,
                "./Exceptions": 6,
                "./Logger": 9,
                "./RequestSender": 20,
                "./SIPMessage": 21,
                "./Utils": 28,
                events: 31
            }],
            13: [function(e, t, n) {
                "use strict";

                function r(e, t) {
                    var n;
                    if ("undefined" == typeof Symbol || null == e[Symbol.iterator]) {
                        if (Array.isArray(e) || (n = function(e, t) {
                                if (!e) return;
                                if ("string" == typeof e) return s(e, t);
                                var n = Object.prototype.toString.call(e).slice(8, -1);
                                "Object" === n && e.constructor && (n = e.constructor.name);
                                if ("Map" === n || "Set" === n) return Array.from(e);
                                if ("Arguments" === n ||
                                    /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/
                                    .test(n)) return s(e, t)
                            }(e)) || t && e && "number" == typeof e.length) {
                            n && (e = n);
                            var r = 0,
                                i = function() {};
                            return {
                                s: i,
                                n: function() {
                                    return r >= e.length ? {
                                        done: !0
                                    } : {
                                        done: !1,
                                        value: e[r++]
                                    }
                                },
                                e: function(e) {
                                    throw e
                                },
                                f: i
                            }
                        }
                        throw new TypeError(
                            "Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."
                        )
                    }
                    var o, l = !0,
                        u = !1;
                    return {
                        s: function() {
                            n = e[Symbol.iterator]()
                        },
                        n: function() {
                            var e = n.next();
                            return l = e.done, e
                        },
                        e: function(e) {
                            u = !0, o = e
                        },
                        f: function() {
                            try {
                                l || null == n.return || n.return()
                            } finally {
                                if (u) throw o
                            }
                        }
                    }
                }

                function s(e, t) {
                    (null == t || t > e.length) && (t = e.length);
                    for (var n = 0, r = new Array(t); n < t; n++) r[n] = e[n];
                    return r
                }
                var i = e("./Logger"),
                    o = e("./Grammar"),
                    l = e("./SIPMessage"),
                    u = new i("Parser");

                function a(e, t) {
                    var n = t,
                        r = 0,
                        s = 0;
                    if (e.substring(n, n + 2).match(/(^\r\n)/)) return -2;
                    for (; 0 === r;) {
                        if (-1 === (s = e.indexOf("\r\n", n))) return s;
                        !e.substring(s + 2, s + 4).match(/(^\r\n)/) && e.charAt(s + 2).match(
                                /(^\s+)/) ?
                            n = s + 2 : r = s
                    }
                    return r
                }

                function c(e, t, n, s) {
                    var i, u = t.indexOf(":", n),
                        a = t.substring(n, u).trim(),
                        c = t.substring(u + 1, s).trim();
                    switch (a.toLowerCase()) {
                        case "via":
                        case "v":
                            e.addHeader("via", c), 1 === e.getHeaders("via").length ? (i = e
                                    .parseHeader("Via")) && (e.via = i, e.via_branch = i.branch) :
                                i = 0;
                            break;
                        case "from":
                        case "f":
                            e.setHeader("from", c), (i = e.parseHeader("from")) && (e.from = i, e
                                .from_tag = i.getParam("tag"));
                            break;
                        case "to":
                        case "t":
                            e.setHeader("to", c), (i = e.parseHeader("to")) && (e.to = i, e.to_tag =
                                i
                                .getParam("tag"));
                            break;
                        case "record-route":
                            if (-1 === (i = o.parse(c, "Record_Route"))) i = void 0;
                            else {
                                var h, d = r(i);
                                try {
                                    for (d.s(); !(h = d.n()).done;) {
                                        var f = h.value;
                                        e.addHeader("record-route", c.substring(f.possition, f
                                                .offset)),
                                            e.headers["Record-Route"][e.getHeaders("record-route")
                                                .length - 1
                                            ].parsed = f.parsed
                                    }
                                } catch (e) {
                                    d.e(e)
                                } finally {
                                    d.f()
                                }
                            }
                            break;
                        case "call-id":
                        case "i":
                            e.setHeader("call-id", c), (i = e.parseHeader("call-id")) && (e
                                .call_id =
                                c);
                            break;
                        case "contact":
                        case "m":
                            if (-1 === (i = o.parse(c, "Contact"))) i = void 0;
                            else {
                                var _, p = r(i);
                                try {
                                    for (p.s(); !(_ = p.n()).done;) {
                                        var m = _.value;
                                        e.addHeader("contact", c.substring(m.possition, m.offset)),
                                            e
                                            .headers.Contact[e.getHeaders("contact").length - 1]
                                            .parsed = m.parsed
                                    }
                                } catch (e) {
                                    p.e(e)
                                } finally {
                                    p.f()
                                }
                            }
                            break;
                        case "content-length":
                        case "l":
                            e.setHeader("content-length", c), i = e.parseHeader("content-length");
                            break;
                        case "content-type":
                        case "c":
                            e.setHeader("content-type", c), i = e.parseHeader("content-type");
                            break;
                        case "cseq":
                            e.setHeader("cseq", c), (i = e.parseHeader("cseq")) && (e.cseq = i
                                    .value),
                                e instanceof l.IncomingResponse && (e.method = i.method);
                            break;
                        case "max-forwards":
                            e.setHeader("max-forwards", c), i = e.parseHeader("max-forwards");
                            break;
                        case "www-authenticate":
                            e.setHeader("www-authenticate", c), i = e.parseHeader(
                                "www-authenticate");
                            break;
                        case "proxy-authenticate":
                            e.setHeader("proxy-authenticate", c), i = e.parseHeader(
                                "proxy-authenticate");
                            break;
                        case "session-expires":
                        case "x":
                            e.setHeader("session-expires", c), (i = e.parseHeader(
                                    "session-expires")) &&
                                (e.session_expires = i.expires, e.session_expires_refresher = i
                                    .refresher);
                            break;
                        case "refer-to":
                        case "r":
                            e.setHeader("refer-to", c), (i = e.parseHeader("refer-to")) && (e
                                .refer_to =
                                i);
                            break;
                        case "replaces":
                            e.setHeader("replaces", c), (i = e.parseHeader("replaces")) && (e
                                .replaces =
                                i);
                            break;
                        case "event":
                        case "o":
                            e.setHeader("event", c), (i = e.parseHeader("event")) && (e.event = i);
                            break;
                        default:
                            e.addHeader(a, c), i = 0
                    }
                    return void 0 !== i || {
                        error: 'error parsing header "'.concat(a, '"')
                    }
                }
                n.parseMessage = function(e, t) {
                    var n, r, s = e.indexOf("\r\n");
                    if (-1 !== s) {
                        var i = e.substring(0, s),
                            h = o.parse(i, "Request_Response");
                        if (-1 !== h) {
                            h.status_code ? ((n = new l.IncomingResponse).status_code = h
                                    .status_code, n.reason_phrase = h.reason_phrase) : ((n =
                                    new l
                                    .IncomingRequest(t)).method = h.method, n.ruri = h.uri), n
                                .data = e;
                            for (var d = s + 2;;) {
                                if (-2 === (s = a(e, d))) {
                                    r = d + 2;
                                    break
                                }
                                if (-1 === s) return void u.warn(
                                    "parseMessage() | malformed message");
                                if (!0 !== (h = c(n, e, d, s))) return void u.warn(
                                    "parseMessage() |", h.error);
                                d = s + 2
                            }
                            if (n.hasHeader("content-length")) {
                                var f = n.getHeader("content-length");
                                n.body = e.substr(r, f)
                            } else n.body = e.substring(r);
                            return n
                        }
                        u.warn('parseMessage() | error parsing first line of SIP message: "'
                            .concat(
                                i, '"'))
                    } else u.warn("parseMessage() | no CRLF found, not a SIP message")
                }
            }, {
                "./Grammar": 7,
                "./Logger": 9,
                "./SIPMessage": 21
            }],
            14: [function(e, t, n) {
                "use strict";

                function r(e) {
                    return (r = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ?
                        function(e) {
                            return typeof e
                        } : function(e) {
                            return e && "function" == typeof Symbol && e.constructor ===
                                Symbol &&
                                e !== Symbol.prototype ? "symbol" : typeof e
                        })(e)
                }

                function s(e, t) {
                    var n;
                    if ("undefined" == typeof Symbol || null == e[Symbol.iterator]) {
                        if (Array.isArray(e) || (n = function(e, t) {
                                if (!e) return;
                                if ("string" == typeof e) return i(e, t);
                                var n = Object.prototype.toString.call(e).slice(8, -1);
                                "Object" === n && e.constructor && (n = e.constructor.name);
                                if ("Map" === n || "Set" === n) return Array.from(e);
                                if ("Arguments" === n ||
                                    /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/
                                    .test(n)) return i(e, t)
                            }(e)) || t && e && "number" == typeof e.length) {
                            n && (e = n);
                            var r = 0,
                                s = function() {};
                            return {
                                s: s,
                                n: function() {
                                    return r >= e.length ? {
                                        done: !0
                                    } : {
                                        done: !1,
                                        value: e[r++]
                                    }
                                },
                                e: function(e) {
                                    throw e
                                },
                                f: s
                            }
                        }
                        throw new TypeError(
                            "Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."
                        )
                    }
                    var o, l = !0,
                        u = !1;
                    return {
                        s: function() {
                            n = e[Symbol.iterator]()
                        },
                        n: function() {
                            var e = n.next();
                            return l = e.done, e
                        },
                        e: function(e) {
                            u = !0, o = e
                        },
                        f: function() {
                            try {
                                l || null == n.return || n.return()
                            } finally {
                                if (u) throw o
                            }
                        }
                    }
                }

                function i(e, t) {
                    (null == t || t > e.length) && (t = e.length);
                    for (var n = 0, r = new Array(t); n < t; n++) r[n] = e[n];
                    return r
                }

                function o(e, t) {
                    for (var n = 0; n < t.length; n++) {
                        var r = t[n];
                        r.enumerable = r.enumerable || !1, r.configurable = !0, "value" in r && (r
                            .writable = !0), Object.defineProperty(e, r.key, r)
                    }
                }

                function l(e, t, n) {
                    return t && o(e.prototype, t), n && o(e, n), e
                }

                function u(e, t) {
                    return (u = Object.setPrototypeOf || function(e, t) {
                        return e.__proto__ = t, e
                    })(e, t)
                }

                function a(e) {
                    var t = function() {
                        if ("undefined" == typeof Reflect || !Reflect.construct) return !1;
                        if (Reflect.construct.sham) return !1;
                        if ("function" == typeof Proxy) return !0;
                        try {
                            return Date.prototype.toString.call(Reflect.construct(Date, [],
                                function() {})), !0
                        } catch (e) {
                            return !1
                        }
                    }();
                    return function() {
                        var n, s = c(e);
                        if (t) {
                            var i = c(this).constructor;
                            n = Reflect.construct(s, arguments, i)
                        } else n = s.apply(this, arguments);
                        return function(e, t) {
                            if (t && ("object" === r(t) || "function" == typeof t))
                                return t;
                            return function(e) {
                                if (void 0 === e) throw new ReferenceError(
                                    "this hasn't been initialised - super() hasn't been called"
                                );
                                return e
                            }(e)
                        }(this, n)
                    }
                }

                function c(e) {
                    return (c = Object.setPrototypeOf ? Object.getPrototypeOf : function(e) {
                        return e.__proto__ || Object.getPrototypeOf(e)
                    })(e)
                }
                var h = e("events").EventEmitter,
                    d = e("sdp-transform"),
                    f = e("./Logger"),
                    _ = e("./Constants"),
                    p = e("./Exceptions"),
                    m = e("./Transactions"),
                    v = e("./Utils"),
                    g = e("./Timers"),
                    y = e("./SIPMessage"),
                    T = e("./Dialog"),
                    C = e("./RequestSender"),
                    b = e("./RTCSession/DTMF"),
                    S = e("./RTCSession/Info"),
                    E = e("./RTCSession/ReferNotifier"),
                    A = e("./RTCSession/ReferSubscriber"),
                    R = e("./URI"),
                    w = new f("RTCSession"),
                    I = {
                        STATUS_NULL: 0,
                        STATUS_INVITE_SENT: 1,
                        STATUS_1XX_RECEIVED: 2,
                        STATUS_INVITE_RECEIVED: 3,
                        STATUS_WAITING_FOR_ANSWER: 4,
                        STATUS_ANSWERED: 5,
                        STATUS_WAITING_FOR_ACK: 6,
                        STATUS_CANCELED: 7,
                        STATUS_TERMINATED: 8,
                        STATUS_CONFIRMED: 9
                    },
                    O = ["audio", "video"];
                t.exports = function(e) {
                    ! function(e, t) {
                        if ("function" != typeof t && null !== t) throw new TypeError(
                            "Super expression must either be null or a function");
                        e.prototype = Object.create(t && t.prototype, {
                            constructor: {
                                value: e,
                                writable: !0,
                                configurable: !0
                            }
                        }), t && u(e, t)
                    }(n, h);
                    var t = a(n);

                    function n(e) {
                        var r;
                        return function(e, t) {
                                if (!(e instanceof t)) throw new TypeError(
                                    "Cannot call a class as a function")
                            }(this, n), w.debug("new"), (r = t.call(this))._id = null, r._ua =
                            e, r
                            ._status = I.STATUS_NULL, r._dialog = null, r._earlyDialogs = {}, r
                            ._contact = null, r._from_tag = null, r._to_tag = null, r
                            ._connection =
                            null, r._connectionPromiseQueue = Promise.resolve(), r._request =
                            null,
                            r._is_canceled = !1, r._cancel_reason = "", r._is_confirmed = !1, r
                            ._late_sdp = !1, r._rtcOfferConstraints = null, r
                            ._rtcAnswerConstraints = null, r._localMediaStream = null, r
                            ._localMediaStreamLocallyGenerated = !1, r._rtcReady = !0, r
                            ._iceReady = !1, r._timers = {
                                ackTimer: null,
                                expiresTimer: null,
                                invite2xxTimer: null,
                                userNoAnswerTimer: null
                            }, r._direction = null, r._local_identity = null, r
                            ._remote_identity =
                            null, r._start_time = null, r._end_time = null, r._tones = null, r
                            ._audioMuted = !1, r._videoMuted = !1, r._localHold = !1, r
                            ._remoteHold = !1, r._sessionTimers = {
                                enabled: r._ua.configuration.session_timers,
                                refreshMethod: r._ua.configuration
                                    .session_timers_refresh_method,
                                defaultExpires: _.SESSION_EXPIRES,
                                currentExpires: null,
                                running: !1,
                                refresher: !1,
                                timer: null
                            }, r._referSubscribers = {}, r._data = {}, r
                    }
                    return l(n, null, [{
                        key: "C",
                        get: function() {
                            return I
                        }
                    }]), l(n, [{
                        key: "isInProgress",
                        value: function() {
                            switch (this._status) {
                                case I.STATUS_NULL:
                                case I.STATUS_INVITE_SENT:
                                case I.STATUS_1XX_RECEIVED:
                                case I.STATUS_INVITE_RECEIVED:
                                case I.STATUS_WAITING_FOR_ANSWER:
                                    return !0;
                                default:
                                    return !1
                            }
                        }
                    }, {
                        key: "isEstablished",
                        value: function() {
                            switch (this._status) {
                                case I.STATUS_ANSWERED:
                                case I.STATUS_WAITING_FOR_ACK:
                                case I.STATUS_CONFIRMED:
                                    return !0;
                                default:
                                    return !1
                            }
                        }
                    }, {
                        key: "isEnded",
                        value: function() {
                            switch (this._status) {
                                case I.STATUS_CANCELED:
                                case I.STATUS_TERMINATED:
                                    return !0;
                                default:
                                    return !1
                            }
                        }
                    }, {
                        key: "isMuted",
                        value: function() {
                            return {
                                audio: this._audioMuted,
                                video: this._videoMuted
                            }
                        }
                    }, {
                        key: "isOnHold",
                        value: function() {
                            return {
                                local: this._localHold,
                                remote: this._remoteHold
                            }
                        }
                    }, {
                        key: "connect",
                        value: function(e) {
                            var t = arguments.length > 1 && void 0 !==
                                arguments[
                                    1] ? arguments[1] : {},
                                n = arguments.length > 2 ? arguments[2] :
                                void 0;
                            w.debug("connect()");
                            var r = e,
                                s = v.cloneObject(t.eventHandlers),
                                i = v.cloneArray(t.extraHeaders),
                                o = v.cloneObject(t.mediaConstraints, {
                                    audio: !0,
                                    video: !0
                                }),
                                l = t.mediaStream || null,
                                u = v.cloneObject(t.pcConfig, {
                                    iceServers: []
                                }),
                                a = t.rtcConstraints || null,
                                c = t.rtcOfferConstraints || null;
                            if (this._rtcOfferConstraints = c, this
                                ._rtcAnswerConstraints = t
                                .rtcAnswerConstraints ||
                                null, this._data = t.data || this._data,
                                void 0 ===
                                e) throw new TypeError("Not enough arguments");
                            if (this._status !== I.STATUS_NULL) throw new p
                                .InvalidStateError(this._status);
                            if (!window.RTCPeerConnection) throw new p
                                .NotSupportedError("WebRTC not supported");
                            if (!(e = this._ua.normalizeTarget(e)))
                                throw new TypeError("Invalid target: ".concat(
                                    r));
                            for (var h in this._sessionTimers.enabled && v
                                    .isDecimal(t.sessionTimersExpires) && (t
                                        .sessionTimersExpires >= _
                                        .MIN_SESSION_EXPIRES ? this
                                        ._sessionTimers
                                        .defaultExpires = t
                                        .sessionTimersExpires :
                                        this._sessionTimers.defaultExpires = _
                                        .SESSION_EXPIRES), s) Object.prototype
                                .hasOwnProperty.call(s, h) && this.on(h, s[h]);
                            this._from_tag = v.newTag();
                            var d = t.anonymous || !1,
                                f = {
                                    from_tag: this._from_tag
                                };
                            this._contact = this._ua.contact.toString({
                                    anonymous: d,
                                    outbound: !0
                                }), d ? (f.from_display_name = "Anonymous", f
                                    .from_uri = new R("sip", "anonymous",
                                        "anonymous.invalid"), i.push(
                                        "P-Preferred-Identity: ".concat(this._ua
                                            .configuration.uri.toString())), i
                                    .push(
                                        "Privacy: id")) : t.fromUserName && (f
                                    .from_uri = new R("sip", t.fromUserName,
                                        this
                                        ._ua.configuration.uri.host), i.push(
                                        "P-Preferred-Identity: ".concat(this._ua
                                            .configuration.uri.toString()))), t
                                .fromDisplayName && (f.from_display_name = t
                                    .fromDisplayName), i.push("Contact: "
                                    .concat(
                                        this._contact)), i.push(
                                    "Content-Type: application/sdp"), this
                                ._sessionTimers.enabled && i.push(
                                    "Session-Expires: ".concat(this
                                        ._sessionTimers
                                        .defaultExpires).concat(this._ua
                                        .configuration
                                        .session_timers_force_refresher ?
                                        ";refresher=uac" : "")), this._request =
                                new y.InitialOutgoingInviteRequest(e, this._ua,
                                    f,
                                    i), this._id = this._request.call_id + this
                                ._from_tag, this._createRTCConnection(u, a),
                                this
                                ._direction = "outgoing", this._local_identity =
                                this._request.from, this._remote_identity = this
                                ._request.to, n && n(this), this._newRTCSession(
                                    "local", this._request), this
                                ._sendInitialRequest(o, c, l)
                        }
                    }, {
                        key: "init_incoming",
                        value: function(e, t) {
                            var n, r = this;
                            w.debug("init_incoming()");
                            var s = e.hasHeader("Content-Type") ? e.getHeader(
                                "Content-Type").toLowerCase() : void 0;
                            e.body && "application/sdp" !== s ? e.reply(415) : (
                                this
                                ._status = I.STATUS_INVITE_RECEIVED, this
                                ._from_tag = e.from_tag, this._id = e
                                .call_id +
                                this._from_tag, this._request = e, this
                                ._contact = this._ua.contact.toString(), e
                                .hasHeader("expires") && (n = 1e3 * e
                                    .getHeader(
                                        "expires")), e.to_tag = v.newTag(),
                                this
                                ._createDialog(e, "UAS", !0) ? (e.body ?
                                    this
                                    ._late_sdp = !1 : this._late_sdp = !0,
                                    this
                                    ._status = I.STATUS_WAITING_FOR_ANSWER,
                                    this
                                    ._timers.userNoAnswerTimer = setTimeout(
                                        function() {
                                            e.reply(408), r._failed("local",
                                                null, _.causes.NO_ANSWER
                                            )
                                        }, this._ua.configuration
                                        .no_answer_timeout), n && (this
                                        ._timers
                                        .expiresTimer = setTimeout(
                                            function() {
                                                r._status === I
                                                    .STATUS_WAITING_FOR_ANSWER &&
                                                    (e.reply(487), r
                                                        ._failed(
                                                            "system", null,
                                                            _
                                                            .causes.EXPIRES)
                                                    )
                                            }, n)), this._direction =
                                    "incoming",
                                    this._local_identity = e.to, this
                                    ._remote_identity = e.from, t && t(
                                        this),
                                    this._newRTCSession("remote", e), this
                                    ._status !== I.STATUS_TERMINATED && (e
                                        .reply(180, null, ["Contact: "
                                            .concat(
                                                this._contact)
                                        ]), this._progress(
                                            "local", null))) : e.reply(500,
                                    "Missing Contact header field"))
                        }
                    }, {
                        key: "answer",
                        value: function() {
                            var e = this,
                                t = arguments.length > 0 && void 0 !==
                                arguments[
                                    0] ? arguments[0] : {};
                            w.debug("answer()");
                            var n = this._request,
                                r = v.cloneArray(t.extraHeaders),
                                i = v.cloneObject(t.mediaConstraints),
                                o = t.mediaStream || null,
                                l = v.cloneObject(t.pcConfig, {
                                    iceServers: []
                                }),
                                u = t.rtcConstraints || null,
                                a = t.rtcAnswerConstraints || null,
                                c = v.cloneObject(t.rtcOfferConstraints),
                                h = !1,
                                d = !1,
                                f = !1,
                                m = !1;
                            if (this._rtcAnswerConstraints = a, this
                                ._rtcOfferConstraints = t.rtcOfferConstraints ||
                                null, this._data = t.data || this._data,
                                "incoming" !== this._direction) throw new p
                                .NotSupportedError(
                                    '"answer" not supported for outgoing RTCSession'
                                );
                            if (this._status !== I.STATUS_WAITING_FOR_ANSWER)
                                throw new p.InvalidStateError(this._status);
                            if (this._sessionTimers.enabled && v.isDecimal(t
                                    .sessionTimersExpires) && (t
                                    .sessionTimersExpires >= _
                                    .MIN_SESSION_EXPIRES ?
                                    this._sessionTimers.defaultExpires = t
                                    .sessionTimersExpires : this._sessionTimers
                                    .defaultExpires = _.SESSION_EXPIRES), this
                                ._status = I.STATUS_ANSWERED, this
                                ._createDialog(n,
                                    "UAS")) {
                                clearTimeout(this._timers.userNoAnswerTimer), r
                                    .unshift("Contact: ".concat(this._contact));
                                var g = n.parseSDP();
                                Array.isArray(g.media) || (g.media = [g.media]);
                                var y, T = s(g.media);
                                try {
                                    for (T.s(); !(y = T.n()).done;) {
                                        var C = y.value;
                                        "audio" === C.type && (h = !0, C
                                                .direction && "sendrecv" !== C
                                                .direction || (f = !0)),
                                            "video" ===
                                            C.type && (d = !0, C.direction &&
                                                "sendrecv" !== C.direction || (
                                                    m = !
                                                    0))
                                    }
                                } catch (e) {
                                    T.e(e)
                                } finally {
                                    T.f()
                                }
                                if (o && !1 === i.audio) {
                                    var b, S = s(o.getAudioTracks());
                                    try {
                                        for (S.s(); !(b = S.n()).done;) {
                                            var E = b.value;
                                            o.removeTrack(E)
                                        }
                                    } catch (e) {
                                        S.e(e)
                                    } finally {
                                        S.f()
                                    }
                                }
                                if (o && !1 === i.video) {
                                    var A, R = s(o.getVideoTracks());
                                    try {
                                        for (R.s(); !(A = R.n()).done;) {
                                            var O = A.value;
                                            o.removeTrack(O)
                                        }
                                    } catch (e) {
                                        R.e(e)
                                    } finally {
                                        R.f()
                                    }
                                }
                                o || void 0 !== i.audio || (i.audio = f), o ||
                                    void 0 !== i.video || (i.video = m), o ||
                                    h || c
                                    .offerToReceiveAudio || (i.audio = !1), o ||
                                    d || c.offerToReceiveVideo || (i.video = !
                                        1),
                                    this._createRTCConnection(l, u), Promise
                                    .resolve().then(function() {
                                        return o || (i.audio || i.video ? (e
                                            ._localMediaStreamLocallyGenerated = !
                                            0, navigator
                                            .mediaDevices
                                            .getUserMedia(i).catch(
                                                function(t) {
                                                    if (e
                                                        ._status ===
                                                        I
                                                        .STATUS_TERMINATED
                                                    ) throw new Error(
                                                        "terminated"
                                                    );
                                                    throw n.reply(
                                                            480),
                                                        e._failed(
                                                            "local",
                                                            null, _
                                                            .causes
                                                            .USER_DENIED_MEDIA_ACCESS
                                                        ), w.warn(
                                                            'emit "getusermediafailed" [error:%o]',
                                                            t), e
                                                        .emit(
                                                            "getusermediafailed",
                                                            t),
                                                        new Error(
                                                            "getUserMedia() failed"
                                                        )
                                                })) : void 0)
                                    }).then(function(t) {
                                        if (e._status === I
                                            .STATUS_TERMINATED)
                                            throw new Error("terminated");
                                        e._localMediaStream = t, t && t
                                            .getTracks().forEach(function(
                                                n) {
                                                e._connection.addTrack(
                                                    n, t)
                                            })
                                    }).then(function() {
                                        if (!e._late_sdp) {
                                            var t = {
                                                originator: "remote",
                                                type: "offer",
                                                sdp: n.body
                                            };
                                            w.debug('emit "sdp"'), e.emit(
                                                "sdp",
                                                t);
                                            var r =
                                                new RTCSessionDescription({
                                                    type: "offer",
                                                    sdp: t.sdp
                                                });
                                            return e
                                                ._connectionPromiseQueue = e
                                                ._connectionPromiseQueue
                                                .then(
                                                    function() {
                                                        return e._connection
                                                            .setRemoteDescription(
                                                                r)
                                                    }).catch(function(t) {
                                                    throw n.reply(488),
                                                        e
                                                        ._failed(
                                                            "system",
                                                            null, _
                                                            .causes
                                                            .WEBRTC_ERROR
                                                        ),
                                                        w.warn(
                                                            'emit "peerconnection:setremotedescriptionfailed" [error:%o]',
                                                            t), e.emit(
                                                            "peerconnection:setremotedescriptionfailed",
                                                            t),
                                                        new Error(
                                                            "peerconnection.setRemoteDescription() failed"
                                                        )
                                                }), e
                                                ._connectionPromiseQueue
                                        }
                                    }).then(function() {
                                        if (e._status === I
                                            .STATUS_TERMINATED)
                                            throw new Error("terminated");
                                        return e._connecting(n), e
                                            ._late_sdp ? e
                                            ._createLocalDescription(
                                                "offer", e
                                                ._rtcOfferConstraints)
                                            .catch(
                                                function() {
                                                    throw n.reply(500),
                                                        new Error(
                                                            "_createLocalDescription() failed"
                                                        )
                                                }) : e
                                            ._createLocalDescription(
                                                "answer", a).catch(
                                                function() {
                                                    throw n.reply(500),
                                                        new Error(
                                                            "_createLocalDescription() failed"
                                                        )
                                                })
                                    }).then(function(t) {
                                        if (e._status === I
                                            .STATUS_TERMINATED)
                                            throw new Error("terminated");
                                        e._handleSessionTimersInIncomingRequest(
                                            n, r), n.reply(200, null, r,
                                            t,
                                            function() {
                                                e._status = I
                                                    .STATUS_WAITING_FOR_ACK,
                                                    e
                                                    ._setInvite2xxTimer(
                                                        n,
                                                        t), e
                                                    ._setACKTimer(), e
                                                    ._accepted("local")
                                            },
                                            function() {
                                                e._failed("system",
                                                    null, _
                                                    .causes
                                                    .CONNECTION_ERROR
                                                )
                                            })
                                    }).catch(function(t) {
                                        e._status !== I.STATUS_TERMINATED &&
                                            w
                                            .warn(t)
                                    })
                            } else n.reply(500, "Error creating dialog")
                        }
                    }, {
                        key: "terminate",
                        value: function() {
                            var e = this,
                                t = arguments.length > 0 && void 0 !==
                                arguments[
                                    0] ? arguments[0] : {};
                            w.debug("terminate()");
                            var n, r = t.cause || _.causes.BYE,
                                s = v.cloneArray(t.extraHeaders),
                                i = t.body,
                                o = t.status_code,
                                l = t.reason_phrase;
                            if (this._status === I.STATUS_TERMINATED)
                                throw new p
                                    .InvalidStateError(this._status);
                            switch (this._status) {
                                case I.STATUS_NULL:
                                case I.STATUS_INVITE_SENT:
                                case I.STATUS_1XX_RECEIVED:
                                    if (w.debug("canceling session"), o && (o <
                                            200 || o >= 700))
                                        throw new TypeError(
                                            "Invalid status_code: ".concat(
                                                o));
                                    o && (l = l || _.REASON_PHRASE[o] || "", n =
                                            "SIP ;cause=".concat(o, ' ;text="')
                                            .concat(l, '"')), this._status === I
                                        .STATUS_NULL || this._status === I
                                        .STATUS_INVITE_SENT ? (this
                                            ._is_canceled = !
                                            0, this._cancel_reason = n) : this
                                        ._status === I.STATUS_1XX_RECEIVED &&
                                        this
                                        ._request.cancel(n), this._status = I
                                        .STATUS_CANCELED, this._failed("local",
                                            null, _.causes.CANCELED);
                                    break;
                                case I.STATUS_WAITING_FOR_ANSWER:
                                case I.STATUS_ANSWERED:
                                    if (w.debug("rejecting session"), (o = o ||
                                            480) < 300 || o >= 700)
                                        throw new TypeError(
                                            "Invalid status_code: ".concat(
                                                o));
                                    this._request.reply(o, l, s, i), this
                                        ._failed(
                                            "local", null, _.causes.REJECTED);
                                    break;
                                case I.STATUS_WAITING_FOR_ACK:
                                case I.STATUS_CONFIRMED:
                                    if (w.debug("terminating session"), l = t
                                        .reason_phrase || _.REASON_PHRASE[o] ||
                                        "",
                                        o && (o < 200 || o >= 700))
                                        throw new TypeError(
                                            "Invalid status_code: "
                                            .concat(o));
                                    if (o && s.push("Reason: SIP ;cause="
                                            .concat(o,
                                                '; text="').concat(l, '"')),
                                        this
                                        ._status === I.STATUS_WAITING_FOR_ACK &&
                                        "incoming" === this._direction && this
                                        ._request.server_transaction.state !== m
                                        .C
                                        .STATUS_TERMINATED) {
                                        var u = this._dialog;
                                        this.receiveRequest = function(t) {
                                                t.method === _.ACK && (e
                                                    .sendRequest(_.BYE, {
                                                        extraHeaders: s,
                                                        body: i
                                                    }), u.terminate())
                                            }, this._request.server_transaction
                                            .on(
                                                "stateChanged",
                                                function() {
                                                    e._request
                                                        .server_transaction
                                                        .state === m.C
                                                        .STATUS_TERMINATED && (e
                                                            .sendRequest(_
                                                                .BYE, {
                                                                    extraHeaders: s,
                                                                    body: i
                                                                }), u
                                                            .terminate())
                                                }), this._ended("local", null,
                                                r),
                                            this._dialog = u, this._ua
                                            .newDialog(u)
                                    } else this.sendRequest(_.BYE, {
                                        extraHeaders: s,
                                        body: i
                                    }), this._ended("local", null, r)
                            }
                        }
                    }, {
                        key: "sendDTMF",
                        value: function(e) {
                            var t = arguments.length > 1 && void 0 !==
                                arguments[
                                    1] ? arguments[1] : {};
                            w.debug("sendDTMF() | tones: %s", e);
                            var n = 0,
                                r = t.duration || null,
                                s = t.interToneGap || null,
                                i = t.transportType || _.DTMF_TRANSPORT.INFO;
                            if (void 0 === e) throw new TypeError(
                                "Not enough arguments");
                            if (this._status !== I.STATUS_CONFIRMED && this
                                ._status !== I.STATUS_WAITING_FOR_ACK && this
                                ._status !== I.STATUS_1XX_RECEIVED) throw new p
                                .InvalidStateError(this._status);
                            if (i !== _.DTMF_TRANSPORT.INFO && i !== _
                                .DTMF_TRANSPORT.RFC2833) throw new TypeError(
                                "invalid transportType: ".concat(i));
                            if ("number" == typeof e && (e = e.toString()), !
                                e ||
                                "string" != typeof e || !e.match(
                                    /^[0-9A-DR#*,]+$/i)
                            ) throw new TypeError("Invalid tones: ".concat(e));
                            if (r && !v.isDecimal(r)) throw new TypeError(
                                "Invalid tone duration: ".concat(r));
                            if (r ? r < b.C.MIN_DURATION ? (w.debug(
                                        '"duration" value is lower than the minimum allowed, setting it to '
                                        .concat(b.C.MIN_DURATION,
                                            " milliseconds")),
                                    r = b.C.MIN_DURATION) : r > b.C
                                .MAX_DURATION ? (
                                    w.debug(
                                        '"duration" value is greater than the maximum allowed, setting it to '
                                        .concat(b.C.MAX_DURATION,
                                            " milliseconds")),
                                    r = b.C.MAX_DURATION) : r = Math.abs(r) :
                                r = b
                                .C.DEFAULT_DURATION, t.duration = r, s && !v
                                .isDecimal(s)) throw new TypeError(
                                "Invalid interToneGap: ".concat(s));
                            if (s ? s < b.C.MIN_INTER_TONE_GAP ? (w.debug(
                                        '"interToneGap" value is lower than the minimum allowed, setting it to '
                                        .concat(b.C.MIN_INTER_TONE_GAP,
                                            " milliseconds")), s = b.C
                                    .MIN_INTER_TONE_GAP) : s = Math.abs(s) : s =
                                b.C
                                .DEFAULT_INTER_TONE_GAP, i !== _.DTMF_TRANSPORT
                                .RFC2833) this._tones ? this._tones += e : (this
                                ._tones = e,
                                function e() {
                                    var i = this;
                                    var o;
                                    if (this._status === I
                                        .STATUS_TERMINATED ||
                                        !this._tones || n >= this._tones
                                        .length)
                                        return void(this._tones = null);
                                    var l = this._tones[n];
                                    n += 1;
                                    if ("," === l) o = 2e3;
                                    else {
                                        var u = new b(this);
                                        t.eventHandlers = {
                                            onFailed: function() {
                                                i._tones = null
                                            }
                                        }, u.send(l, t), o = r + s
                                    }
                                    setTimeout(e.bind(this), o)
                                }.call(this));
                            else {
                                var o = this._getDTMFRTPSender();
                                o && (e = o.toneBuffer + e, o.insertDTMF(e, r,
                                    s))
                            }
                        }
                    }, {
                        key: "sendInfo",
                        value: function(e, t) {
                            var n = arguments.length > 2 && void 0 !==
                                arguments[
                                    2] ? arguments[2] : {};
                            if (w.debug("sendInfo()"), this._status !== I
                                .STATUS_CONFIRMED && this._status !== I
                                .STATUS_WAITING_FOR_ACK && this._status !== I
                                .STATUS_1XX_RECEIVED) throw new p
                                .InvalidStateError(
                                    this._status);
                            new S(this).send(e, t, n)
                        }
                    }, {
                        key: "mute",
                        value: function() {
                            var e = arguments.length > 0 && void 0 !==
                                arguments[
                                    0] ? arguments[0] : {
                                    audio: !0,
                                    video: !1
                                };
                            w.debug("mute()");
                            var t = !1,
                                n = !1;
                            !1 === this._audioMuted && e.audio && (t = !0, this
                                    ._audioMuted = !0, this._toggleMuteAudio(!0)
                                ), !
                                1 === this._videoMuted && e.video && (n = !0,
                                    this
                                    ._videoMuted = !0, this._toggleMuteVideo(!0)
                                ), !
                                0 !== t && !0 !== n || this._onmute({
                                    audio: t,
                                    video: n
                                })
                        }
                    }, {
                        key: "unmute",
                        value: function() {
                            var e = arguments.length > 0 && void 0 !==
                                arguments[
                                    0] ? arguments[0] : {
                                    audio: !0,
                                    video: !0
                                };
                            w.debug("unmute()");
                            var t = !1,
                                n = !1;
                            !0 === this._audioMuted && e.audio && (t = !0, this
                                    ._audioMuted = !1, !1 === this._localHold &&
                                    this._toggleMuteAudio(!1)), !0 === this
                                ._videoMuted && e.video && (n = !0, this
                                    ._videoMuted = !1, !1 === this._localHold &&
                                    this._toggleMuteVideo(!1)), !0 !== t && !
                                0 !==
                                n || this._onunmute({
                                    audio: t,
                                    video: n
                                })
                        }
                    }, {
                        key: "hold",
                        value: function() {
                            var e = this,
                                t = arguments.length > 0 && void 0 !==
                                arguments[
                                    0] ? arguments[0] : {},
                                n = arguments.length > 1 ? arguments[1] :
                                void 0;
                            if (w.debug("hold()"), this._status !== I
                                .STATUS_WAITING_FOR_ACK && this._status !== I
                                .STATUS_CONFIRMED) return !1;
                            if (!0 === this._localHold) return !1;
                            if (!this._isReadyToReOffer()) return !1;
                            this._localHold = !0, this._onhold("local");
                            var r = {
                                succeeded: function() {
                                    n && n()
                                },
                                failed: function() {
                                    e.terminate({
                                        cause: _.causes
                                            .WEBRTC_ERROR,
                                        status_code: 500,
                                        reason_phrase: "Hold Failed"
                                    })
                                }
                            };
                            return t.useUpdate ? this._sendUpdate({
                                sdpOffer: !0,
                                eventHandlers: r,
                                extraHeaders: t.extraHeaders
                            }) : this._sendReinvite({
                                eventHandlers: r,
                                extraHeaders: t.extraHeaders
                            }), !0
                        }
                    }, {
                        key: "unhold",
                        value: function() {
                            var e = this,
                                t = arguments.length > 0 && void 0 !==
                                arguments[
                                    0] ? arguments[0] : {},
                                n = arguments.length > 1 ? arguments[1] :
                                void 0;
                            if (w.debug("unhold()"), this._status !== I
                                .STATUS_WAITING_FOR_ACK && this._status !== I
                                .STATUS_CONFIRMED) return !1;
                            if (!1 === this._localHold) return !1;
                            if (!this._isReadyToReOffer()) return !1;
                            this._localHold = !1, this._onunhold("local");
                            var r = {
                                succeeded: function() {
                                    n && n()
                                },
                                failed: function() {
                                    e.terminate({
                                        cause: _.causes
                                            .WEBRTC_ERROR,
                                        status_code: 500,
                                        reason_phrase: "Unhold Failed"
                                    })
                                }
                            };
                            return t.useUpdate ? this._sendUpdate({
                                sdpOffer: !0,
                                eventHandlers: r,
                                extraHeaders: t.extraHeaders
                            }) : this._sendReinvite({
                                eventHandlers: r,
                                extraHeaders: t.extraHeaders
                            }), !0
                        }
                    }, {
                        key: "renegotiate",
                        value: function() {
                            var e = this,
                                t = arguments.length > 0 && void 0 !==
                                arguments[
                                    0] ? arguments[0] : {},
                                n = arguments.length > 1 ? arguments[1] :
                                void 0;
                            w.debug("renegotiate()");
                            var r = t.rtcOfferConstraints || null;
                            if (this._status !== I.STATUS_WAITING_FOR_ACK &&
                                this
                                ._status !== I.STATUS_CONFIRMED) return !1;
                            if (!this._isReadyToReOffer()) return !1;
                            var s = {
                                succeeded: function() {
                                    n && n()
                                },
                                failed: function() {
                                    e.terminate({
                                        cause: _.causes
                                            .WEBRTC_ERROR,
                                        status_code: 500,
                                        reason_phrase: "Media Renegotiation Failed"
                                    })
                                }
                            };
                            return this._setLocalMediaStatus(), t.useUpdate ?
                                this
                                ._sendUpdate({
                                    sdpOffer: !0,
                                    eventHandlers: s,
                                    rtcOfferConstraints: r,
                                    extraHeaders: t.extraHeaders
                                }) : this._sendReinvite({
                                    eventHandlers: s,
                                    rtcOfferConstraints: r,
                                    extraHeaders: t.extraHeaders
                                }), !0
                        }
                    }, {
                        key: "refer",
                        value: function(e, t) {
                            var n = this;
                            w.debug("refer()");
                            var r = e;
                            if (this._status !== I.STATUS_WAITING_FOR_ACK &&
                                this
                                ._status !== I.STATUS_CONFIRMED) return !1;
                            if (!(e = this._ua.normalizeTarget(e)))
                                throw new TypeError("Invalid target: ".concat(
                                    r));
                            var s = new A(this);
                            s.sendRefer(e, t);
                            var i = s.id;
                            return this._referSubscribers[i] = s, s.on(
                                "requestFailed",
                                function() {
                                    delete n._referSubscribers[i]
                                }), s.on("accepted", function() {
                                delete n._referSubscribers[i]
                            }), s.on("failed", function() {
                                delete n._referSubscribers[i]
                            }), s
                        }
                    }, {
                        key: "sendRequest",
                        value: function(e, t) {
                            return w.debug("sendRequest()"), this._dialog
                                .sendRequest(e, t)
                        }
                    }, {
                        key: "receiveRequest",
                        value: function(e) {
                            var t = this;
                            if (w.debug("receiveRequest()"), e.method === _
                                .CANCEL)
                                this._status !== I.STATUS_WAITING_FOR_ANSWER &&
                                this
                                ._status !== I.STATUS_ANSWERED || (this
                                    ._status = I
                                    .STATUS_CANCELED, this._request.reply(487),
                                    this
                                    ._failed("remote", e, _.causes.CANCELED));
                            else switch (e.method) {
                                case _.ACK:
                                    if (this._status !== I
                                        .STATUS_WAITING_FOR_ACK) return;
                                    if (this._status = I.STATUS_CONFIRMED,
                                        clearTimeout(this._timers.ackTimer),
                                        clearTimeout(this._timers
                                            .invite2xxTimer), this._late_sdp
                                    ) {
                                        if (!e.body) {
                                            this.terminate({
                                                cause: _.causes
                                                    .MISSING_SDP,
                                                status_code: 400
                                            });
                                            break
                                        }
                                        var n = {
                                            originator: "remote",
                                            type: "answer",
                                            sdp: e.body
                                        };
                                        w.debug('emit "sdp"'), this.emit(
                                            "sdp",
                                            n);
                                        var r = new RTCSessionDescription({
                                            type: "answer",
                                            sdp: n.sdp
                                        });
                                        this._connectionPromiseQueue = this
                                            ._connectionPromiseQueue.then(
                                                function() {
                                                    return t._connection
                                                        .setRemoteDescription(
                                                            r)
                                                }).then(function() {
                                                t._is_confirmed || t
                                                    ._confirmed(
                                                        "remote", e)
                                            }).catch(function(e) {
                                                t.terminate({
                                                    cause: _
                                                        .causes
                                                        .BAD_MEDIA_DESCRIPTION,
                                                    status_code: 488
                                                }), w.warn(
                                                    'emit "peerconnection:setremotedescriptionfailed" [error:%o]',
                                                    e), t.emit(
                                                    "peerconnection:setremotedescriptionfailed",
                                                    e)
                                            })
                                    } else this._is_confirmed || this
                                        ._confirmed("remote", e);
                                    break;
                                case _.BYE:
                                    this._status === I.STATUS_CONFIRMED ||
                                        this
                                        ._status === I
                                        .STATUS_WAITING_FOR_ACK ?
                                        (e.reply(200), this._ended("remote",
                                            e,
                                            _.causes.BYE)) : this
                                        ._status === I
                                        .STATUS_INVITE_RECEIVED || this
                                        ._status === I
                                        .STATUS_WAITING_FOR_ANSWER ? (e
                                            .reply(
                                                200), this._request.reply(
                                                487,
                                                "BYE Received"), this
                                            ._ended(
                                                "remote", e, _.causes.BYE)
                                        ) : e
                                        .reply(403, "Wrong Status");
                                    break;
                                case _.INVITE:
                                    this._status === I.STATUS_CONFIRMED ? e
                                        .hasHeader("replaces") ? this
                                        ._receiveReplaces(e) : this
                                        ._receiveReinvite(e) : e.reply(403,
                                            "Wrong Status");
                                    break;
                                case _.INFO:
                                    if (this._status === I
                                        .STATUS_1XX_RECEIVED || this
                                        ._status ===
                                        I.STATUS_WAITING_FOR_ANSWER || this
                                        ._status === I.STATUS_ANSWERED ||
                                        this
                                        ._status === I
                                        .STATUS_WAITING_FOR_ACK ||
                                        this._status === I.STATUS_CONFIRMED
                                    ) {
                                        var s = e.hasHeader(
                                                "Content-Type") ? e
                                            .getHeader("Content-Type")
                                            .toLowerCase() : void 0;
                                        s && s.match(
                                                /^application\/dtmf-relay/i
                                            ) ?
                                            new b(this).init_incoming(e) :
                                            void 0 !== s ? new S(this)
                                            .init_incoming(e) : e.reply(415)
                                    } else e.reply(403, "Wrong Status");
                                    break;
                                case _.UPDATE:
                                    this._status === I.STATUS_CONFIRMED ?
                                        this
                                        ._receiveUpdate(e) : e.reply(403,
                                            "Wrong Status");
                                    break;
                                case _.REFER:
                                    this._status === I.STATUS_CONFIRMED ?
                                        this
                                        ._receiveRefer(e) : e.reply(403,
                                            "Wrong Status");
                                    break;
                                case _.NOTIFY:
                                    this._status === I.STATUS_CONFIRMED ?
                                        this
                                        ._receiveNotify(e) : e.reply(403,
                                            "Wrong Status");
                                    break;
                                default:
                                    e.reply(501)
                            }
                        }
                    }, {
                        key: "onTransportError",
                        value: function() {
                            w.warn("onTransportError()"), this._status !== I
                                .STATUS_TERMINATED && this.terminate({
                                    status_code: 500,
                                    reason_phrase: _.causes
                                        .CONNECTION_ERROR,
                                    cause: _.causes.CONNECTION_ERROR
                                })
                        }
                    }, {
                        key: "onRequestTimeout",
                        value: function() {
                            w.warn("onRequestTimeout()"), this._status !== I
                                .STATUS_TERMINATED && this.terminate({
                                    status_code: 408,
                                    reason_phrase: _.causes.REQUEST_TIMEOUT,
                                    cause: _.causes.REQUEST_TIMEOUT
                                })
                        }
                    }, {
                        key: "onDialogError",
                        value: function() {
                            w.warn("onDialogError()"), this._status !== I
                                .STATUS_TERMINATED && this.terminate({
                                    status_code: 500,
                                    reason_phrase: _.causes.DIALOG_ERROR,
                                    cause: _.causes.DIALOG_ERROR
                                })
                        }
                    }, {
                        key: "newDTMF",
                        value: function(e) {
                            w.debug("newDTMF()"), this.emit("newDTMF", e)
                        }
                    }, {
                        key: "newInfo",
                        value: function(e) {
                            w.debug("newInfo()"), this.emit("newInfo", e)
                        }
                    }, {
                        key: "_isReadyToReOffer",
                        value: function() {
                            return this._rtcReady ? this._dialog ? !0 !== this
                                ._dialog.uac_pending_reply && !0 !== this
                                ._dialog
                                .uas_pending_reply || (w.debug(
                                    "_isReadyToReOffer() | there is another INVITE/UPDATE transaction in progress"
                                ), !1) : (w.debug(
                                    "_isReadyToReOffer() | session not established yet"
                                ), !1) : (w.debug(
                                    "_isReadyToReOffer() | internal WebRTC status not ready"
                                ), !1)
                        }
                    }, {
                        key: "_close",
                        value: function() {
                            if (w.debug("close()"), this._localMediaStream &&
                                this
                                ._localMediaStreamLocallyGenerated && (w.debug(
                                        "close() | closing local MediaStream"),
                                    v
                                    .closeMediaStream(this._localMediaStream)),
                                this
                                ._status !== I.STATUS_TERMINATED) {
                                if (this._status = I.STATUS_TERMINATED, this
                                    ._connection) try {
                                    this._connection.close()
                                } catch (e) {
                                    w.warn("close() | error closing the RTCPeerConnection: %o",
                                        e)
                                }
                                for (var e in this._timers) Object.prototype
                                    .hasOwnProperty.call(this._timers, e) &&
                                    clearTimeout(this._timers[e]);
                                for (var t in clearTimeout(this._sessionTimers
                                            .timer), this._dialog && (this
                                            ._dialog
                                            .terminate(), delete this._dialog),
                                        this
                                        ._earlyDialogs) Object.prototype
                                    .hasOwnProperty.call(this._earlyDialogs,
                                        t) && (
                                        this._earlyDialogs[t].terminate(),
                                        delete this._earlyDialogs[t]);
                                for (var n in this._referSubscribers) Object
                                    .prototype.hasOwnProperty.call(this
                                        ._referSubscribers, n) && delete this
                                    ._referSubscribers[n];
                                this._ua.destroyRTCSession(this)
                            }
                        }
                    }, {
                        key: "_setInvite2xxTimer",
                        value: function(e, t) {
                            var n = g.T1;
                            this._timers.invite2xxTimer = setTimeout(
                                function r() {
                                    this._status === I
                                        .STATUS_WAITING_FOR_ACK &&
                                        (e.reply(200, null, ["Contact: "
                                                .concat(
                                                    this._contact)
                                            ], t), n < g.T2 &&
                                            (n *= 2) > g.T2 && (n = g.T2),
                                            this
                                            ._timers.invite2xxTimer =
                                            setTimeout(r.bind(this), n))
                                }.bind(this), n)
                        }
                    }, {
                        key: "_setACKTimer",
                        value: function() {
                            var e = this;
                            this._timers.ackTimer = setTimeout(function() {
                                e._status === I
                                    .STATUS_WAITING_FOR_ACK && (w
                                        .debug(
                                            "no ACK received, terminating the session"
                                        ), clearTimeout(e._timers
                                            .invite2xxTimer), e
                                        .sendRequest(
                                            _.BYE), e._ended("remote",
                                            null,
                                            _.causes.NO_ACK))
                            }, g.TIMER_H)
                        }
                    }, {
                        key: "_createRTCConnection",
                        value: function(e, t) {
                            var n = this;
                            this._connection = new RTCPeerConnection(e, t), this
                                ._connection.addEventListener(
                                    "iceconnectionstatechange",
                                    function() {
                                        "failed" === n._connection
                                            .iceConnectionState && n.terminate({
                                                cause: _.causes.RTP_TIMEOUT,
                                                status_code: 408,
                                                reason_phrase: _.causes
                                                    .RTP_TIMEOUT
                                            })
                                    }), w.debug('emit "peerconnection"'), this
                                .emit(
                                    "peerconnection", {
                                        peerconnection: this._connection
                                    })
                        }
                    }, {
                        key: "_createLocalDescription",
                        value: function(e, t) {
                            var n = this;
                            if (w.debug("createLocalDescription()"), "offer" !==
                                e && "answer" !== e) throw new Error(
                                'createLocalDescription() | invalid type "'
                                .concat(e, '"'));
                            var r = this._connection;
                            return this._rtcReady = !1, Promise.resolve().then(
                                function() {
                                    return "offer" === e ? r.createOffer(t)
                                        .catch(function(e) {
                                            return w.warn(
                                                'emit "peerconnection:createofferfailed" [error:%o]',
                                                e), n.emit(
                                                "peerconnection:createofferfailed",
                                                e), Promise.reject(
                                                e)
                                        }) : r.createAnswer(t).catch(
                                            function(
                                                e) {
                                                return w.warn(
                                                    'emit "peerconnection:createanswerfailed" [error:%o]',
                                                    e), n.emit(
                                                    "peerconnection:createanswerfailed",
                                                    e), Promise.reject(
                                                    e)
                                            })
                                }).then(function(e) {
                                return r.setLocalDescription(e).catch(
                                    function(e) {
                                        return n._rtcReady = !0, w
                                            .warn(
                                                'emit "peerconnection:setlocaldescriptionfailed" [error:%o]',
                                                e), n.emit(
                                                "peerconnection:setlocaldescriptionfailed",
                                                e), Promise.reject(
                                                e)
                                    })
                            }).then(function() {
                                var s = t && t.iceRestart;
                                if ("complete" === r
                                    .iceGatheringState && !
                                    s || "gathering" === r
                                    .iceGatheringState && n._iceReady) {
                                    n._rtcReady = !0;
                                    var i = {
                                        originator: "local",
                                        type: e,
                                        sdp: r.localDescription.sdp
                                    };
                                    return w.debug('emit "sdp"'), n
                                        .emit(
                                            "sdp", i), Promise.resolve(i
                                            .sdp)
                                }
                                return new Promise(function(t) {
                                    var s, i, o = !1;
                                    n._iceReady = !1;
                                    var l = function() {
                                        r.removeEventListener(
                                                "icecandidate",
                                                s), r
                                            .removeEventListener(
                                                "icegatheringstatechange",
                                                i), o = !0,
                                            n
                                            ._rtcReady = !0,
                                            n
                                            ._iceReady = !0;
                                        var l = {
                                            originator: "local",
                                            type: e,
                                            sdp: r
                                                .localDescription
                                                .sdp
                                        };
                                        w.debug(
                                                'emit "sdp"'
                                            ),
                                            n
                                            .emit("sdp", l),
                                            t(l
                                                .sdp)
                                    };
                                    r.addEventListener(
                                            "icecandidate", s =
                                            function(e) {
                                                var t = e
                                                    .candidate;
                                                t ? n.emit(
                                                        "icecandidate", {
                                                            candidate: t,
                                                            ready: l
                                                        }) :
                                                    o ||
                                                    l()
                                            }), r
                                        .addEventListener(
                                            "icegatheringstatechange",
                                            i = function() {
                                                "complete" !== r
                                                    .iceGatheringState ||
                                                    o || l()
                                            })
                                })
                            })
                        }
                    }, {
                        key: "_createDialog",
                        value: function(e, t, n) {
                            var r = "UAS" === t ? e.to_tag : e.from_tag,
                                s = "UAS" === t ? e.from_tag : e.to_tag,
                                i = e.call_id + r + s,
                                o = this._earlyDialogs[i];
                            if (n) return !!o || ((o = new T(this, e, t, T.C
                                .STATUS_EARLY)).error ? (w.debug(o
                                .error), this._failed("remote",
                                e, _
                                .causes.INTERNAL_ERROR), !1) : (this
                                ._earlyDialogs[i] = o, !0));
                            if (this._from_tag = e.from_tag, this._to_tag = e
                                .to_tag, o) return o.update(e, t), this
                                ._dialog = o,
                                delete this._earlyDialogs[i], !0;
                            var l = new T(this, e, t);
                            return l.error ? (w.debug(l.error), this._failed(
                                    "remote", e, _.causes.INTERNAL_ERROR), !
                                1) : (
                                this._dialog = l, !0)
                        }
                    }, {
                        key: "_receiveReinvite",
                        value: function(e) {
                            var t = this;
                            w.debug("receiveReinvite()");
                            var n = e.hasHeader("Content-Type") ? e.getHeader(
                                    "Content-Type").toLowerCase() : void 0,
                                r = {
                                    request: e,
                                    callback: void 0,
                                    reject: function() {
                                        var t = arguments.length > 0 &&
                                            void 0 !== arguments[0] ?
                                            arguments[
                                                0] : {};
                                        s = !0;
                                        var n = t.status_code || 403,
                                            r = t.reason_phrase || "",
                                            i = v.cloneArray(t
                                                .extraHeaders);
                                        if (this._status !== I
                                            .STATUS_CONFIRMED)
                                            return !1;
                                        if (n < 300 || n >= 700)
                                            throw new TypeError(
                                                "Invalid status_code: "
                                                .concat(n));
                                        e.reply(n, r, i)
                                    }.bind(this)
                                },
                                s = !1;
                            if (this.emit("reinvite", r), !s) {
                                if (this._late_sdp = !1, !e.body) return this
                                    ._late_sdp = !0, this._remoteHold && (
                                        this
                                        ._remoteHold = !1, this._onunhold(
                                            "remote")), void(this
                                        ._connectionPromiseQueue = this
                                        ._connectionPromiseQueue.then(
                                            function() {
                                                return t
                                                    ._createLocalDescription(
                                                        "offer", t
                                                        ._rtcOfferConstraints
                                                    )
                                            }).then(function(e) {
                                            i.call(t, e)
                                        }).catch(function() {
                                            e.reply(500)
                                        }));
                                if ("application/sdp" !== n) return w.debug(
                                        "invalid Content-Type"), void e
                                    .reply(
                                        415);
                                this._processInDialogSdpOffer(e).then(function(
                                    e) {
                                    t._status !== I.STATUS_TERMINATED &&
                                        i
                                        .call(t, e)
                                }).catch(function(e) {
                                    w.warn(e)
                                })
                            }

                            function i(t) {
                                var n = this,
                                    s = ["Contact: ".concat(this._contact)];
                                this._handleSessionTimersInIncomingRequest(e,
                                        s),
                                    this._late_sdp && (t = this._mangleOffer(
                                        t)), e
                                    .reply(200, null, s, t, function() {
                                        n._status = I
                                            .STATUS_WAITING_FOR_ACK, n
                                            ._setInvite2xxTimer(e, t), n
                                            ._setACKTimer()
                                    }), "function" == typeof r.callback && r
                                    .callback()
                            }
                        }
                    }, {
                        key: "_receiveUpdate",
                        value: function(e) {
                            var t = this;
                            w.debug("receiveUpdate()");
                            var n = e.hasHeader("Content-Type") ? e.getHeader(
                                    "Content-Type").toLowerCase() : void 0,
                                r = {
                                    request: e,
                                    callback: void 0,
                                    reject: function() {
                                        var t = arguments.length > 0 &&
                                            void 0 !== arguments[0] ?
                                            arguments[
                                                0] : {};
                                        s = !0;
                                        var n = t.status_code || 403,
                                            r = t.reason_phrase || "",
                                            i = v.cloneArray(t
                                                .extraHeaders);
                                        if (this._status !== I
                                            .STATUS_CONFIRMED)
                                            return !1;
                                        if (n < 300 || n >= 700)
                                            throw new TypeError(
                                                "Invalid status_code: "
                                                .concat(n));
                                        e.reply(n, r, i)
                                    }.bind(this)
                                },
                                s = !1;
                            if (this.emit("update", r), !s)
                                if (e.body) {
                                    if ("application/sdp" !== n) return w.debug(
                                            "invalid Content-Type"), void e
                                        .reply(415);
                                    this._processInDialogSdpOffer(e).then(
                                        function(
                                            e) {
                                            t._status !== I
                                                .STATUS_TERMINATED &&
                                                i.call(t, e)
                                        }).catch(function(e) {
                                        w.warn(e)
                                    })
                                } else i.call(this, null);

                            function i(t) {
                                var n = ["Contact: ".concat(this._contact)];
                                this._handleSessionTimersInIncomingRequest(e,
                                        n), e
                                    .reply(200, null, n, t), "function" ==
                                    typeof r
                                    .callback && r.callback()
                            }
                        }
                    }, {
                        key: "_processInDialogSdpOffer",
                        value: function(e) {
                            var t = this;
                            w.debug("_processInDialogSdpOffer()");
                            var n, r = e.parseSDP(),
                                i = !1,
                                o = s(r.media);
                            try {
                                for (o.s(); !(n = o.n()).done;) {
                                    var l = n.value;
                                    if (-1 !== O.indexOf(l.type)) {
                                        var u = l.direction || r.direction ||
                                            "sendrecv";
                                        if ("sendonly" !== u && "inactive" !==
                                            u) {
                                            i = !1;
                                            break
                                        }
                                        i = !0
                                    }
                                }
                            } catch (e) {
                                o.e(e)
                            } finally {
                                o.f()
                            }
                            var a = {
                                originator: "remote",
                                type: "offer",
                                sdp: e.body
                            };
                            w.debug('emit "sdp"'), this.emit("sdp", a);
                            var c = new RTCSessionDescription({
                                type: "offer",
                                sdp: a.sdp
                            });
                            return this._connectionPromiseQueue = this
                                ._connectionPromiseQueue.then(function() {
                                    if (t._status === I.STATUS_TERMINATED)
                                        throw new Error("terminated");
                                    return t._connection
                                        .setRemoteDescription(c)
                                        .catch(function(n) {
                                            throw e.reply(488), w.warn(
                                                'emit "peerconnection:setremotedescriptionfailed" [error:%o]',
                                                n), t.emit(
                                                "peerconnection:setremotedescriptionfailed",
                                                n), n
                                        })
                                }).then(function() {
                                    if (t._status === I.STATUS_TERMINATED)
                                        throw new Error("terminated");
                                    !0 === t._remoteHold && !1 === i ? (t
                                            ._remoteHold = !1, t._onunhold(
                                                "remote")) : !1 === t
                                        ._remoteHold && !0 === i && (t
                                            ._remoteHold = !0, t._onhold(
                                                "remote"))
                                }).then(function() {
                                    if (t._status === I.STATUS_TERMINATED)
                                        throw new Error("terminated");
                                    return t._createLocalDescription(
                                        "answer", t
                                        ._rtcAnswerConstraints).catch(
                                        function(t) {
                                            throw e.reply(500), w.warn(
                                                'emit "peerconnection:createtelocaldescriptionfailed" [error:%o]',
                                                t), t
                                        })
                                }).catch(function(e) {
                                    w.warn("_processInDialogSdpOffer() failed [error: %o]",
                                        e)
                                }), this._connectionPromiseQueue
                        }
                    }, {
                        key: "_receiveRefer",
                        value: function(e) {
                            var t = this;
                            if (w.debug("receiveRefer()"), !e.refer_to) return w
                                .debug(
                                    "no Refer-To header field present in REFER"
                                ), void e.reply(400);
                            if (e.refer_to.uri.scheme !== _.SIP) return w.debug(
                                "Refer-To header field points to a non-SIP URI scheme"
                            ), void e.reply(416);
                            e.reply(202);
                            var r = new E(this, e.cseq);
                            w.debug('emit "refer"'), this.emit("refer", {
                                request: e,
                                accept: function(s, i) {
                                    (function(t) {
                                        var s = arguments
                                            .length >
                                            1 && void 0 !==
                                            arguments[1] ?
                                            arguments[1] : {};
                                        if (t = "function" ==
                                            typeof t ? t : null,
                                            this._status !== I
                                            .STATUS_WAITING_FOR_ACK &&
                                            this._status !== I
                                            .STATUS_CONFIRMED)
                                            return !1;
                                        var i = new n(this._ua);
                                        if (i.on("progress",
                                                function(e) {
                                                    var t = e
                                                        .response;
                                                    r.notify(t
                                                        .status_code,
                                                        t
                                                        .reason_phrase
                                                    )
                                                }), i.on(
                                                "accepted",
                                                function(e) {
                                                    var t = e
                                                        .response;
                                                    r.notify(t
                                                        .status_code,
                                                        t
                                                        .reason_phrase
                                                    )
                                                }), i.on(
                                                "_failed",
                                                function(e) {
                                                    var t = e
                                                        .message,
                                                        n = e
                                                        .cause;
                                                    t ? r
                                                        .notify(
                                                            t
                                                            .status_code,
                                                            t
                                                            .reason_phrase
                                                        ) : r
                                                        .notify(
                                                            487,
                                                            n)
                                                }), e.refer_to
                                            .uri
                                            .hasHeader(
                                                "replaces")
                                        ) {
                                            var o =
                                                decodeURIComponent(
                                                    e
                                                    .refer_to
                                                    .uri
                                                    .getHeader(
                                                        "replaces"
                                                    )
                                                );
                                            s.extraHeaders = v
                                                .cloneArray(s
                                                    .extraHeaders
                                                ),
                                                s.extraHeaders
                                                .push(
                                                    "Replaces: "
                                                    .concat(o))
                                        }
                                        i.connect(e.refer_to.uri
                                            .toAor(), s, t)
                                    }).call(t, s, i)
                                },
                                reject: function() {
                                    (function() {
                                        r.notify(603)
                                    }).call(t)
                                }
                            })
                        }
                    }, {
                        key: "_receiveNotify",
                        value: function(e) {
                            switch (w.debug("receiveNotify()"), e.event || e
                                .reply(
                                    400), e.event.event) {
                                case "refer":
                                    var t, n;
                                    if (e.event.params && e.event.params.id) t =
                                        e
                                        .event.params.id, n = this
                                        ._referSubscribers[t];
                                    else {
                                        if (1 !== Object.keys(this
                                                ._referSubscribers).length)
                                            return void e.reply(400,
                                                "Missing event id parameter"
                                            );
                                        n = this._referSubscribers[Object.keys(
                                            this
                                            ._referSubscribers)[0]]
                                    }
                                    if (!n) return void e.reply(481,
                                        "Subscription does not exist");
                                    n.receiveNotify(e), e.reply(200);
                                    break;
                                default:
                                    e.reply(489)
                            }
                        }
                    }, {
                        key: "_receiveReplaces",
                        value: function(e) {
                            var t = this;
                            w.debug("receiveReplaces()"), this.emit(
                                "replaces", {
                                    request: e,
                                    accept: function(r) {
                                        (function(t) {
                                            var r = this;
                                            if (this._status !== I
                                                .STATUS_WAITING_FOR_ACK &&
                                                this._status !== I
                                                .STATUS_CONFIRMED)
                                                return !1;
                                            var s = new n(this._ua);
                                            s.on("confirmed",
                                                    function() {
                                                        r.terminate()
                                                    }), s
                                                .init_incoming(e,
                                                    t)
                                        }).call(t, r)
                                    },
                                    reject: function() {
                                        (function() {
                                            w.debug(
                                                    "Replaced INVITE rejected by the user"
                                                ),
                                                e.reply(486)
                                        }).call(t)
                                    }
                                })
                        }
                    }, {
                        key: "_sendInitialRequest",
                        value: function(e, t, n) {
                            var r = this,
                                s = new C(this._ua, this._request, {
                                    onRequestTimeout: function() {
                                        r.onRequestTimeout()
                                    },
                                    onTransportError: function() {
                                        r.onTransportError()
                                    },
                                    onAuthenticated: function(e) {
                                        r._request = e
                                    },
                                    onReceiveResponse: function(e) {
                                        r._receiveInviteResponse(e)
                                    }
                                });
                            Promise.resolve().then(function() {
                                return n || (e.audio || e.video ? (r
                                    ._localMediaStreamLocallyGenerated = !
                                    0, navigator.mediaDevices
                                    .getUserMedia(e).catch(
                                        function(
                                            e) {
                                            if (r._status === I
                                                .STATUS_TERMINATED
                                            )
                                                throw new Error(
                                                    "terminated"
                                                );
                                            throw r._failed(
                                                "local",
                                                null, _
                                                .causes
                                                .USER_DENIED_MEDIA_ACCESS
                                            ), w.warn(
                                                'emit "getusermediafailed" [error:%o]',
                                                e), r.emit(
                                                "getusermediafailed",
                                                e), e
                                        })) : void 0)
                            }).then(function(e) {
                                if (r._status === I.STATUS_TERMINATED)
                                    throw new Error("terminated");
                                return r._localMediaStream = e, e && e
                                    .getTracks().forEach(function(t) {
                                        r._connection.addTrack(t, e)
                                    }), r._connecting(r._request), r
                                    ._createLocalDescription("offer", t)
                                    .catch(function(e) {
                                        throw r._failed("local",
                                            null, _
                                            .causes.WEBRTC_ERROR
                                        ), e
                                    })
                            }).then(function(e) {
                                if (r._is_canceled || r._status === I
                                    .STATUS_TERMINATED) throw new Error(
                                    "terminated");
                                r._request.body = e, r._status = I
                                    .STATUS_INVITE_SENT, w.debug(
                                        'emit "sending" [request:%o]', r
                                        ._request), r.emit("sending", {
                                        request: r._request
                                    }), s.send()
                            }).catch(function(e) {
                                r._status !== I.STATUS_TERMINATED && w
                                    .warn(
                                        e)
                            })
                        }
                    }, {
                        key: "_getDTMFRTPSender",
                        value: function() {
                            var e = this._connection.getSenders().find(function(
                                e) {
                                return e.track && "audio" === e.track
                                    .kind
                            });
                            if (e && e.dtmf) return e.dtmf;
                            w.warn(
                                "sendDTMF() | no local audio track to send DTMF with"
                            )
                        }
                    }, {
                        key: "_receiveInviteResponse",
                        value: function(e) {
                            var t = this;
                            if (w.debug("receiveInviteResponse()"), this
                                ._dialog &&
                                e.status_code >= 200 && e.status_code <= 299) {
                                if (this._dialog.id.call_id === e.call_id &&
                                    this
                                    ._dialog.id.local_tag === e.from_tag && this
                                    ._dialog.id.remote_tag === e.to_tag)
                                    return void this.sendRequest(_.ACK);
                                var n = new T(this, e, "UAC");
                                return void 0 !== n.error ? void w.debug(n
                                        .error) :
                                    (this.sendRequest(_.ACK), void this
                                        .sendRequest(
                                            _.BYE))
                            }
                            if (this._is_canceled) e.status_code >= 100 && e
                                .status_code < 200 ? this._request.cancel(this
                                    ._cancel_reason) : e.status_code >= 200 && e
                                .status_code < 299 && this._acceptAndTerminate(
                                    e);
                            else if (this._status === I.STATUS_INVITE_SENT ||
                                this
                                ._status === I.STATUS_1XX_RECEIVED) switch (!
                                0) {
                                case /^100$/.test(e.status_code):
                                    this._status = I.STATUS_1XX_RECEIVED;
                                    break;
                                case /^1[0-9]{2}$/.test(e.status_code):
                                    if (!e.to_tag) {
                                        w.debug(
                                            "1xx response received without to tag"
                                        );
                                        break
                                    }
                                    if (e.hasHeader("contact") && !this
                                        ._createDialog(e, "UAC", !0)) break;
                                    if (this._status = I
                                        .STATUS_1XX_RECEIVED, !e
                                        .body) {
                                        this._progress("remote", e);
                                        break
                                    }
                                    var r = {
                                        originator: "remote",
                                        type: "answer",
                                        sdp: e.body
                                    };
                                    w.debug('emit "sdp"'), this.emit("sdp",
                                        r);
                                    var s = new RTCSessionDescription({
                                        type: "answer",
                                        sdp: r.sdp
                                    });
                                    this._connectionPromiseQueue = this
                                        ._connectionPromiseQueue.then(
                                            function() {
                                                return t._connection
                                                    .setRemoteDescription(s)
                                            }).then(function() {
                                            return t._progress("remote",
                                                e)
                                        }).catch(function(e) {
                                            w.warn('emit "peerconnection:setremotedescriptionfailed" [error:%o]',
                                                e), t.emit(
                                                "peerconnection:setremotedescriptionfailed",
                                                e)
                                        });
                                    break;
                                case /^2[0-9]{2}$/.test(e.status_code):
                                    if (this._status = I.STATUS_CONFIRMED, !
                                        e
                                        .body) {
                                        this._acceptAndTerminate(e, 400, _
                                                .causes.MISSING_SDP), this
                                            ._failed("remote", e, _.causes
                                                .BAD_MEDIA_DESCRIPTION);
                                        break
                                    }
                                    if (!this._createDialog(e, "UAC"))
                                        break;
                                    var i = {
                                        originator: "remote",
                                        type: "answer",
                                        sdp: e.body
                                    };
                                    w.debug('emit "sdp"'), this.emit("sdp",
                                        i);
                                    var o = new RTCSessionDescription({
                                        type: "answer",
                                        sdp: i.sdp
                                    });
                                    this._connectionPromiseQueue = this
                                        ._connectionPromiseQueue.then(
                                            function() {
                                                if ("stable" === t
                                                    ._connection
                                                    .signalingState)
                                                    return t
                                                        ._connection
                                                        .createOffer(t
                                                            ._rtcOfferConstraints
                                                        ).then(function(e) {
                                                            return t
                                                                ._connection
                                                                .setLocalDescription(
                                                                    e)
                                                        }).catch(function(
                                                            n) {
                                                            t._acceptAndTerminate(
                                                                    e,
                                                                    500,
                                                                    n
                                                                    .toString()
                                                                ), t
                                                                ._failed(
                                                                    "local",
                                                                    e, _
                                                                    .causes
                                                                    .WEBRTC_ERROR
                                                                )
                                                        })
                                            }).then(function() {
                                            t._connection
                                                .setRemoteDescription(o)
                                                .then(function() {
                                                    t._handleSessionTimersInIncomingResponse(
                                                            e), t
                                                        ._accepted(
                                                            "remote",
                                                            e
                                                        ), t
                                                        .sendRequest(
                                                            _
                                                            .ACK), t
                                                        ._confirmed(
                                                            "local",
                                                            null)
                                                }).catch(function(n) {
                                                    t._acceptAndTerminate(
                                                            e, 488,
                                                            "Not Acceptable Here"
                                                        ), t
                                                        ._failed(
                                                            "remote",
                                                            e,
                                                            _.causes
                                                            .BAD_MEDIA_DESCRIPTION
                                                        ), w.warn(
                                                            'emit "peerconnection:setremotedescriptionfailed" [error:%o]',
                                                            n), t
                                                        .emit(
                                                            "peerconnection:setremotedescriptionfailed",
                                                            n)
                                                })
                                        });
                                    break;
                                default:
                                    var l = v.sipErrorCause(e.status_code);
                                    this._failed("remote", e, l)
                            }
                        }
                    }, {
                        key: "_sendReinvite",
                        value: function() {
                            var e = this,
                                t = arguments.length > 0 && void 0 !==
                                arguments[
                                    0] ? arguments[0] : {};
                            w.debug("sendReinvite()");
                            var n = v.cloneArray(t.extraHeaders),
                                r = v.cloneObject(t.eventHandlers),
                                s = t.rtcOfferConstraints || this
                                ._rtcOfferConstraints || null,
                                i = !1;

                            function o(e) {
                                r.failed && r.failed(e)
                            }
                            n.push("Contact: ".concat(this._contact)), n.push(
                                    "Content-Type: application/sdp"), this
                                ._sessionTimers.running && n.push(
                                    "Session-Expires: ".concat(this
                                        ._sessionTimers
                                        .currentExpires, ";refresher=").concat(
                                        this
                                        ._sessionTimers.refresher ? "uac" :
                                        "uas")),
                                this._connectionPromiseQueue = this
                                ._connectionPromiseQueue.then(function() {
                                    return e._createLocalDescription(
                                        "offer", s)
                                }).then(function(t) {
                                    var s = {
                                        originator: "local",
                                        type: "offer",
                                        sdp: t = e._mangleOffer(t)
                                    };
                                    w.debug('emit "sdp"'), e.emit("sdp", s),
                                        e
                                        .sendRequest(_.INVITE, {
                                            extraHeaders: n,
                                            body: t,
                                            eventHandlers: {
                                                onSuccessResponse: function(
                                                    t) {
                                                    (function(e) {
                                                        var t =
                                                            this;
                                                        if (this
                                                            ._status ===
                                                            I
                                                            .STATUS_TERMINATED
                                                        )
                                                            return;
                                                        if (this
                                                            .sendRequest(
                                                                _
                                                                .ACK
                                                            ), i
                                                        )
                                                            return;
                                                        if (this
                                                            ._handleSessionTimersInIncomingResponse(
                                                                e
                                                            ),
                                                            !e
                                                            .body
                                                        )
                                                            return void o
                                                                .call(
                                                                    this
                                                                );
                                                        if (!e
                                                            .hasHeader(
                                                                "Content-Type"
                                                            ) ||
                                                            "application/sdp" !==
                                                            e
                                                            .getHeader(
                                                                "Content-Type"
                                                            )
                                                            .toLowerCase()
                                                        ) return void o
                                                            .call(
                                                                this
                                                            );
                                                        var n = {
                                                            originator: "remote",
                                                            type: "answer",
                                                            sdp: e
                                                                .body
                                                        };
                                                        w.debug(
                                                                'emit "sdp"'
                                                            ),
                                                            this
                                                            .emit(
                                                                "sdp",
                                                                n
                                                            );
                                                        var s =
                                                            new RTCSessionDescription({
                                                                type: "answer",
                                                                sdp: n
                                                                    .sdp
                                                            });
                                                        this._connectionPromiseQueue =
                                                            this
                                                            ._connectionPromiseQueue
                                                            .then(
                                                                function() {
                                                                    return t
                                                                        ._connection
                                                                        .setRemoteDescription(
                                                                            s
                                                                        )
                                                                }
                                                            )
                                                            .then(
                                                                function() {
                                                                    r.succeeded &&
                                                                        r
                                                                        .succeeded(
                                                                            e
                                                                        )
                                                                }
                                                            )
                                                            .catch(
                                                                function(
                                                                    e
                                                                ) {
                                                                    o.call(
                                                                            t
                                                                        ),
                                                                        w
                                                                        .warn(
                                                                            'emit "peerconnection:setremotedescriptionfailed" [error:%o]',
                                                                            e
                                                                        ),
                                                                        t
                                                                        .emit(
                                                                            "peerconnection:setremotedescriptionfailed",
                                                                            e
                                                                        )
                                                                }
                                                            )
                                                    }).call(e, t),
                                                        i = !
                                                        0
                                                },
                                                onErrorResponse: function(
                                                    t) {
                                                    o.call(e, t)
                                                },
                                                onTransportError: function() {
                                                    e.onTransportError()
                                                },
                                                onRequestTimeout: function() {
                                                    e.onRequestTimeout()
                                                },
                                                onDialogError: function() {
                                                    e.onDialogError()
                                                }
                                            }
                                        })
                                }).catch(function() {
                                    o()
                                })
                        }
                    }, {
                        key: "_sendUpdate",
                        value: function() {
                            var e = this,
                                t = arguments.length > 0 && void 0 !==
                                arguments[
                                    0] ? arguments[0] : {};
                            w.debug("sendUpdate()");
                            var n = v.cloneArray(t.extraHeaders),
                                r = v.cloneObject(t.eventHandlers),
                                s = t.rtcOfferConstraints || this
                                ._rtcOfferConstraints || null,
                                i = t.sdpOffer || !1,
                                o = !1;

                            function l(e) {
                                var t = this;
                                if (this._status !== I.STATUS_TERMINATED && !o)
                                    if (this
                                        ._handleSessionTimersInIncomingResponse(
                                            e), i) {
                                        if (!e.body) return void u.call(this);
                                        if (!e.hasHeader("Content-Type") ||
                                            "application/sdp" !== e.getHeader(
                                                "Content-Type").toLowerCase())
                                            return void u.call(this);
                                        var n = {
                                            originator: "remote",
                                            type: "answer",
                                            sdp: e.body
                                        };
                                        w.debug('emit "sdp"'), this.emit("sdp",
                                            n);
                                        var s = new RTCSessionDescription({
                                            type: "answer",
                                            sdp: n.sdp
                                        });
                                        this._connectionPromiseQueue = this
                                            ._connectionPromiseQueue.then(
                                                function() {
                                                    return t._connection
                                                        .setRemoteDescription(s)
                                                }).then(function() {
                                                r.succeeded && r.succeeded(
                                                    e)
                                            }).catch(function(e) {
                                                u.call(t), w.warn(
                                                    'emit "peerconnection:setremotedescriptionfailed" [error:%o]',
                                                    e), t.emit(
                                                    "peerconnection:setremotedescriptionfailed",
                                                    e)
                                            })
                                    } else r.succeeded && r.succeeded(e)
                            }

                            function u(e) {
                                r.failed && r.failed(e)
                            }
                            n.push("Contact: ".concat(this._contact)), this
                                ._sessionTimers.running && n.push(
                                    "Session-Expires: ".concat(this
                                        ._sessionTimers
                                        .currentExpires, ";refresher=").concat(
                                        this
                                        ._sessionTimers.refresher ? "uac" :
                                        "uas")),
                                i ? (n.push("Content-Type: application/sdp"),
                                    this
                                    ._connectionPromiseQueue = this
                                    ._connectionPromiseQueue.then(function() {
                                        return e._createLocalDescription(
                                            "offer", s)
                                    }).then(function(t) {
                                        var r = {
                                            originator: "local",
                                            type: "offer",
                                            sdp: t = e._mangleOffer(t)
                                        };
                                        w.debug('emit "sdp"'), e.emit("sdp",
                                                r),
                                            e.sendRequest(_.UPDATE, {
                                                extraHeaders: n,
                                                body: t,
                                                eventHandlers: {
                                                    onSuccessResponse: function(
                                                        t) {
                                                        l.call(e,
                                                                t),
                                                            o = !0
                                                    },
                                                    onErrorResponse: function(
                                                        t) {
                                                        u.call(e, t)
                                                    },
                                                    onTransportError: function() {
                                                        e.onTransportError()
                                                    },
                                                    onRequestTimeout: function() {
                                                        e.onRequestTimeout()
                                                    },
                                                    onDialogError: function() {
                                                        e.onDialogError()
                                                    }
                                                }
                                            })
                                    }).catch(function() {
                                        u.call(e)
                                    })) : this.sendRequest(_.UPDATE, {
                                    extraHeaders: n,
                                    eventHandlers: {
                                        onSuccessResponse: function(t) {
                                            l.call(e, t)
                                        },
                                        onErrorResponse: function(t) {
                                            u.call(e, t)
                                        },
                                        onTransportError: function() {
                                            e.onTransportError()
                                        },
                                        onRequestTimeout: function() {
                                            e.onRequestTimeout()
                                        },
                                        onDialogError: function() {
                                            e.onDialogError()
                                        }
                                    }
                                })
                        }
                    }, {
                        key: "_acceptAndTerminate",
                        value: function(e, t, n) {
                            w.debug("acceptAndTerminate()");
                            var r = [];
                            t && (n = n || _.REASON_PHRASE[t] || "", r.push(
                                "Reason: SIP ;cause=".concat(t,
                                    '; text="')
                                .concat(n, '"'))), (this._dialog || this
                                ._createDialog(e, "UAC")) && (this
                                .sendRequest(_
                                    .ACK), this.sendRequest(_.BYE, {
                                    extraHeaders: r
                                })), this._status = I.STATUS_TERMINATED
                        }
                    }, {
                        key: "_mangleOffer",
                        value: function(e) {
                            if (!this._localHold && !this._remoteHold) return e;
                            if (e = d.parse(e), this._localHold && !this
                                ._remoteHold) {
                                w.debug(
                                    "mangleOffer() | me on hold, mangling offer"
                                );
                                var t, n = s(e.media);
                                try {
                                    for (n.s(); !(t = n.n()).done;) {
                                        var r = t.value; - 1 !== O.indexOf(r
                                            .type) && (r.direction ?
                                            "sendrecv" ===
                                            r.direction ? r.direction =
                                            "sendonly" : "recvonly" === r
                                            .direction && (r.direction =
                                                "inactive") : r.direction =
                                            "sendonly")
                                    }
                                } catch (e) {
                                    n.e(e)
                                } finally {
                                    n.f()
                                }
                            } else if (this._localHold && this._remoteHold) {
                                w.debug(
                                    "mangleOffer() | both on hold, mangling offer"
                                );
                                var i, o = s(e.media);
                                try {
                                    for (o.s(); !(i = o.n()).done;) {
                                        var l = i.value; - 1 !== O.indexOf(l
                                            .type) && (l.direction =
                                            "inactive")
                                    }
                                } catch (e) {
                                    o.e(e)
                                } finally {
                                    o.f()
                                }
                            } else if (this._remoteHold) {
                                w.debug(
                                    "mangleOffer() | remote on hold, mangling offer"
                                );
                                var u, a = s(e.media);
                                try {
                                    for (a.s(); !(u = a.n()).done;) {
                                        var c = u.value; - 1 !== O.indexOf(c
                                            .type) && (c.direction ?
                                            "sendrecv" ===
                                            c.direction ? c.direction =
                                            "recvonly" : "recvonly" === c
                                            .direction && (c.direction =
                                                "inactive") : c.direction =
                                            "recvonly")
                                    }
                                } catch (e) {
                                    a.e(e)
                                } finally {
                                    a.f()
                                }
                            }
                            return d.write(e)
                        }
                    }, {
                        key: "_setLocalMediaStatus",
                        value: function() {
                            var e = !0,
                                t = !0;
                            (this._localHold || this._remoteHold) && (e = !1,
                                t = !
                                1), this._audioMuted && (e = !1), this
                                ._videoMuted && (t = !1), this._toggleMuteAudio(
                                    !e),
                                this._toggleMuteVideo(!t)
                        }
                    }, {
                        key: "_handleSessionTimersInIncomingRequest",
                        value: function(e, t) {
                            var n;
                            this._sessionTimers.enabled && (e.session_expires &&
                                e
                                .session_expires >= _.MIN_SESSION_EXPIRES ?
                                (
                                    this._sessionTimers.currentExpires = e
                                    .session_expires, n = e
                                    .session_expires_refresher || "uas") : (
                                    this
                                    ._sessionTimers.currentExpires = this
                                    ._sessionTimers.defaultExpires, n =
                                    "uas"),
                                t.push("Session-Expires: ".concat(this
                                    ._sessionTimers.currentExpires,
                                    ";refresher=").concat(n)), this
                                ._sessionTimers.refresher = "uas" === n,
                                this
                                ._runSessionTimer())
                        }
                    }, {
                        key: "_handleSessionTimersInIncomingResponse",
                        value: function(e) {
                            var t;
                            this._sessionTimers.enabled && (e.session_expires &&
                                e
                                .session_expires >= _.MIN_SESSION_EXPIRES ?
                                (
                                    this._sessionTimers.currentExpires = e
                                    .session_expires, t = e
                                    .session_expires_refresher || "uac") : (
                                    this
                                    ._sessionTimers.currentExpires = this
                                    ._sessionTimers.defaultExpires, t =
                                    "uac"),
                                this._sessionTimers.refresher = "uac" === t,
                                this._runSessionTimer())
                        }
                    }, {
                        key: "_runSessionTimer",
                        value: function() {
                            var e = this,
                                t = this._sessionTimers.currentExpires;
                            this._sessionTimers.running = !0, clearTimeout(this
                                    ._sessionTimers.timer), this._sessionTimers
                                .refresher ? this._sessionTimers.timer =
                                setTimeout(
                                    function() {
                                        e._status !== I.STATUS_TERMINATED && e
                                            ._isReadyToReOffer() && (w.debug(
                                                    "runSessionTimer() | sending session refresh request"
                                                ), e._sessionTimers
                                                .refreshMethod === _.UPDATE ? e
                                                ._sendUpdate() : e
                                                ._sendReinvite())
                                    }, 500 * t) : this._sessionTimers.timer =
                                setTimeout(function() {
                                    e._status !== I.STATUS_TERMINATED && (w
                                        .warn(
                                            "runSessionTimer() | timer expired, terminating the session"
                                        ), e.terminate({
                                            cause: _.causes
                                                .REQUEST_TIMEOUT,
                                            status_code: 408,
                                            reason_phrase: "Session Timer Expired"
                                        }))
                                }, 1100 * t)
                        }
                    }, {
                        key: "_toggleMuteAudio",
                        value: function(e) {
                            var t, n = s(this._connection.getSenders().filter(
                                function(e) {
                                    return e.track && "audio" === e
                                        .track
                                        .kind
                                }));
                            try {
                                for (n.s(); !(t = n.n()).done;) {
                                    t.value.track.enabled = !e
                                }
                            } catch (e) {
                                n.e(e)
                            } finally {
                                n.f()
                            }
                        }
                    }, {
                        key: "_toggleMuteVideo",
                        value: function(e) {
                            var t, n = s(this._connection.getSenders().filter(
                                function(e) {
                                    return e.track && "video" === e
                                        .track
                                        .kind
                                }));
                            try {
                                for (n.s(); !(t = n.n()).done;) {
                                    t.value.track.enabled = !e
                                }
                            } catch (e) {
                                n.e(e)
                            } finally {
                                n.f()
                            }
                        }
                    }, {
                        key: "_newRTCSession",
                        value: function(e, t) {
                            w.debug("newRTCSession()"), this._ua.newRTCSession(
                                this, {
                                    originator: e,
                                    session: this,
                                    request: t
                                })
                        }
                    }, {
                        key: "_connecting",
                        value: function(e) {
                            w.debug("session connecting"), w.debug(
                                'emit "connecting"'), this.emit(
                                "connecting", {
                                    request: e
                                })
                        }
                    }, {
                        key: "_progress",
                        value: function(e, t) {
                            w.debug("session progress"), w.debug(
                                    'emit "progress"'),
                                this.emit("progress", {
                                    originator: e,
                                    response: t || null
                                })
                        }
                    }, {
                        key: "_accepted",
                        value: function(e, t) {
                            w.debug("session accepted"), this._start_time =
                                new Date, w.debug('emit "accepted"'), this.emit(
                                    "accepted", {
                                        originator: e,
                                        response: t || null
                                    })
                        }
                    }, {
                        key: "_confirmed",
                        value: function(e, t) {
                            w.debug("session confirmed"), this._is_confirmed = !
                                0, w
                                .debug('emit "confirmed"'), this.emit(
                                    "confirmed", {
                                        originator: e,
                                        ack: t || null
                                    })
                        }
                    }, {
                        key: "_ended",
                        value: function(e, t, n) {
                            w.debug("session ended"), this._end_time = new Date,
                                this._close(), w.debug('emit "ended"'), this
                                .emit(
                                    "ended", {
                                        originator: e,
                                        message: t || null,
                                        cause: n
                                    })
                        }
                    }, {
                        key: "_failed",
                        value: function(e, t, n) {
                            w.debug("session failed"), w.debug(
                                    'emit "_failed"'),
                                this.emit("_failed", {
                                    originator: e,
                                    message: t || null,
                                    cause: n
                                }), this._close(), w.debug('emit "failed"'),
                                this
                                .emit("failed", {
                                    originator: e,
                                    message: t || null,
                                    cause: n
                                })
                        }
                    }, {
                        key: "_onhold",
                        value: function(e) {
                            w.debug("session onhold"), this
                                ._setLocalMediaStatus(),
                                w.debug('emit "hold"'), this.emit("hold", {
                                    originator: e
                                })
                        }
                    }, {
                        key: "_onunhold",
                        value: function(e) {
                            w.debug("session onunhold"), this
                                ._setLocalMediaStatus(), w.debug(
                                    'emit "unhold"'), this
                                .emit("unhold", {
                                    originator: e
                                })
                        }
                    }, {
                        key: "_onmute",
                        value: function(e) {
                            var t = e.audio,
                                n = e.video;
                            w.debug("session onmute"), this
                                ._setLocalMediaStatus(),
                                w.debug('emit "muted"'), this.emit("muted", {
                                    audio: t,
                                    video: n
                                })
                        }
                    }, {
                        key: "_onunmute",
                        value: function(e) {
                            var t = e.audio,
                                n = e.video;
                            w.debug("session onunmute"), this
                                ._setLocalMediaStatus(), w.debug(
                                    'emit "unmuted"'), this
                                .emit("unmuted", {
                                    audio: t,
                                    video: n
                                })
                        }
                    }, {
                        key: "C",
                        get: function() {
                            return I
                        }
                    }, {
                        key: "causes",
                        get: function() {
                            return _.causes
                        }
                    }, {
                        key: "id",
                        get: function() {
                            return this._id
                        }
                    }, {
                        key: "connection",
                        get: function() {
                            return this._connection
                        }
                    }, {
                        key: "contact",
                        get: function() {
                            return this._contact
                        }
                    }, {
                        key: "direction",
                        get: function() {
                            return this._direction
                        }
                    }, {
                        key: "local_identity",
                        get: function() {
                            return this._local_identity
                        }
                    }, {
                        key: "remote_identity",
                        get: function() {
                            return this._remote_identity
                        }
                    }, {
                        key: "start_time",
                        get: function() {
                            return this._start_time
                        }
                    }, {
                        key: "end_time",
                        get: function() {
                            return this._end_time
                        }
                    }, {
                        key: "data",
                        get: function() {
                            return this._data
                        },
                        set: function(e) {
                            this._data = e
                        }
                    }, {
                        key: "status",
                        get: function() {
                            return this._status
                        }
                    }]), n
                }()
            }, {
                "./Constants": 2,
                "./Dialog": 3,
                "./Exceptions": 6,
                "./Logger": 9,
                "./RTCSession/DTMF": 15,
                "./RTCSession/Info": 16,
                "./RTCSession/ReferNotifier": 17,
                "./RTCSession/ReferSubscriber": 18,
                "./RequestSender": 20,
                "./SIPMessage": 21,
                "./Timers": 23,
                "./Transactions": 24,
                "./URI": 27,
                "./Utils": 28,
                events: 31,
                "sdp-transform": 37
            }],
            15: [function(e, t, n) {
                "use strict";

                function r(e) {
                    return (r = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ?
                        function(e) {
                            return typeof e
                        } : function(e) {
                            return e && "function" == typeof Symbol && e.constructor ===
                                Symbol &&
                                e !== Symbol.prototype ? "symbol" : typeof e
                        })(e)
                }

                function s(e, t) {
                    for (var n = 0; n < t.length; n++) {
                        var r = t[n];
                        r.enumerable = r.enumerable || !1, r.configurable = !0, "value" in r && (r
                            .writable = !0), Object.defineProperty(e, r.key, r)
                    }
                }

                function i(e, t) {
                    return (i = Object.setPrototypeOf || function(e, t) {
                        return e.__proto__ = t, e
                    })(e, t)
                }

                function o(e) {
                    var t = function() {
                        if ("undefined" == typeof Reflect || !Reflect.construct) return !1;
                        if (Reflect.construct.sham) return !1;
                        if ("function" == typeof Proxy) return !0;
                        try {
                            return Date.prototype.toString.call(Reflect.construct(Date, [],
                                function() {})), !0
                        } catch (e) {
                            return !1
                        }
                    }();
                    return function() {
                        var n, s = l(e);
                        if (t) {
                            var i = l(this).constructor;
                            n = Reflect.construct(s, arguments, i)
                        } else n = s.apply(this, arguments);
                        return function(e, t) {
                            if (t && ("object" === r(t) || "function" == typeof t))
                                return t;
                            return function(e) {
                                if (void 0 === e) throw new ReferenceError(
                                    "this hasn't been initialised - super() hasn't been called"
                                );
                                return e
                            }(e)
                        }(this, n)
                    }
                }

                function l(e) {
                    return (l = Object.setPrototypeOf ? Object.getPrototypeOf : function(e) {
                        return e.__proto__ || Object.getPrototypeOf(e)
                    })(e)
                }
                var u = e("events").EventEmitter,
                    a = e("../Logger"),
                    c = e("../Constants"),
                    h = e("../Exceptions"),
                    d = e("../Utils"),
                    f = new a("RTCSession:DTMF"),
                    _ = {
                        MIN_DURATION: 70,
                        MAX_DURATION: 6e3,
                        DEFAULT_DURATION: 100,
                        MIN_INTER_TONE_GAP: 50,
                        DEFAULT_INTER_TONE_GAP: 500
                    };
                t.exports = function(e) {
                    ! function(e, t) {
                        if ("function" != typeof t && null !== t) throw new TypeError(
                            "Super expression must either be null or a function");
                        e.prototype = Object.create(t && t.prototype, {
                            constructor: {
                                value: e,
                                writable: !0,
                                configurable: !0
                            }
                        }), t && i(e, t)
                    }(a, u);
                    var t, n, r, l = o(a);

                    function a(e) {
                        var t;
                        return function(e, t) {
                                if (!(e instanceof t)) throw new TypeError(
                                    "Cannot call a class as a function")
                            }(this, a), (t = l.call(this))._session = e, t._direction = null, t
                            ._tone = null, t._duration = null, t._request = null, t
                    }
                    return t = a, (n = [{
                        key: "send",
                        value: function(e) {
                            var t = this,
                                n = arguments.length > 1 && void 0 !==
                                arguments[
                                    1] ? arguments[1] : {};
                            if (void 0 === e) throw new TypeError(
                                "Not enough arguments");
                            if (this._direction = "outgoing", this._session
                                .status !== this._session.C.STATUS_CONFIRMED &&
                                this
                                ._session.status !== this._session.C
                                .STATUS_WAITING_FOR_ACK) throw new h
                                .InvalidStateError(this._session.status);
                            var r = d.cloneArray(n.extraHeaders);
                            if (this.eventHandlers = d.cloneObject(n
                                    .eventHandlers),
                                "string" == typeof e) e = e.toUpperCase();
                            else {
                                if ("number" != typeof e) throw new TypeError(
                                    "Invalid tone: ".concat(e));
                                e = e.toString()
                            }
                            if (!e.match(/^[0-9A-DR#*]$/)) throw new TypeError(
                                "Invalid tone: ".concat(e));
                            this._tone = e, this._duration = n.duration, r.push(
                                "Content-Type: application/dtmf-relay");
                            var s = "Signal=".concat(this._tone, "\r\n");
                            s += "Duration=".concat(this._duration), this
                                ._session
                                .newDTMF({
                                    originator: "local",
                                    dtmf: this,
                                    request: this._request
                                }), this._session.sendRequest(c.INFO, {
                                    extraHeaders: r,
                                    eventHandlers: {
                                        onSuccessResponse: function(e) {
                                            t.emit("succeeded", {
                                                originator: "remote",
                                                response: e
                                            })
                                        },
                                        onErrorResponse: function(e) {
                                            t.eventHandlers.onFailed &&
                                                t
                                                .eventHandlers
                                                .onFailed(), t
                                                .emit("failed", {
                                                    originator: "remote",
                                                    response: e
                                                })
                                        },
                                        onRequestTimeout: function() {
                                            t._session
                                                .onRequestTimeout()
                                        },
                                        onTransportError: function() {
                                            t._session
                                                .onTransportError()
                                        },
                                        onDialogError: function() {
                                            t._session.onDialogError()
                                        }
                                    },
                                    body: s
                                })
                        }
                    }, {
                        key: "init_incoming",
                        value: function(e) {
                            var t = /^(Signal\s*?=\s*?)([0-9A-D#*]{1})(\s)?.*/,
                                n = /^(Duration\s?=\s?)([0-9]{1,4})(\s)?.*/;
                            if (this._direction = "incoming", this._request = e,
                                e
                                .reply(200), e.body) {
                                var r = e.body.split("\n");
                                r.length >= 1 && t.test(r[0]) && (this._tone =
                                        r[0]
                                        .replace(t, "$2")), r.length >= 2 && n
                                    .test(
                                        r[1]) && (this._duration = parseInt(r[1]
                                        .replace(n, "$2"), 10))
                            }
                            this._duration || (this._duration = _
                                    .DEFAULT_DURATION),
                                this._tone ? this._session.newDTMF({
                                    originator: "remote",
                                    dtmf: this,
                                    request: e
                                }) : f.debug(
                                    "invalid INFO DTMF received, discarded")
                        }
                    }, {
                        key: "tone",
                        get: function() {
                            return this._tone
                        }
                    }, {
                        key: "duration",
                        get: function() {
                            return this._duration
                        }
                    }]) && s(t.prototype, n), r && s(t, r), a
                }(), t.exports.C = _
            }, {
                "../Constants": 2,
                "../Exceptions": 6,
                "../Logger": 9,
                "../Utils": 28,
                events: 31
            }],
            16: [function(e, t, n) {
                "use strict";

                function r(e) {
                    return (r = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ?
                        function(e) {
                            return typeof e
                        } : function(e) {
                            return e && "function" == typeof Symbol && e.constructor ===
                                Symbol &&
                                e !== Symbol.prototype ? "symbol" : typeof e
                        })(e)
                }

                function s(e, t) {
                    for (var n = 0; n < t.length; n++) {
                        var r = t[n];
                        r.enumerable = r.enumerable || !1, r.configurable = !0, "value" in r && (r
                            .writable = !0), Object.defineProperty(e, r.key, r)
                    }
                }

                function i(e, t) {
                    return (i = Object.setPrototypeOf || function(e, t) {
                        return e.__proto__ = t, e
                    })(e, t)
                }

                function o(e) {
                    var t = function() {
                        if ("undefined" == typeof Reflect || !Reflect.construct) return !1;
                        if (Reflect.construct.sham) return !1;
                        if ("function" == typeof Proxy) return !0;
                        try {
                            return Date.prototype.toString.call(Reflect.construct(Date, [],
                                function() {})), !0
                        } catch (e) {
                            return !1
                        }
                    }();
                    return function() {
                        var n, s = l(e);
                        if (t) {
                            var i = l(this).constructor;
                            n = Reflect.construct(s, arguments, i)
                        } else n = s.apply(this, arguments);
                        return function(e, t) {
                            if (t && ("object" === r(t) || "function" == typeof t))
                                return t;
                            return function(e) {
                                if (void 0 === e) throw new ReferenceError(
                                    "this hasn't been initialised - super() hasn't been called"
                                );
                                return e
                            }(e)
                        }(this, n)
                    }
                }

                function l(e) {
                    return (l = Object.setPrototypeOf ? Object.getPrototypeOf : function(e) {
                        return e.__proto__ || Object.getPrototypeOf(e)
                    })(e)
                }
                var u = e("events").EventEmitter,
                    a = e("../Constants"),
                    c = e("../Exceptions"),
                    h = e("../Utils");
                t.exports = function(e) {
                    ! function(e, t) {
                        if ("function" != typeof t && null !== t) throw new TypeError(
                            "Super expression must either be null or a function");
                        e.prototype = Object.create(t && t.prototype, {
                            constructor: {
                                value: e,
                                writable: !0,
                                configurable: !0
                            }
                        }), t && i(e, t)
                    }(d, u);
                    var t, n, r, l = o(d);

                    function d(e) {
                        var t;
                        return function(e, t) {
                                if (!(e instanceof t)) throw new TypeError(
                                    "Cannot call a class as a function")
                            }(this, d), (t = l.call(this))._session = e, t._direction = null, t
                            ._contentType = null, t._body = null, t
                    }
                    return t = d, (n = [{
                        key: "send",
                        value: function(e, t) {
                            var n = this,
                                r = arguments.length > 2 && void 0 !==
                                arguments[
                                    2] ? arguments[2] : {};
                            if (this._direction = "outgoing", void 0 === e)
                                throw new TypeError("Not enough arguments");
                            if (this._session.status !== this._session.C
                                .STATUS_CONFIRMED && this._session.status !==
                                this
                                ._session.C.STATUS_WAITING_FOR_ACK) throw new c
                                .InvalidStateError(this._session.status);
                            this._contentType = e, this._body = t;
                            var s = h.cloneArray(r.extraHeaders);
                            s.push("Content-Type: ".concat(e)), this._session
                                .newInfo({
                                    originator: "local",
                                    info: this,
                                    request: this.request
                                }), this._session.sendRequest(a.INFO, {
                                    extraHeaders: s,
                                    eventHandlers: {
                                        onSuccessResponse: function(e) {
                                            n.emit("succeeded", {
                                                originator: "remote",
                                                response: e
                                            })
                                        },
                                        onErrorResponse: function(e) {
                                            n.emit("failed", {
                                                originator: "remote",
                                                response: e
                                            })
                                        },
                                        onTransportError: function() {
                                            n._session
                                                .onTransportError()
                                        },
                                        onRequestTimeout: function() {
                                            n._session
                                                .onRequestTimeout()
                                        },
                                        onDialogError: function() {
                                            n._session.onDialogError()
                                        }
                                    },
                                    body: t
                                })
                        }
                    }, {
                        key: "init_incoming",
                        value: function(e) {
                            this._direction = "incoming", this.request = e, e
                                .reply(
                                    200), this._contentType = e.hasHeader(
                                    "Content-Type") ? e.getHeader(
                                    "Content-Type")
                                .toLowerCase() : void 0, this._body = e.body,
                                this
                                ._session.newInfo({
                                    originator: "remote",
                                    info: this,
                                    request: e
                                })
                        }
                    }, {
                        key: "contentType",
                        get: function() {
                            return this._contentType
                        }
                    }, {
                        key: "body",
                        get: function() {
                            return this._body
                        }
                    }]) && s(t.prototype, n), r && s(t, r), d
                }()
            }, {
                "../Constants": 2,
                "../Exceptions": 6,
                "../Utils": 28,
                events: 31
            }],
            17: [function(e, t, n) {
                "use strict";

                function r(e, t) {
                    for (var n = 0; n < t.length; n++) {
                        var r = t[n];
                        r.enumerable = r.enumerable || !1, r.configurable = !0, "value" in r && (r
                            .writable = !0), Object.defineProperty(e, r.key, r)
                    }
                }
                var s = e("../Logger"),
                    i = e("../Constants"),
                    o = new s("RTCSession:ReferNotifier"),
                    l = {
                        event_type: "refer",
                        body_type: "message/sipfrag;version=2.0",
                        expires: 300
                    };
                t.exports = function() {
                    function e(t, n, r) {
                        ! function(e, t) {
                            if (!(e instanceof t)) throw new TypeError(
                                "Cannot call a class as a function")
                        }(this, e), this._session = t, this._id = n, this._expires = r || l
                            .expires,
                            this._active = !0, this.notify(100)
                    }
                    var t, n, s;
                    return t = e, (n = [{
                        key: "notify",
                        value: function(e, t) {
                            var n;
                            (o.debug("notify()"), !1 !== this._active) && (t =
                                t ||
                                i.REASON_PHRASE[e] || "", n = e >= 200 ?
                                "terminated;reason=noresource" :
                                "active;expires="
                                .concat(this._expires), this._session
                                .sendRequest(i
                                    .NOTIFY, {
                                        extraHeaders: ["Event: ".concat(l
                                                .event_type, ";id=").concat(
                                                this
                                                ._id),
                                            "Subscription-State: "
                                            .concat(n), "Content-Type: "
                                            .concat(
                                                l.body_type)
                                        ],
                                        body: "SIP/2.0 ".concat(e, " ").concat(
                                            t),
                                        eventHandlers: {
                                            onErrorResponse: function() {
                                                this._active = !1
                                            }
                                        }
                                    }))
                        }
                    }]) && r(t.prototype, n), s && r(t, s), e
                }()
            }, {
                "../Constants": 2,
                "../Logger": 9
            }],
            18: [function(e, t, n) {
                "use strict";

                function r(e) {
                    return (r = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ?
                        function(e) {
                            return typeof e
                        } : function(e) {
                            return e && "function" == typeof Symbol && e.constructor ===
                                Symbol &&
                                e !== Symbol.prototype ? "symbol" : typeof e
                        })(e)
                }

                function s(e, t) {
                    for (var n = 0; n < t.length; n++) {
                        var r = t[n];
                        r.enumerable = r.enumerable || !1, r.configurable = !0, "value" in r && (r
                            .writable = !0), Object.defineProperty(e, r.key, r)
                    }
                }

                function i(e, t) {
                    return (i = Object.setPrototypeOf || function(e, t) {
                        return e.__proto__ = t, e
                    })(e, t)
                }

                function o(e) {
                    var t = function() {
                        if ("undefined" == typeof Reflect || !Reflect.construct) return !1;
                        if (Reflect.construct.sham) return !1;
                        if ("function" == typeof Proxy) return !0;
                        try {
                            return Date.prototype.toString.call(Reflect.construct(Date, [],
                                function() {})), !0
                        } catch (e) {
                            return !1
                        }
                    }();
                    return function() {
                        var n, s = l(e);
                        if (t) {
                            var i = l(this).constructor;
                            n = Reflect.construct(s, arguments, i)
                        } else n = s.apply(this, arguments);
                        return function(e, t) {
                            if (t && ("object" === r(t) || "function" == typeof t))
                                return t;
                            return function(e) {
                                if (void 0 === e) throw new ReferenceError(
                                    "this hasn't been initialised - super() hasn't been called"
                                );
                                return e
                            }(e)
                        }(this, n)
                    }
                }

                function l(e) {
                    return (l = Object.setPrototypeOf ? Object.getPrototypeOf : function(e) {
                        return e.__proto__ || Object.getPrototypeOf(e)
                    })(e)
                }
                var u = e("events").EventEmitter,
                    a = e("../Logger"),
                    c = e("../Constants"),
                    h = e("../Grammar"),
                    d = e("../Utils"),
                    f = new a("RTCSession:ReferSubscriber");
                t.exports = function(e) {
                    ! function(e, t) {
                        if ("function" != typeof t && null !== t) throw new TypeError(
                            "Super expression must either be null or a function");
                        e.prototype = Object.create(t && t.prototype, {
                            constructor: {
                                value: e,
                                writable: !0,
                                configurable: !0
                            }
                        }), t && i(e, t)
                    }(a, u);
                    var t, n, r, l = o(a);

                    function a(e) {
                        var t;
                        return function(e, t) {
                            if (!(e instanceof t)) throw new TypeError(
                                "Cannot call a class as a function")
                        }(this, a), (t = l.call(this))._id = null, t._session = e, t
                    }
                    return t = a, (n = [{
                        key: "sendRefer",
                        value: function(e) {
                            var t = this,
                                n = arguments.length > 1 && void 0 !==
                                arguments[
                                    1] ? arguments[1] : {};
                            f.debug("sendRefer()");
                            var r = d.cloneArray(n.extraHeaders),
                                s = d.cloneObject(n.eventHandlers);
                            for (var i in s) Object.prototype.hasOwnProperty
                                .call(s,
                                    i) && this.on(i, s[i]);
                            var o = null;
                            n.replaces && (o = n.replaces._request.call_id, o +=
                                ";to-tag=".concat(n.replaces._to_tag), o +=
                                ";from-tag=".concat(n.replaces._from_tag),
                                o =
                                encodeURIComponent(o));
                            var l = "Refer-To: <".concat(e).concat(o ?
                                "?Replaces="
                                .concat(o) : "", ">");
                            if (r.push(l), !r.some(function(e) {
                                    return e.toLowerCase().startsWith(
                                        "referred-by:")
                                })) {
                                var u = "Referred-By: <".concat(this._session
                                        ._ua
                                        ._configuration.uri._scheme, ":")
                                    .concat(
                                        this._session._ua._configuration.uri
                                        ._user,
                                        "@").concat(this._session._ua
                                        ._configuration
                                        .uri._host, ">");
                                r.push(u)
                            }
                            r.push("Contact: ".concat(this._session.contact));
                            var a = this._session.sendRequest(c.REFER, {
                                extraHeaders: r,
                                eventHandlers: {
                                    onSuccessResponse: function(e) {
                                        t._requestSucceeded(e)
                                    },
                                    onErrorResponse: function(e) {
                                        t._requestFailed(e, c.causes
                                            .REJECTED)
                                    },
                                    onTransportError: function() {
                                        t._requestFailed(null, c
                                            .causes
                                            .CONNECTION_ERROR)
                                    },
                                    onRequestTimeout: function() {
                                        t._requestFailed(null, c
                                            .causes
                                            .REQUEST_TIMEOUT)
                                    },
                                    onDialogError: function() {
                                        t._requestFailed(null, c
                                            .causes
                                            .DIALOG_ERROR)
                                    }
                                }
                            });
                            this._id = a.cseq
                        }
                    }, {
                        key: "receiveNotify",
                        value: function(e) {
                            if (f.debug("receiveNotify()"), e.body) {
                                var t = h.parse(e.body.trim(), "Status_Line");
                                if (-1 !== t) switch (!0) {
                                    case /^100$/.test(t.status_code):
                                        this.emit("trying", {
                                            request: e,
                                            status_line: t
                                        });
                                        break;
                                    case /^1[0-9]{2}$/.test(t.status_code):
                                        this.emit("progress", {
                                            request: e,
                                            status_line: t
                                        });
                                        break;
                                    case /^2[0-9]{2}$/.test(t.status_code):
                                        this.emit("accepted", {
                                            request: e,
                                            status_line: t
                                        });
                                        break;
                                    default:
                                        this.emit("failed", {
                                            request: e,
                                            status_line: t
                                        })
                                } else f.debug(
                                    'receiveNotify() | error parsing NOTIFY body: "'
                                    .concat(e.body, '"'))
                            }
                        }
                    }, {
                        key: "_requestSucceeded",
                        value: function(e) {
                            f.debug("REFER succeeded"), f.debug(
                                'emit "requestSucceeded"'), this.emit(
                                "requestSucceeded", {
                                    response: e
                                })
                        }
                    }, {
                        key: "_requestFailed",
                        value: function(e, t) {
                            f.debug("REFER failed"), f.debug(
                                'emit "requestFailed"'), this.emit(
                                "requestFailed", {
                                    response: e || null,
                                    cause: t
                                })
                        }
                    }, {
                        key: "id",
                        get: function() {
                            return this._id
                        }
                    }]) && s(t.prototype, n), r && s(t, r), a
                }()
            }, {
                "../Constants": 2,
                "../Grammar": 7,
                "../Logger": 9,
                "../Utils": 28,
                events: 31
            }],
            19: [function(e, t, n) {
                "use strict";

                function r(e, t) {
                    for (var n = 0; n < t.length; n++) {
                        var r = t[n];
                        r.enumerable = r.enumerable || !1, r.configurable = !0, "value" in r && (r
                            .writable = !0), Object.defineProperty(e, r.key, r)
                    }
                }
                var s = e("./Logger"),
                    i = e("./Utils"),
                    o = e("./Constants"),
                    l = e("./SIPMessage"),
                    u = e("./RequestSender"),
                    a = new s("Registrator");
                t.exports = function() {
                    function e(t, n) {
                        ! function(e, t) {
                            if (!(e instanceof t)) throw new TypeError(
                                "Cannot call a class as a function")
                        }(this, e), this._reg_id = 1, this._ua = t, this._transport = n, this
                            ._registrar = t.configuration.registrar_server, this._expires = t
                            .configuration.register_expires, this._call_id = i
                            .createRandomToken(
                                22), this._cseq = 0, this._to_uri = t.configuration.uri, this
                            ._registrationTimer = null, this._registering = !1, this
                            ._registered = !
                            1, this._contact = this._ua.contact.toString(), this._contact +=
                            ";+sip.ice", this._extraHeaders = [], this._extraContactParams = "",
                            this._sipInstance = '"<urn:uuid:'.concat(this._ua.configuration
                                .instance_id, '>"'), this._contact += ";reg-id=".concat(this
                                ._reg_id), this._contact += ";+sip.instance=".concat(this
                                ._sipInstance)
                    }
                    var t, n, s;
                    return t = e, (n = [{
                        key: "setExtraHeaders",
                        value: function(e) {
                            Array.isArray(e) || (e = []), this._extraHeaders = e
                                .slice()
                        }
                    }, {
                        key: "setExtraContactParams",
                        value: function(e) {
                            for (var t in e instanceof Object || (e = {}), this
                                    ._extraContactParams = "", e)
                                if (Object.prototype.hasOwnProperty.call(e,
                                        t)) {
                                    var n = e[t];
                                    this._extraContactParams += ";".concat(t),
                                        n &&
                                        (this._extraContactParams += "=".concat(
                                            n))
                                }
                        }
                    }, {
                        key: "register",
                        value: function() {
                            var e = this;
                            if (this._registering) a.debug(
                                "Register request in progress...");
                            else {
                                var t = this._extraHeaders.slice();
                                t.push("Contact: ".concat(this._contact,
                                            ";expires=").concat(this._expires)
                                        .concat(this._extraContactParams)), t
                                    .push(
                                        "Expires: ".concat(this._expires));
                                var n = new l.OutgoingRequest(o.REGISTER, this
                                        ._registrar, this._ua, {
                                            to_uri: this._to_uri,
                                            call_id: this._call_id,
                                            cseq: this._cseq += 1
                                        }, t),
                                    r = new u(this._ua, n, {
                                        onRequestTimeout: function() {
                                            e._registrationFailure(null,
                                                o
                                                .causes
                                                .REQUEST_TIMEOUT)
                                        },
                                        onTransportError: function() {
                                            e._registrationFailure(null,
                                                o
                                                .causes
                                                .CONNECTION_ERROR
                                            )
                                        },
                                        onAuthenticated: function() {
                                            e._cseq += 1
                                        },
                                        onReceiveResponse: function(t) {
                                            if (t.cseq === e._cseq)
                                                switch (
                                                    null !== e
                                                    ._registrationTimer &&
                                                    (
                                                        clearTimeout(e
                                                            ._registrationTimer
                                                        ), e
                                                        ._registrationTimer =
                                                        null), !0) {
                                                    case /^1[0-9]{2}$/
                                                    .test(
                                                        t.status_code):
                                                        break;
                                                    case /^2[0-9]{2}$/
                                                    .test(
                                                        t.status_code):
                                                        if (e
                                                            ._registering = !
                                                            1, !t
                                                            .hasHeader(
                                                                "Contact"
                                                            )
                                                        ) {
                                                            a.debug(
                                                                "no Contact header in response to REGISTER, response ignored"
                                                            );
                                                            break
                                                        }
                                                        var n = t
                                                            .headers
                                                            .Contact
                                                            .reduce(
                                                                function(
                                                                    e,
                                                                    t) {
                                                                    return e
                                                                        .concat(
                                                                            t
                                                                            .parsed
                                                                        )
                                                                }, []),
                                                            r = n.find(
                                                                function(
                                                                    t) {
                                                                    return e
                                                                        ._sipInstance ===
                                                                        t
                                                                        .getParam(
                                                                            "+sip.instance"
                                                                        ) &&
                                                                        e
                                                                        ._reg_id ===
                                                                        parseInt(
                                                                            t
                                                                            .getParam(
                                                                                "reg-id"
                                                                            )
                                                                        )
                                                                });
                                                        if (r || (r = n
                                                                .find(
                                                                    function(
                                                                        t
                                                                    ) {
                                                                        return t
                                                                            .uri
                                                                            .user ===
                                                                            e
                                                                            ._ua
                                                                            .contact
                                                                            .uri
                                                                            .user
                                                                    })),
                                                            !
                                                            r) {
                                                            a.debug(
                                                                "no Contact header pointing to us, response ignored"
                                                            );
                                                            break
                                                        }
                                                        var s = r
                                                            .getParam(
                                                                "expires"
                                                            );
                                                        !s && t
                                                            .hasHeader(
                                                                "expires"
                                                            ) && (s = t
                                                                .getHeader(
                                                                    "expires"
                                                                )), s ||
                                                            (s = e
                                                                ._expires
                                                            ), (s =
                                                                Number(
                                                                    s)
                                                            ) <
                                                            10 && (s =
                                                                10);
                                                        var l = s > 64 ?
                                                            1e3 * s /
                                                            2 +
                                                            Math.floor(
                                                                1e3 *
                                                                (s / 2 -
                                                                    32
                                                                ) *
                                                                Math
                                                                .random()
                                                            ) :
                                                            1e3 * s -
                                                            5e3;
                                                        e._registrationTimer =
                                                            setTimeout(
                                                                function() {
                                                                    e._registrationTimer =
                                                                        null,
                                                                        0 ===
                                                                        e
                                                                        ._ua
                                                                        .listeners(
                                                                            "registrationExpiring"
                                                                        )
                                                                        .length ?
                                                                        e
                                                                        .register() :
                                                                        e
                                                                        ._ua
                                                                        .emit(
                                                                            "registrationExpiring"
                                                                        )
                                                                }, l), r
                                                            .hasParam(
                                                                "temp-gruu"
                                                            ) && (e._ua
                                                                .contact
                                                                .temp_gruu =
                                                                r
                                                                .getParam(
                                                                    "temp-gruu"
                                                                )
                                                                .replace(
                                                                    /"/g,
                                                                    ""
                                                                )), r
                                                            .hasParam(
                                                                "pub-gruu"
                                                            ) && (e._ua
                                                                .contact
                                                                .pub_gruu =
                                                                r
                                                                .getParam(
                                                                    "pub-gruu"
                                                                )
                                                                .replace(
                                                                    /"/g,
                                                                    ""
                                                                )), e
                                                            ._registered ||
                                                            (e._registered = !
                                                                0, e._ua
                                                                .registered({
                                                                    response: t
                                                                }));
                                                        break;
                                                    case /^423$/.test(t
                                                        .status_code):
                                                        t.hasHeader(
                                                            "min-expires"
                                                        ) ? (e
                                                            ._expires =
                                                            Number(t
                                                                .getHeader(
                                                                    "min-expires"
                                                                )),
                                                            e
                                                            ._expires <
                                                            10 && (e
                                                                ._expires =
                                                                10),
                                                            e
                                                            .register()
                                                        ) : (a
                                                            .debug(
                                                                "423 response received for REGISTER without Min-Expires"
                                                            ), e
                                                            ._registrationFailure(
                                                                t, o
                                                                .causes
                                                                .SIP_FAILURE_CODE
                                                            ));
                                                        break;
                                                    default:
                                                        var u = i
                                                            .sipErrorCause(
                                                                t
                                                                .status_code
                                                            );
                                                        e._registrationFailure(
                                                            t, u)
                                                }
                                        }
                                    });
                                this._registering = !0, r.send()
                            }
                        }
                    }, {
                        key: "unregister",
                        value: function() {
                            var e = this,
                                t = arguments.length > 0 && void 0 !==
                                arguments[
                                    0] ? arguments[0] : {};
                            if (this._registered) {
                                this._registered = !1, null !== this
                                    ._registrationTimer && (clearTimeout(this
                                            ._registrationTimer), this
                                        ._registrationTimer = null);
                                var n = this._extraHeaders.slice();
                                t.all ? n.push("Contact: *".concat(this
                                    ._extraContactParams)) : n.push(
                                    "Contact: "
                                    .concat(this._contact, ";expires=0")
                                    .concat(
                                        this._extraContactParams)), n.push(
                                    "Expires: 0");
                                var r = new l.OutgoingRequest(o.REGISTER, this
                                    ._registrar, this._ua, {
                                        to_uri: this._to_uri,
                                        call_id: this._call_id,
                                        cseq: this._cseq += 1
                                    }, n);
                                new u(this._ua, r, {
                                    onRequestTimeout: function() {
                                        e._unregistered(null, o
                                            .causes
                                            .REQUEST_TIMEOUT)
                                    },
                                    onTransportError: function() {
                                        e._unregistered(null, o
                                            .causes
                                            .CONNECTION_ERROR)
                                    },
                                    onAuthenticated: function() {
                                        e._cseq += 1
                                    },
                                    onReceiveResponse: function(t) {
                                        switch (!0) {
                                            case /^1[0-9]{2}$/.test(
                                                t
                                                .status_code):
                                                break;
                                            case /^2[0-9]{2}$/.test(
                                                t
                                                .status_code):
                                                e._unregistered(t);
                                                break;
                                            default:
                                                var n = i
                                                    .sipErrorCause(
                                                        t
                                                        .status_code
                                                    );
                                                e._unregistered(t,
                                                    n)
                                        }
                                    }
                                }).send()
                            } else a.debug("already unregistered")
                        }
                    }, {
                        key: "close",
                        value: function() {
                            this._registered && this.unregister()
                        }
                    }, {
                        key: "onTransportClosed",
                        value: function() {
                            this._registering = !1, null !== this
                                ._registrationTimer && (clearTimeout(this
                                        ._registrationTimer), this
                                    ._registrationTimer = null), this
                                ._registered &&
                                (this._registered = !1, this._ua
                                    .unregistered({}))
                        }
                    }, {
                        key: "_registrationFailure",
                        value: function(e, t) {
                            this._registering = !1, this._ua
                                .registrationFailed({
                                    response: e || null,
                                    cause: t
                                }), this._registered && (this._registered = !1,
                                    this
                                    ._ua.unregistered({
                                        response: e || null,
                                        cause: t
                                    }))
                        }
                    }, {
                        key: "_unregistered",
                        value: function(e, t) {
                            this._registering = !1, this._registered = !1, this
                                ._ua
                                .unregistered({
                                    response: e || null,
                                    cause: t || null
                                })
                        }
                    }, {
                        key: "registered",
                        get: function() {
                            return this._registered
                        }
                    }]) && r(t.prototype, n), s && r(t, s), e
                }()
            }, {
                "./Constants": 2,
                "./Logger": 9,
                "./RequestSender": 20,
                "./SIPMessage": 21,
                "./Utils": 28
            }],
            20: [function(e, t, n) {
                "use strict";

                function r(e, t) {
                    for (var n = 0; n < t.length; n++) {
                        var r = t[n];
                        r.enumerable = r.enumerable || !1, r.configurable = !0, "value" in r && (r
                            .writable = !0), Object.defineProperty(e, r.key, r)
                    }
                }
                var s = e("./Logger"),
                    i = e("./Constants"),
                    o = e("./DigestAuthentication"),
                    l = e("./Transactions"),
                    u = new s("RequestSender"),
                    a = {
                        onRequestTimeout: function() {},
                        onTransportError: function() {},
                        onReceiveResponse: function() {},
                        onAuthenticated: function() {}
                    };
                t.exports = function() {
                    function e(t, n, r) {
                        for (var s in function(e, t) {
                                    if (!(e instanceof t)) throw new TypeError(
                                        "Cannot call a class as a function")
                                }(this, e), this._ua = t, this._eventHandlers = r, this
                                ._method = n
                                .method, this._request = n, this._auth = null, this
                                ._challenged = !
                                1, this._staled = !1, a) Object.prototype.hasOwnProperty.call(a,
                            s) && (this._eventHandlers[s] || (this._eventHandlers[s] = a[
                            s]));
                        t.status !== t.C.STATUS_USER_CLOSED || this._method === i.BYE && this
                            ._method === i.ACK || this._eventHandlers.onTransportError()
                    }
                    var t, n, s;
                    return t = e, (n = [{
                        key: "send",
                        value: function() {
                            var e = this,
                                t = {
                                    onRequestTimeout: function() {
                                        e._eventHandlers.onRequestTimeout()
                                    },
                                    onTransportError: function() {
                                        e._eventHandlers.onTransportError()
                                    },
                                    onReceiveResponse: function(t) {
                                        e._receiveResponse(t)
                                    }
                                };
                            switch (this._method) {
                                case "INVITE":
                                    this.clientTransaction = new l
                                        .InviteClientTransaction(this._ua, this
                                            ._ua
                                            .transport, this._request, t);
                                    break;
                                case "ACK":
                                    this.clientTransaction = new l
                                        .AckClientTransaction(this._ua, this._ua
                                            .transport, this._request, t);
                                    break;
                                default:
                                    this.clientTransaction = new l
                                        .NonInviteClientTransaction(this._ua,
                                            this
                                            ._ua.transport, this._request, t)
                            }
                            this._ua._configuration.authorization_jwt && this
                                ._request.setHeader("Authorization", this._ua
                                    ._configuration.authorization_jwt), this
                                .clientTransaction.send()
                        }
                    }, {
                        key: "_receiveResponse",
                        value: function(e) {
                            var t, n, r = e.status_code;
                            if (401 !== r && 407 !== r || null === this._ua
                                .configuration.password && null === this._ua
                                .configuration.ha1) this._eventHandlers
                                .onReceiveResponse(e);
                            else {
                                if (401 === e.status_code ? (t = e.parseHeader(
                                            "www-authenticate"), n =
                                        "authorization") : (t = e.parseHeader(
                                            "proxy-authenticate"), n =
                                        "proxy-authorization"), !t) return u
                                    .debug(
                                        "".concat(e.status_code,
                                            " with wrong or missing challenge, cannot authenticate"
                                        )), void this._eventHandlers
                                    .onReceiveResponse(e);
                                if (!this._challenged || !this._staled && !0 ===
                                    t
                                    .stale) {
                                    if (this._auth || (this._auth = new o({
                                            username: this._ua
                                                .configuration
                                                .authorization_user,
                                            password: this._ua
                                                .configuration
                                                .password,
                                            realm: this._ua
                                                .configuration
                                                .realm,
                                            ha1: this._ua.configuration
                                                .ha1
                                        })), !this._auth.authenticate(this
                                            ._request,
                                            t)) return void this._eventHandlers
                                        .onReceiveResponse(e);
                                    this._challenged = !0, this._ua.set("realm",
                                            this._auth.get("realm")), this._ua
                                        .set(
                                            "ha1", this._auth.get("ha1")), t
                                        .stale && (this._staled = !0), this
                                        ._request = this._request.clone(), this
                                        ._request.cseq += 1, this._request
                                        .setHeader("cseq", "".concat(this
                                            ._request
                                            .cseq, " ").concat(this
                                            ._method)), this
                                        ._request.setHeader(n, this._auth
                                            .toString()), this._eventHandlers
                                        .onAuthenticated(this._request), this
                                        .send()
                                } else this._eventHandlers.onReceiveResponse(e)
                            }
                        }
                    }]) && r(t.prototype, n), s && r(t, s), e
                }()
            }, {
                "./Constants": 2,
                "./DigestAuthentication": 5,
                "./Logger": 9,
                "./Transactions": 24
            }],
            21: [function(e, t, n) {
                "use strict";

                function r(e) {
                    return (r = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ?
                        function(e) {
                            return typeof e
                        } : function(e) {
                            return e && "function" == typeof Symbol && e.constructor ===
                                Symbol &&
                                e !== Symbol.prototype ? "symbol" : typeof e
                        })(e)
                }

                function s(e, t) {
                    if ("function" != typeof t && null !== t) throw new TypeError(
                        "Super expression must either be null or a function");
                    e.prototype = Object.create(t && t.prototype, {
                        constructor: {
                            value: e,
                            writable: !0,
                            configurable: !0
                        }
                    }), t && i(e, t)
                }

                function i(e, t) {
                    return (i = Object.setPrototypeOf || function(e, t) {
                        return e.__proto__ = t, e
                    })(e, t)
                }

                function o(e) {
                    var t = function() {
                        if ("undefined" == typeof Reflect || !Reflect.construct) return !1;
                        if (Reflect.construct.sham) return !1;
                        if ("function" == typeof Proxy) return !0;
                        try {
                            return Date.prototype.toString.call(Reflect.construct(Date, [],
                                function() {})), !0
                        } catch (e) {
                            return !1
                        }
                    }();
                    return function() {
                        var n, s = l(e);
                        if (t) {
                            var i = l(this).constructor;
                            n = Reflect.construct(s, arguments, i)
                        } else n = s.apply(this, arguments);
                        return function(e, t) {
                            if (t && ("object" === r(t) || "function" == typeof t))
                                return t;
                            return function(e) {
                                if (void 0 === e) throw new ReferenceError(
                                    "this hasn't been initialised - super() hasn't been called"
                                );
                                return e
                            }(e)
                        }(this, n)
                    }
                }

                function l(e) {
                    return (l = Object.setPrototypeOf ? Object.getPrototypeOf : function(e) {
                        return e.__proto__ || Object.getPrototypeOf(e)
                    })(e)
                }

                function u(e, t) {
                    var n;
                    if ("undefined" == typeof Symbol || null == e[Symbol.iterator]) {
                        if (Array.isArray(e) || (n = function(e, t) {
                                if (!e) return;
                                if ("string" == typeof e) return a(e, t);
                                var n = Object.prototype.toString.call(e).slice(8, -1);
                                "Object" === n && e.constructor && (n = e.constructor.name);
                                if ("Map" === n || "Set" === n) return Array.from(e);
                                if ("Arguments" === n ||
                                    /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/
                                    .test(n)) return a(e, t)
                            }(e)) || t && e && "number" == typeof e.length) {
                            n && (e = n);
                            var r = 0,
                                s = function() {};
                            return {
                                s: s,
                                n: function() {
                                    return r >= e.length ? {
                                        done: !0
                                    } : {
                                        done: !1,
                                        value: e[r++]
                                    }
                                },
                                e: function(e) {
                                    throw e
                                },
                                f: s
                            }
                        }
                        throw new TypeError(
                            "Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."
                        )
                    }
                    var i, o = !0,
                        l = !1;
                    return {
                        s: function() {
                            n = e[Symbol.iterator]()
                        },
                        n: function() {
                            var e = n.next();
                            return o = e.done, e
                        },
                        e: function(e) {
                            l = !0, i = e
                        },
                        f: function() {
                            try {
                                o || null == n.return || n.return()
                            } finally {
                                if (l) throw i
                            }
                        }
                    }
                }

                function a(e, t) {
                    (null == t || t > e.length) && (t = e.length);
                    for (var n = 0, r = new Array(t); n < t; n++) r[n] = e[n];
                    return r
                }

                function c(e, t) {
                    if (!(e instanceof t)) throw new TypeError("Cannot call a class as a function")
                }

                function h(e, t) {
                    for (var n = 0; n < t.length; n++) {
                        var r = t[n];
                        r.enumerable = r.enumerable || !1, r.configurable = !0, "value" in r && (r
                            .writable = !0), Object.defineProperty(e, r.key, r)
                    }
                }

                function d(e, t, n) {
                    return t && h(e.prototype, t), n && h(e, n), e
                }
                var f = e("sdp-transform"),
                    _ = e("./Logger"),
                    p = e("./Constants"),
                    m = e("./Utils"),
                    v = e("./NameAddrHeader"),
                    g = e("./Grammar"),
                    y = new _("SIPMessage"),
                    T = function() {
                        function e(t, n, r, s, i, o) {
                            if (c(this, e), !t || !n || !r) return null;
                            s = s || {}, this.ua = r, this.headers = {}, this.method = t, this
                                .ruri = n,
                                this.body = o, this.extraHeaders = m.cloneArray(i), s.route_set ?
                                this
                                .setHeader("route", s.route_set) : r.configuration
                                .use_preloaded_route && this.setHeader("route", "<".concat(r
                                    .transport
                                    .sip_uri, ";lr>")), this.setHeader("via", ""), this.setHeader(
                                    "max-forwards", p.MAX_FORWARDS);
                            var l = s.to_uri || n,
                                u = s.to_tag ? {
                                    tag: s.to_tag
                                } : null,
                                a = void 0 !== s.to_display_name ? s.to_display_name : null;
                            this.to = new v(l, a, u), this.setHeader("to", this.to.toString());
                            var h, d = s.from_uri || r.configuration.uri,
                                f = {
                                    tag: s.from_tag || m.newTag()
                                };
                            h = void 0 !== s.from_display_name ? s.from_display_name : r
                                .configuration
                                .display_name ? r.configuration.display_name : null, this.from =
                                new v(
                                    d, h, f), this.setHeader("from", this.from.toString());
                            var _ = s.call_id || r.configuration.jssip_id + m.createRandomToken(15);
                            this.call_id = _, this.setHeader("call-id", _);
                            var g = s.cseq || Math.floor(1e4 * Math.random());
                            this.cseq = g, this.setHeader("cseq", "".concat(g, " ").concat(t))
                        }
                        return d(e, [{
                            key: "setHeader",
                            value: function(e, t) {
                                for (var n = new RegExp("^\\s*".concat(e, "\\s*:"),
                                        "i"), r = 0; r < this.extraHeaders
                                    .length; r++)
                                    n.test(this.extraHeaders[r]) && this
                                    .extraHeaders
                                    .splice(r, 1);
                                this.headers[m.headerize(e)] = Array.isArray(t) ?
                                    t : [
                                        t
                                    ]
                            }
                        }, {
                            key: "getHeader",
                            value: function(e) {
                                var t = this.headers[m.headerize(e)];
                                if (t) {
                                    if (t[0]) return t[0]
                                } else {
                                    var n, r = new RegExp("^\\s*".concat(e,
                                                "\\s*:"),
                                            "i"),
                                        s = u(this.extraHeaders);
                                    try {
                                        for (s.s(); !(n = s.n()).done;) {
                                            var i = n.value;
                                            if (r.test(i)) return i.substring(i
                                                .indexOf(
                                                    ":") + 1).trim()
                                        }
                                    } catch (e) {
                                        s.e(e)
                                    } finally {
                                        s.f()
                                    }
                                }
                            }
                        }, {
                            key: "getHeaders",
                            value: function(e) {
                                var t = this.headers[m.headerize(e)],
                                    n = [];
                                if (t) {
                                    var r, s = u(t);
                                    try {
                                        for (s.s(); !(r = s.n()).done;) {
                                            var i = r.value;
                                            n.push(i)
                                        }
                                    } catch (e) {
                                        s.e(e)
                                    } finally {
                                        s.f()
                                    }
                                    return n
                                }
                                var o, l = new RegExp("^\\s*".concat(e, "\\s*:"),
                                        "i"),
                                    a = u(this.extraHeaders);
                                try {
                                    for (a.s(); !(o = a.n()).done;) {
                                        var c = o.value;
                                        l.test(c) && n.push(c.substring(c.indexOf(
                                                ":") +
                                            1).trim())
                                    }
                                } catch (e) {
                                    a.e(e)
                                } finally {
                                    a.f()
                                }
                                return n
                            }
                        }, {
                            key: "hasHeader",
                            value: function(e) {
                                if (this.headers[m.headerize(e)]) return !0;
                                var t, n = new RegExp("^\\s*".concat(e, "\\s*:"),
                                        "i"),
                                    r = u(this.extraHeaders);
                                try {
                                    for (r.s(); !(t = r.n()).done;) {
                                        var s = t.value;
                                        if (n.test(s)) return !0
                                    }
                                } catch (e) {
                                    r.e(e)
                                } finally {
                                    r.f()
                                }
                                return !1
                            }
                        }, {
                            key: "parseSDP",
                            value: function(e) {
                                return !e && this.sdp ? this.sdp : (this.sdp = f
                                    .parse(
                                        this.body || ""), this.sdp)
                            }
                        }, {
                            key: "toString",
                            value: function() {
                                var e = "".concat(this.method, " ").concat(this
                                    .ruri,
                                    " SIP/2.0\r\n");
                                for (var t in this.headers)
                                    if (Object.prototype.hasOwnProperty.call(this
                                            .headers, t)) {
                                        var n, r = u(this.headers[t]);
                                        try {
                                            for (r.s(); !(n = r.n()).done;) {
                                                var s = n.value;
                                                e += "".concat(t, ": ").concat(s,
                                                    "\r\n")
                                            }
                                        } catch (e) {
                                            r.e(e)
                                        } finally {
                                            r.f()
                                        }
                                    } var i, o = u(this.extraHeaders);
                                try {
                                    for (o.s(); !(i = o.n()).done;) {
                                        var l = i.value;
                                        e += "".concat(l.trim(), "\r\n")
                                    }
                                } catch (e) {
                                    o.e(e)
                                } finally {
                                    o.f()
                                }
                                var a = [];
                                switch (this.method) {
                                    case p.REGISTER:
                                        a.push("path", "gruu");
                                        break;
                                    case p.INVITE:
                                        this.ua.configuration.session_timers && a
                                            .push(
                                                "timer"), (this.ua.contact
                                                .pub_gruu ||
                                                this.ua.contact.temp_gruu) && a
                                            .push(
                                                "gruu"), a.push("ice", "replaces");
                                        break;
                                    case p.UPDATE:
                                        this.ua.configuration.session_timers && a
                                            .push(
                                                "timer"), a.push("ice")
                                }
                                a.push("outbound");
                                var c = this.ua.configuration.user_agent || p
                                    .USER_AGENT;
                                if (e += "Allow: ".concat(p.ALLOWED_METHODS,
                                        "\r\n"),
                                    e += "Supported: ".concat(a, "\r\n"), e +=
                                    "User-Agent: ".concat(c, "\r\n"), this.body) {
                                    var h = m.str_utf8_length(this.body);
                                    e += "Content-Length: ".concat(h, "\r\n\r\n"),
                                        e +=
                                        this.body
                                } else e += "Content-Length: 0\r\n\r\n";
                                return e
                            }
                        }, {
                            key: "clone",
                            value: function() {
                                var t = new e(this.method, this.ruri, this.ua);
                                return Object.keys(this.headers).forEach(function(
                                        e) {
                                        t.headers[e] = this.headers[e].slice()
                                    }, this), t.body = this.body, t.extraHeaders = m
                                    .cloneArray(this.extraHeaders), t.to = this.to,
                                    t
                                    .from = this.from, t.call_id = this.call_id, t
                                    .cseq = this.cseq, t
                            }
                        }]), e
                    }(),
                    C = function(e) {
                        s(n, T);
                        var t = o(n);

                        function n(e, r, s, i, o) {
                            var l;
                            return c(this, n), (l = t.call(this, p.INVITE, e, r, s, i, o))
                                .transaction =
                                null, l
                        }
                        return d(n, [{
                            key: "cancel",
                            value: function(e) {
                                this.transaction.cancel(e)
                            }
                        }, {
                            key: "clone",
                            value: function() {
                                var e = new n(this.ruri, this.ua);
                                return Object.keys(this.headers).forEach(function(
                                        t) {
                                        e.headers[t] = this.headers[t].slice()
                                    }, this), e.body = this.body, e.extraHeaders = m
                                    .cloneArray(this.extraHeaders), e.to = this.to,
                                    e
                                    .from = this.from, e.call_id = this.call_id, e
                                    .cseq = this.cseq, e.transaction = this
                                    .transaction,
                                    e
                            }
                        }]), n
                    }(),
                    b = function() {
                        function e() {
                            c(this, e), this.data = null, this.headers = null, this.method = null,
                                this
                                .via = null, this.via_branch = null, this.call_id = null, this
                                .cseq =
                                null, this.from = null, this.from_tag = null, this.to = null, this
                                .to_tag = null, this.body = null, this.sdp = null
                        }
                        return d(e, [{
                            key: "addHeader",
                            value: function(e, t) {
                                var n = {
                                    raw: t
                                };
                                e = m.headerize(e), this.headers[e] ? this.headers[
                                        e]
                                    .push(n) : this.headers[e] = [n]
                            }
                        }, {
                            key: "getHeader",
                            value: function(e) {
                                var t = this.headers[m.headerize(e)];
                                if (t) return t[0] ? t[0].raw : void 0
                            }
                        }, {
                            key: "getHeaders",
                            value: function(e) {
                                var t = this.headers[m.headerize(e)],
                                    n = [];
                                if (!t) return [];
                                var r, s = u(t);
                                try {
                                    for (s.s(); !(r = s.n()).done;) {
                                        var i = r.value;
                                        n.push(i.raw)
                                    }
                                } catch (e) {
                                    s.e(e)
                                } finally {
                                    s.f()
                                }
                                return n
                            }
                        }, {
                            key: "hasHeader",
                            value: function(e) {
                                return !!this.headers[m.headerize(e)]
                            }
                        }, {
                            key: "parseHeader",
                            value: function(e) {
                                var t = arguments.length > 1 && void 0 !==
                                    arguments[
                                        1] ? arguments[1] : 0;
                                if (e = m.headerize(e), this.headers[e]) {
                                    if (!(t >= this.headers[e].length)) {
                                        var n = this.headers[e][t],
                                            r = n.raw;
                                        if (n.parsed) return n.parsed;
                                        var s = g.parse(r, e.replace(/-/g, "_"));
                                        return -1 === s ? (this.headers[e].splice(t,
                                                1),
                                            void y.debug('error parsing "'
                                                .concat(e,
                                                    '" header field with value "'
                                                )
                                                .concat(r, '"'))) : (n.parsed =
                                            s,
                                            s)
                                    }
                                    y.debug('not so many "'.concat(e,
                                        '" headers present'))
                                } else y.debug('header "'.concat(e,
                                    '" not present'))
                            }
                        }, {
                            key: "s",
                            value: function(e, t) {
                                return this.parseHeader(e, t)
                            }
                        }, {
                            key: "setHeader",
                            value: function(e, t) {
                                var n = {
                                    raw: t
                                };
                                this.headers[m.headerize(e)] = [n]
                            }
                        }, {
                            key: "parseSDP",
                            value: function(e) {
                                return !e && this.sdp ? this.sdp : (this.sdp = f
                                    .parse(
                                        this.body || ""), this.sdp)
                            }
                        }, {
                            key: "toString",
                            value: function() {
                                return this.data
                            }
                        }]), e
                    }(),
                    S = function(e) {
                        s(n, b);
                        var t = o(n);

                        function n(e) {
                            var r;
                            return c(this, n), (r = t.call(this)).ua = e, r.headers = {}, r.ruri =
                                null,
                                r.transport = null, r.server_transaction = null, r
                        }
                        return d(n, [{
                            key: "reply",
                            value: function(e, t, n, r, s, i) {
                                var o = [],
                                    l = this.getHeader("To");
                                if (t = t || null, !(e = e || null) || e < 100 ||
                                    e >
                                    699) throw new TypeError("Invalid status_code: "
                                    .concat(e));
                                if (t && "string" != typeof t && !(
                                        t instanceof String))
                                    throw new TypeError("Invalid reason_phrase: "
                                        .concat(t));
                                t = t || p.REASON_PHRASE[e] || "", n = m.cloneArray(
                                    n);
                                var a = "SIP/2.0 ".concat(e, " ").concat(t, "\r\n");
                                if (this.method === p.INVITE && e > 100 && e <=
                                    200) {
                                    var c, h = u(this.getHeaders("record-route"));
                                    try {
                                        for (h.s(); !(c = h.n()).done;) {
                                            var d = c.value;
                                            a += "Record-Route: ".concat(d, "\r\n")
                                        }
                                    } catch (e) {
                                        h.e(e)
                                    } finally {
                                        h.f()
                                    }
                                }
                                var f, _ = u(this.getHeaders("via"));
                                try {
                                    for (_.s(); !(f = _.n()).done;) {
                                        var v = f.value;
                                        a += "Via: ".concat(v, "\r\n")
                                    }
                                } catch (e) {
                                    _.e(e)
                                } finally {
                                    _.f()
                                }!this.to_tag && e > 100 ? l += ";tag=".concat(m
                                        .newTag()) : this.to_tag && !this.s("to")
                                    .hasParam(
                                        "tag") && (l += ";tag=".concat(this
                                        .to_tag)),
                                    a += "To: ".concat(l, "\r\n"), a += "From: "
                                    .concat(
                                        this.getHeader("From"), "\r\n"), a +=
                                    "Call-ID: ".concat(this.call_id, "\r\n"), a +=
                                    "CSeq: ".concat(this.cseq, " ").concat(this
                                        .method,
                                        "\r\n");
                                var g, y = u(n);
                                try {
                                    for (y.s(); !(g = y.n()).done;) {
                                        var T = g.value;
                                        a += "".concat(T.trim(), "\r\n")
                                    }
                                } catch (e) {
                                    y.e(e)
                                } finally {
                                    y.f()
                                }
                                switch (this.method) {
                                    case p.INVITE:
                                        this.ua.configuration.session_timers && o
                                            .push(
                                                "timer"), (this.ua.contact
                                                .pub_gruu ||
                                                this.ua.contact.temp_gruu) && o
                                            .push(
                                                "gruu"), o.push("ice", "replaces");
                                        break;
                                    case p.UPDATE:
                                        this.ua.configuration.session_timers && o
                                            .push(
                                                "timer"), r && o.push("ice"), o
                                            .push(
                                                "replaces")
                                }
                                if (o.push("outbound"), this.method === p.OPTIONS ?
                                    (
                                        a += "Allow: ".concat(p.ALLOWED_METHODS,
                                            "\r\n"), a += "Accept: ".concat(p
                                            .ACCEPTED_BODY_TYPES, "\r\n")) : 405 ===
                                    e ?
                                    a += "Allow: ".concat(p.ALLOWED_METHODS,
                                        "\r\n") :
                                    415 === e && (a += "Accept: ".concat(p
                                        .ACCEPTED_BODY_TYPES, "\r\n")), a +=
                                    "Supported: ".concat(o, "\r\n"), r) {
                                    var C = m.str_utf8_length(r);
                                    a += "Content-Type: application/sdp\r\n", a +=
                                        "Content-Length: ".concat(C, "\r\n\r\n"),
                                        a += r
                                } else a += "Content-Length: ".concat(0,
                                    "\r\n\r\n");
                                this.server_transaction.receiveResponse(e, a, s, i)
                            }
                        }, {
                            key: "reply_sl",
                            value: function() {
                                var e = arguments.length > 0 && void 0 !==
                                    arguments[
                                        0] ? arguments[0] : null,
                                    t = arguments.length > 1 && void 0 !==
                                    arguments[
                                        1] ? arguments[1] : null,
                                    n = this.getHeaders("via");
                                if (!e || e < 100 || e > 699) throw new TypeError(
                                    "Invalid status_code: ".concat(e));
                                if (t && "string" != typeof t && !(
                                        t instanceof String))
                                    throw new TypeError("Invalid reason_phrase: "
                                        .concat(t));
                                t = t || p.REASON_PHRASE[e] || "";
                                var r, s = "SIP/2.0 ".concat(e, " ").concat(t,
                                        "\r\n"),
                                    i = u(n);
                                try {
                                    for (i.s(); !(r = i.n()).done;) {
                                        var o = r.value;
                                        s += "Via: ".concat(o, "\r\n")
                                    }
                                } catch (e) {
                                    i.e(e)
                                } finally {
                                    i.f()
                                }
                                var l = this.getHeader("To");
                                !this.to_tag && e > 100 ? l += ";tag=".concat(m
                                        .newTag()) : this.to_tag && !this.s("to")
                                    .hasParam(
                                        "tag") && (l += ";tag=".concat(this
                                        .to_tag)),
                                    s += "To: ".concat(l, "\r\n"), s += "From: "
                                    .concat(
                                        this.getHeader("From"), "\r\n"), s +=
                                    "Call-ID: ".concat(this.call_id, "\r\n"), s +=
                                    "CSeq: ".concat(this.cseq, " ").concat(this
                                        .method,
                                        "\r\n"), s += "Content-Length: ".concat(0,
                                        "\r\n\r\n"), this.transport.send(s)
                            }
                        }]), n
                    }(),
                    E = function(e) {
                        s(n, b);
                        var t = o(n);

                        function n() {
                            var e;
                            return c(this, n), (e = t.call(this)).headers = {}, e.status_code =
                                null, e
                                .reason_phrase = null, e
                        }
                        return n
                    }();
                t.exports = {
                    OutgoingRequest: T,
                    InitialOutgoingInviteRequest: C,
                    IncomingRequest: S,
                    IncomingResponse: E
                }
            }, {
                "./Constants": 2,
                "./Grammar": 7,
                "./Logger": 9,
                "./NameAddrHeader": 11,
                "./Utils": 28,
                "sdp-transform": 37
            }],
            22: [function(e, t, n) {
                "use strict";
                var r = e("./Logger"),
                    s = e("./Utils"),
                    i = e("./Grammar"),
                    o = new r("Socket");
                n.isSocket = function(e) {
                    if (Array.isArray(e)) return !1;
                    if (void 0 === e) return o.warn("undefined JsSIP.Socket instance"), !1;
                    try {
                        if (!s.isString(e.url)) throw o.warn(
                            "missing or invalid JsSIP.Socket url property"), new Error(
                            "Missing or invalid JsSIP.Socket url property");
                        if (!s.isString(e.via_transport)) throw o.warn(
                                "missing or invalid JsSIP.Socket via_transport property"),
                            new Error(
                                "Missing or invalid JsSIP.Socket via_transport property");
                        if (-1 === i.parse(e.sip_uri, "SIP_URI")) throw o.warn(
                                "missing or invalid JsSIP.Socket sip_uri property"),
                            new Error(
                                "missing or invalid JsSIP.Socket sip_uri property")
                    } catch (e) {
                        return !1
                    }
                    try {
                        ["connect", "disconnect", "send"].forEach(function(t) {
                            if (!s.isFunction(e[t])) throw o.warn(
                                "missing or invalid JsSIP.Socket method: "
                                .concat(t)
                            ), new Error(
                                "Missing or invalid JsSIP.Socket method: "
                                .concat(t)
                            )
                        })
                    } catch (e) {
                        return !1
                    }
                    return !0
                }
            }, {
                "./Grammar": 7,
                "./Logger": 9,
                "./Utils": 28
            }],
            23: [function(e, t, n) {
                "use strict";
                var r = 500;
                t.exports = {
                    T1: r,
                    T2: 4e3,
                    T4: 5e3,
                    TIMER_B: 32e3,
                    TIMER_D: 0,
                    TIMER_F: 32e3,
                    TIMER_H: 32e3,
                    TIMER_I: 0,
                    TIMER_J: 0,
                    TIMER_K: 0,
                    TIMER_L: 32e3,
                    TIMER_M: 32e3,
                    PROVISIONAL_RESPONSE_INTERVAL: 6e4
                }
            }, {}],
            24: [function(e, t, n) {
                "use strict";

                function r(e) {
                    return (r = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ?
                        function(e) {
                            return typeof e
                        } : function(e) {
                            return e && "function" == typeof Symbol && e.constructor ===
                                Symbol &&
                                e !== Symbol.prototype ? "symbol" : typeof e
                        })(e)
                }

                function s(e, t) {
                    if (!(e instanceof t)) throw new TypeError("Cannot call a class as a function")
                }

                function i(e, t) {
                    for (var n = 0; n < t.length; n++) {
                        var r = t[n];
                        r.enumerable = r.enumerable || !1, r.configurable = !0, "value" in r && (r
                            .writable = !0), Object.defineProperty(e, r.key, r)
                    }
                }

                function o(e, t, n) {
                    return t && i(e.prototype, t), n && i(e, n), e
                }

                function l(e, t) {
                    if ("function" != typeof t && null !== t) throw new TypeError(
                        "Super expression must either be null or a function");
                    e.prototype = Object.create(t && t.prototype, {
                        constructor: {
                            value: e,
                            writable: !0,
                            configurable: !0
                        }
                    }), t && u(e, t)
                }

                function u(e, t) {
                    return (u = Object.setPrototypeOf || function(e, t) {
                        return e.__proto__ = t, e
                    })(e, t)
                }

                function a(e) {
                    var t = function() {
                        if ("undefined" == typeof Reflect || !Reflect.construct) return !1;
                        if (Reflect.construct.sham) return !1;
                        if ("function" == typeof Proxy) return !0;
                        try {
                            return Date.prototype.toString.call(Reflect.construct(Date, [],
                                function() {})), !0
                        } catch (e) {
                            return !1
                        }
                    }();
                    return function() {
                        var n, s = h(e);
                        if (t) {
                            var i = h(this).constructor;
                            n = Reflect.construct(s, arguments, i)
                        } else n = s.apply(this, arguments);
                        return function(e, t) {
                            if (t && ("object" === r(t) || "function" == typeof t))
                                return t;
                            return c(e)
                        }(this, n)
                    }
                }

                function c(e) {
                    if (void 0 === e) throw new ReferenceError(
                        "this hasn't been initialised - super() hasn't been called");
                    return e
                }

                function h(e) {
                    return (h = Object.setPrototypeOf ? Object.getPrototypeOf : function(e) {
                        return e.__proto__ || Object.getPrototypeOf(e)
                    })(e)
                }
                var d = e("events").EventEmitter,
                    f = e("./Logger"),
                    _ = e("./Constants"),
                    p = e("./SIPMessage"),
                    m = e("./Timers"),
                    v = new f("NonInviteClientTransaction"),
                    g = new f("InviteClientTransaction"),
                    y = new f("AckClientTransaction"),
                    T = new f("NonInviteServerTransaction"),
                    C = new f("InviteServerTransaction"),
                    b = {
                        STATUS_TRYING: 1,
                        STATUS_PROCEEDING: 2,
                        STATUS_CALLING: 3,
                        STATUS_ACCEPTED: 4,
                        STATUS_COMPLETED: 5,
                        STATUS_TERMINATED: 6,
                        STATUS_CONFIRMED: 7,
                        NON_INVITE_CLIENT: "nict",
                        NON_INVITE_SERVER: "nist",
                        INVITE_CLIENT: "ict",
                        INVITE_SERVER: "ist"
                    },
                    S = function(e) {
                        l(n, d);
                        var t = a(n);

                        function n(e, r, i, o) {
                            var l;
                            s(this, n), (l = t.call(this)).type = b.NON_INVITE_CLIENT, l.id =
                                "z9hG4bK"
                                .concat(Math.floor(1e7 * Math.random())), l.ua = e, l.transport = r,
                                l
                                .request = i, l.eventHandlers = o;
                            var u = "SIP/2.0/".concat(r.via_transport);
                            return u += " ".concat(e.configuration.via_host, ";branch=").concat(l
                                    .id), l
                                .request.setHeader("via", u), l.ua.newTransaction(c(l)), l
                        }
                        return o(n, [{
                            key: "stateChanged",
                            value: function(e) {
                                this.state = e, this.emit("stateChanged")
                            }
                        }, {
                            key: "send",
                            value: function() {
                                var e = this;
                                this.stateChanged(b.STATUS_TRYING), this.F =
                                    setTimeout(
                                        function() {
                                            e.timer_F()
                                        }, m.TIMER_F), this.transport.send(this
                                        .request) || this.onTransportError()
                            }
                        }, {
                            key: "onTransportError",
                            value: function() {
                                v.debug("transport error occurred, deleting transaction "
                                        .concat(this.id)), clearTimeout(this.F),
                                    clearTimeout(this.K), this.stateChanged(b
                                        .STATUS_TERMINATED), this.ua
                                    .destroyTransaction(
                                        this), this.eventHandlers.onTransportError()
                            }
                        }, {
                            key: "timer_F",
                            value: function() {
                                v.debug("Timer F expired for transaction ".concat(
                                        this
                                        .id)), this.stateChanged(b
                                        .STATUS_TERMINATED),
                                    this.ua.destroyTransaction(this), this
                                    .eventHandlers
                                    .onRequestTimeout()
                            }
                        }, {
                            key: "timer_K",
                            value: function() {
                                this.stateChanged(b.STATUS_TERMINATED), this.ua
                                    .destroyTransaction(this)
                            }
                        }, {
                            key: "receiveResponse",
                            value: function(e) {
                                var t = this,
                                    n = e.status_code;
                                if (n < 200) switch (this.state) {
                                    case b.STATUS_TRYING:
                                    case b.STATUS_PROCEEDING:
                                        this.stateChanged(b.STATUS_PROCEEDING),
                                            this
                                            .eventHandlers.onReceiveResponse(e)
                                } else switch (this.state) {
                                    case b.STATUS_TRYING:
                                    case b.STATUS_PROCEEDING:
                                        this.stateChanged(b
                                                .STATUS_COMPLETED),
                                            clearTimeout(this.F), 408 ===
                                            n ?
                                            this.eventHandlers
                                            .onRequestTimeout() : this
                                            .eventHandlers
                                            .onReceiveResponse(e),
                                            this.K = setTimeout(function() {
                                                t.timer_K()
                                            }, m.TIMER_K);
                                        break;
                                    case b.STATUS_COMPLETED:
                                }
                            }
                        }, {
                            key: "C",
                            get: function() {
                                return b
                            }
                        }]), n
                    }(),
                    E = function(e) {
                        l(n, d);
                        var t = a(n);

                        function n(e, r, i, o) {
                            var l;
                            s(this, n), (l = t.call(this)).type = b.INVITE_CLIENT, l.id = "z9hG4bK"
                                .concat(Math.floor(1e7 * Math.random())), l.ua = e, l.transport = r,
                                l
                                .request = i, l.eventHandlers = o, i.transaction = c(l);
                            var u = "SIP/2.0/".concat(r.via_transport);
                            return u += " ".concat(e.configuration.via_host, ";branch=").concat(l
                                    .id), l
                                .request.setHeader("via", u), l.ua.newTransaction(c(l)), l
                        }
                        return o(n, [{
                            key: "stateChanged",
                            value: function(e) {
                                this.state = e, this.emit("stateChanged")
                            }
                        }, {
                            key: "send",
                            value: function() {
                                var e = this;
                                this.stateChanged(b.STATUS_CALLING), this.B =
                                    setTimeout(function() {
                                        e.timer_B()
                                    }, m.TIMER_B), this.transport.send(this
                                        .request) ||
                                    this.onTransportError()
                            }
                        }, {
                            key: "onTransportError",
                            value: function() {
                                clearTimeout(this.B), clearTimeout(this.D),
                                    clearTimeout(this.M), this.state !== b
                                    .STATUS_ACCEPTED && (g.debug(
                                            "transport error occurred, deleting transaction "
                                            .concat(this.id)), this.eventHandlers
                                        .onTransportError()), this.stateChanged(b
                                        .STATUS_TERMINATED), this.ua
                                    .destroyTransaction(
                                        this)
                            }
                        }, {
                            key: "timer_M",
                            value: function() {
                                g.debug("Timer M expired for transaction ".concat(
                                    this
                                    .id)), this.state === b.STATUS_ACCEPTED && (
                                    clearTimeout(this.B), this.stateChanged(b
                                        .STATUS_TERMINATED), this.ua
                                    .destroyTransaction(this))
                            }
                        }, {
                            key: "timer_B",
                            value: function() {
                                g.debug("Timer B expired for transaction ".concat(
                                    this
                                    .id)), this.state === b.STATUS_CALLING && (
                                    this
                                    .stateChanged(b.STATUS_TERMINATED), this.ua
                                    .destroyTransaction(this), this
                                    .eventHandlers
                                    .onRequestTimeout())
                            }
                        }, {
                            key: "timer_D",
                            value: function() {
                                g.debug("Timer D expired for transaction ".concat(
                                        this
                                        .id)), clearTimeout(this.B), this
                                    .stateChanged(b
                                        .STATUS_TERMINATED), this.ua
                                    .destroyTransaction(
                                        this)
                            }
                        }, {
                            key: "sendACK",
                            value: function(e) {
                                var t = this,
                                    n = new p.OutgoingRequest(_.ACK, this.request
                                        .ruri,
                                        this.ua, {
                                            route_set: this.request.getHeaders(
                                                "route"),
                                            call_id: this.request.getHeader(
                                                "call-id"),
                                            cseq: this.request.cseq
                                        });
                                n.setHeader("from", this.request.getHeader("from")),
                                    n
                                    .setHeader("via", this.request.getHeader(
                                        "via")), n
                                    .setHeader("to", e.getHeader("to")), this.D =
                                    setTimeout(function() {
                                        t.timer_D()
                                    }, m.TIMER_D), this.transport.send(n)
                            }
                        }, {
                            key: "cancel",
                            value: function(e) {
                                if (this.state === b.STATUS_PROCEEDING) {
                                    var t = new p.OutgoingRequest(_.CANCEL, this
                                        .request
                                        .ruri, this.ua, {
                                            route_set: this.request.getHeaders(
                                                "route"),
                                            call_id: this.request.getHeader(
                                                "call-id"),
                                            cseq: this.request.cseq
                                        });
                                    t.setHeader("from", this.request.getHeader(
                                            "from")),
                                        t.setHeader("via", this.request.getHeader(
                                            "via")), t.setHeader("to", this.request
                                            .getHeader("to")), e && t.setHeader(
                                            "reason", e), this.transport.send(t)
                                }
                            }
                        }, {
                            key: "receiveResponse",
                            value: function(e) {
                                var t = this,
                                    n = e.status_code;
                                if (n >= 100 && n <= 199) switch (this.state) {
                                    case b.STATUS_CALLING:
                                        this.stateChanged(b.STATUS_PROCEEDING),
                                            this
                                            .eventHandlers.onReceiveResponse(e);
                                        break;
                                    case b.STATUS_PROCEEDING:
                                        this.eventHandlers.onReceiveResponse(e)
                                } else if (n >= 200 && n <= 299) switch (this
                                    .state) {
                                    case b.STATUS_CALLING:
                                    case b.STATUS_PROCEEDING:
                                        this.stateChanged(b
                                                .STATUS_ACCEPTED),
                                            this.M = setTimeout(function() {
                                                t.timer_M()
                                            }, m.TIMER_M), this
                                            .eventHandlers
                                            .onReceiveResponse(e);
                                        break;
                                    case b.STATUS_ACCEPTED:
                                        this.eventHandlers
                                            .onReceiveResponse(e)
                                } else if (n >= 300 && n <= 699) switch (
                                    this
                                    .state) {
                                    case b.STATUS_CALLING:
                                    case b.STATUS_PROCEEDING:
                                        this.stateChanged(b
                                                .STATUS_COMPLETED), this
                                            .sendACK(e), this
                                            .eventHandlers
                                            .onReceiveResponse(e);
                                        break;
                                    case b.STATUS_COMPLETED:
                                        this.sendACK(e)
                                }
                            }
                        }, {
                            key: "C",
                            get: function() {
                                return b
                            }
                        }]), n
                    }(),
                    A = function(e) {
                        l(n, d);
                        var t = a(n);

                        function n(e, r, i, o) {
                            var l;
                            s(this, n), (l = t.call(this)).id = "z9hG4bK".concat(Math.floor(1e7 *
                                Math
                                .random())), l.transport = r, l.request = i, l.eventHandlers = o;
                            var u = "SIP/2.0/".concat(r.via_transport);
                            return u += " ".concat(e.configuration.via_host, ";branch=").concat(l
                                    .id), l
                                .request.setHeader("via", u), l
                        }
                        return o(n, [{
                            key: "send",
                            value: function() {
                                this.transport.send(this.request) || this
                                    .onTransportError()
                            }
                        }, {
                            key: "onTransportError",
                            value: function() {
                                y.debug("transport error occurred for transaction "
                                        .concat(this.id)), this.eventHandlers
                                    .onTransportError()
                            }
                        }, {
                            key: "C",
                            get: function() {
                                return b
                            }
                        }]), n
                    }(),
                    R = function(e) {
                        l(n, d);
                        var t = a(n);

                        function n(e, r, i) {
                            var o;
                            return s(this, n), (o = t.call(this)).type = b.NON_INVITE_SERVER, o.id =
                                i
                                .via_branch, o.ua = e, o.transport = r, o.request = i, o
                                .last_response =
                                "", i.server_transaction = c(o), o.state = b.STATUS_TRYING, e
                                .newTransaction(c(o)), o
                        }
                        return o(n, [{
                            key: "stateChanged",
                            value: function(e) {
                                this.state = e, this.emit("stateChanged")
                            }
                        }, {
                            key: "timer_J",
                            value: function() {
                                T.debug("Timer J expired for transaction ".concat(
                                        this
                                        .id)), this.stateChanged(b
                                        .STATUS_TERMINATED),
                                    this.ua.destroyTransaction(this)
                            }
                        }, {
                            key: "onTransportError",
                            value: function() {
                                this.transportError || (this.transportError = !0, T
                                    .debug(
                                        "transport error occurred, deleting transaction "
                                        .concat(this.id)), clearTimeout(this.J),
                                    this.stateChanged(b.STATUS_TERMINATED), this
                                    .ua
                                    .destroyTransaction(this))
                            }
                        }, {
                            key: "receiveResponse",
                            value: function(e, t, n, r) {
                                var s = this;
                                if (100 === e) switch (this.state) {
                                    case b.STATUS_TRYING:
                                        this.stateChanged(b.STATUS_PROCEEDING),
                                            this
                                            .transport.send(t) || this
                                            .onTransportError();
                                        break;
                                    case b.STATUS_PROCEEDING:
                                        this.last_response = t, this.transport
                                            .send(
                                                t) ? n && n() : (this
                                                .onTransportError(), r && r())
                                } else if (e >= 200 && e <= 699) switch (this
                                    .state) {
                                    case b.STATUS_TRYING:
                                    case b.STATUS_PROCEEDING:
                                        this.stateChanged(b
                                                .STATUS_COMPLETED),
                                            this.last_response = t, this.J =
                                            setTimeout(function() {
                                                s.timer_J()
                                            }, m.TIMER_J), this.transport
                                            .send(
                                                t) ? n && n() : (this
                                                .onTransportError(), r &&
                                                r());
                                        break;
                                    case b.STATUS_COMPLETED:
                                }
                            }
                        }, {
                            key: "C",
                            get: function() {
                                return b
                            }
                        }]), n
                    }(),
                    w = function(e) {
                        l(n, d);
                        var t = a(n);

                        function n(e, r, i) {
                            var o;
                            return s(this, n), (o = t.call(this)).type = b.INVITE_SERVER, o.id = i
                                .via_branch, o.ua = e, o.transport = r, o.request = i, o
                                .last_response =
                                "", i.server_transaction = c(o), o.state = b.STATUS_PROCEEDING, e
                                .newTransaction(c(o)), o.resendProvisionalTimer = null, i.reply(
                                    100), o
                        }
                        return o(n, [{
                            key: "stateChanged",
                            value: function(e) {
                                this.state = e, this.emit("stateChanged")
                            }
                        }, {
                            key: "timer_H",
                            value: function() {
                                C.debug("Timer H expired for transaction ".concat(
                                        this
                                        .id)), this.state === b.STATUS_COMPLETED &&
                                    C
                                    .debug(
                                        "ACK not received, dialog will be terminated"
                                    ),
                                    this.stateChanged(b.STATUS_TERMINATED), this.ua
                                    .destroyTransaction(this)
                            }
                        }, {
                            key: "timer_I",
                            value: function() {
                                this.stateChanged(b.STATUS_TERMINATED), this.ua
                                    .destroyTransaction(this)
                            }
                        }, {
                            key: "timer_L",
                            value: function() {
                                C.debug("Timer L expired for transaction ".concat(
                                    this
                                    .id)), this.state === b.STATUS_ACCEPTED && (
                                    this
                                    .stateChanged(b.STATUS_TERMINATED), this.ua
                                    .destroyTransaction(this))
                            }
                        }, {
                            key: "onTransportError",
                            value: function() {
                                this.transportError || (this.transportError = !0, C
                                    .debug(
                                        "transport error occurred, deleting transaction "
                                        .concat(this.id)), null !== this
                                    .resendProvisionalTimer && (clearInterval(
                                            this
                                            .resendProvisionalTimer), this
                                        .resendProvisionalTimer = null),
                                    clearTimeout(this.L), clearTimeout(this.H),
                                    clearTimeout(this.I), this.stateChanged(b
                                        .STATUS_TERMINATED), this.ua
                                    .destroyTransaction(this))
                            }
                        }, {
                            key: "resend_provisional",
                            value: function() {
                                this.transport.send(this.last_response) || this
                                    .onTransportError()
                            }
                        }, {
                            key: "receiveResponse",
                            value: function(e, t, n, r) {
                                var s = this;
                                if (e >= 100 && e <= 199) switch (this.state) {
                                    case b.STATUS_PROCEEDING:
                                        this.transport.send(t) || this
                                            .onTransportError(), this
                                            .last_response = t
                                }
                                if (e > 100 && e <= 199 && this.state === b
                                    .STATUS_PROCEEDING) null === this
                                    .resendProvisionalTimer && (this
                                        .resendProvisionalTimer = setInterval(
                                            function() {
                                                s.resend_provisional()
                                            }, m.PROVISIONAL_RESPONSE_INTERVAL));
                                else if (e >= 200 && e <= 299) switch (this.state) {
                                    case b.STATUS_PROCEEDING:
                                        this.stateChanged(b.STATUS_ACCEPTED),
                                            this
                                            .last_response = t, this.L =
                                            setTimeout(
                                                function() {
                                                    s.timer_L()
                                                }, m.TIMER_L), null !== this
                                            .resendProvisionalTimer && (
                                                clearInterval(this
                                                    .resendProvisionalTimer),
                                                this
                                                .resendProvisionalTimer = null);
                                    case b.STATUS_ACCEPTED:
                                        this.transport.send(t) ? n && n() : (
                                            this
                                            .onTransportError(), r && r())
                                } else if (e >= 300 && e <= 699) switch (this
                                    .state) {
                                    case b.STATUS_PROCEEDING:
                                        null !== this
                                            .resendProvisionalTimer &&
                                            (clearInterval(this
                                                    .resendProvisionalTimer
                                                ),
                                                this
                                                .resendProvisionalTimer =
                                                null), this.transport.send(
                                                t) ?
                                            (this.stateChanged(b
                                                    .STATUS_COMPLETED), this
                                                .H =
                                                setTimeout(function() {
                                                    s.timer_H()
                                                }, m.TIMER_H), n && n()) : (
                                                this
                                                .onTransportError(), r &&
                                                r())
                                }
                            }
                        }, {
                            key: "C",
                            get: function() {
                                return b
                            }
                        }]), n
                    }();
                t.exports = {
                    C: b,
                    NonInviteClientTransaction: S,
                    InviteClientTransaction: E,
                    AckClientTransaction: A,
                    NonInviteServerTransaction: R,
                    InviteServerTransaction: w,
                    checkTransaction: function(e, t) {
                        var n, r = e._transactions;
                        switch (t.method) {
                            case _.INVITE:
                                if (n = r.ist[t.via_branch]) {
                                    switch (n.state) {
                                        case b.STATUS_PROCEEDING:
                                            n.transport.send(n.last_response);
                                            break;
                                        case b.STATUS_ACCEPTED:
                                    }
                                    return !0
                                }
                                break;
                            case _.ACK:
                                if (!(n = r.ist[t.via_branch])) return !1;
                                if (n.state === b.STATUS_ACCEPTED) return !1;
                                if (n.state === b.STATUS_COMPLETED) return n.state = b
                                    .STATUS_CONFIRMED, n.I = setTimeout(function() {
                                        n.timer_I()
                                    }, m.TIMER_I), !0;
                                break;
                            case _.CANCEL:
                                return (n = r.ist[t.via_branch]) ? (t.reply_sl(200), n
                                    .state !==
                                    b.STATUS_PROCEEDING) : (t.reply_sl(481), !0);
                            default:
                                if (n = r.nist[t.via_branch]) {
                                    switch (n.state) {
                                        case b.STATUS_TRYING:
                                            break;
                                        case b.STATUS_PROCEEDING:
                                        case b.STATUS_COMPLETED:
                                            n.transport.send(n.last_response)
                                    }
                                    return !0
                                }
                        }
                    }
                }
            }, {
                "./Constants": 2,
                "./Logger": 9,
                "./SIPMessage": 21,
                "./Timers": 23,
                events: 31
            }],
            25: [function(e, t, n) {
                "use strict";

                function r(e, t) {
                    for (var n = 0; n < t.length; n++) {
                        var r = t[n];
                        r.enumerable = r.enumerable || !1, r.configurable = !0, "value" in r && (r
                            .writable = !0), Object.defineProperty(e, r.key, r)
                    }
                }
                var s = e("./Logger"),
                    i = e("./Socket"),
                    o = e("./Constants"),
                    l = new s("Transport"),
                    u = {
                        STATUS_CONNECTED: 0,
                        STATUS_CONNECTING: 1,
                        STATUS_DISCONNECTED: 2,
                        SOCKET_STATUS_READY: 0,
                        SOCKET_STATUS_ERROR: 1,
                        recovery_options: {
                            min_interval: o.CONNECTION_RECOVERY_MIN_INTERVAL,
                            max_interval: o.CONNECTION_RECOVERY_MAX_INTERVAL
                        }
                    };
                t.exports = function() {
                    function e(t) {
                        var n = arguments.length > 1 && void 0 !== arguments[1] ? arguments[1] :
                            u
                            .recovery_options;
                        ! function(e, t) {
                            if (!(e instanceof t)) throw new TypeError(
                                "Cannot call a class as a function")
                        }(this, e), l.debug("new()"), this.status = u.STATUS_DISCONNECTED, this
                            .socket = null, this.sockets = [], this.recovery_options = n, this
                            .recover_attempts = 0, this.recovery_timer = null, this
                            .close_requested = !1;
                        try {
                            this.textDecoder = new TextDecoder("utf8")
                        } catch (e) {
                            l.warn("cannot use TextDecoder: ".concat(e))
                        }
                        if (void 0 === t) throw new TypeError(
                            "Invalid argument. undefined 'sockets' argument");
                        t instanceof Array || (t = [t]), t.forEach(function(e) {
                            if (!i.isSocket(e.socket)) throw new TypeError(
                                "Invalid argument. invalid 'JsSIP.Socket' instance"
                            );
                            if (e.weight && !Number(e.weight)) throw new TypeError(
                                "Invalid argument. 'weight' attribute is not a number"
                            );
                            this.sockets.push({
                                socket: e.socket,
                                weight: e.weight || 0,
                                status: u.SOCKET_STATUS_READY
                            })
                        }, this), this._getSocket()
                    }
                    var t, n, s;
                    return t = e, (n = [{
                        key: "connect",
                        value: function() {
                            l.debug("connect()"), this.isConnected() ? l.debug(
                                    "Transport is already connected") : this
                                .isConnecting() ? l.debug(
                                    "Transport is connecting") : (this
                                    .close_requested = !1, this.status = u
                                    .STATUS_CONNECTING, this.onconnecting({
                                        socket: this.socket,
                                        attempts: this.recover_attempts
                                    }), this.close_requested || (this.socket
                                        .onconnect = this._onConnect.bind(this),
                                        this.socket.ondisconnect = this
                                        ._onDisconnect.bind(this), this.socket
                                        .ondata = this._onData.bind(this), this
                                        .socket.connect()))
                        }
                    }, {
                        key: "disconnect",
                        value: function() {
                            l.debug("close()"), this.close_requested = !0, this
                                .recover_attempts = 0, this.status = u
                                .STATUS_DISCONNECTED, null !== this
                                .recovery_timer && (clearTimeout(this
                                        .recovery_timer), this.recovery_timer =
                                    null), this.socket.onconnect =
                                function() {},
                                this.socket.ondisconnect = function() {}, this
                                .socket.ondata = function() {}, this.socket
                                .disconnect(), this.ondisconnect({
                                    socket: this.socket,
                                    error: !1
                                })
                        }
                    }, {
                        key: "send",
                        value: function(e) {
                            if (l.debug("send()"), !this.isConnected()) return l
                                .warn(
                                    "unable to send message, transport is not connected"
                                ), !1;
                            var t = e.toString();
                            return l.debug("sending message:\n\n".concat(t,
                                    "\n")),
                                this.socket.send(t)
                        }
                    }, {
                        key: "isConnected",
                        value: function() {
                            return this.status === u.STATUS_CONNECTED
                        }
                    }, {
                        key: "isConnecting",
                        value: function() {
                            return this.status === u.STATUS_CONNECTING
                        }
                    }, {
                        key: "_reconnect",
                        value: function() {
                            var e = this;
                            this.recover_attempts += 1;
                            var t = Math.floor(Math.random() * Math.pow(2, this
                                .recover_attempts) + 1);
                            t < this.recovery_options.min_interval ? t = this
                                .recovery_options.min_interval : t > this
                                .recovery_options.max_interval && (t = this
                                    .recovery_options.max_interval), l.debug(
                                    "reconnection attempt: ".concat(this
                                        .recover_attempts,
                                        ". next connection attempt in ").concat(
                                        t,
                                        " seconds")), this.recovery_timer =
                                setTimeout(function() {
                                    e.close_requested || e.isConnected() ||
                                        e
                                        .isConnecting() || (e._getSocket(),
                                            e
                                            .connect())
                                }, 1e3 * t)
                        }
                    }, {
                        key: "_getSocket",
                        value: function() {
                            var e = [];
                            if (this.sockets.forEach(function(t) {
                                    t.status !== u.SOCKET_STATUS_ERROR && (
                                        0 ===
                                        e.length ? e.push(t) : t
                                        .weight > e[
                                            0].weight ? e = [t] : t
                                        .weight === e[0].weight && e
                                        .push(t)
                                    )
                                }), 0 === e.length) return this.sockets.forEach(
                                function(e) {
                                    e.status = u.SOCKET_STATUS_READY
                                }), void this._getSocket();
                            var t = Math.floor(Math.random() * e.length);
                            this.socket = e[t].socket
                        }
                    }, {
                        key: "_onConnect",
                        value: function() {
                            this.recover_attempts = 0, this.status = u
                                .STATUS_CONNECTED, null !== this
                                .recovery_timer && (
                                    clearTimeout(this.recovery_timer), this
                                    .recovery_timer = null), this.onconnect({
                                    socket: this
                                })
                        }
                    }, {
                        key: "_onDisconnect",
                        value: function(e, t, n) {
                            this.status = u.STATUS_DISCONNECTED, this
                                .ondisconnect({
                                    socket: this.socket,
                                    error: e,
                                    code: t,
                                    reason: n
                                }), this.close_requested || (this.sockets
                                    .forEach(
                                        function(e) {
                                            this.socket === e.socket && (e
                                                .status =
                                                u.SOCKET_STATUS_ERROR)
                                        }, this), this._reconnect(e))
                        }
                    }, {
                        key: "_onData",
                        value: function(e) {
                            if ("\r\n" !== e) {
                                if ("string" != typeof e) {
                                    try {
                                        e = this.textDecoder ? this.textDecoder
                                            .decode(e) : String.fromCharCode
                                            .apply(
                                                null, new Uint8Array(e))
                                    } catch (e) {
                                        return void l.debug(
                                            "received binary message failed to be converted into string, message discarded"
                                        )
                                    }
                                    l.debug("received binary message:\n\n"
                                        .concat(e,
                                            "\n"))
                                } else {
                                    l.debug("received text message:\n\n"
                                    .concat(
                                        e, "\n"));
                                    //处理服务端发送数据：如果包含webjson=内容则返回给回调方法
                                    if(e.includes("webjson=")){
                                        const webjson = e.slice(e.indexOf('webjson=') + 'webjson='.length)
                                        // 去除首尾可能的空白字符（可选，但更健壮）
                                        eval("org_eve")(JSON.parse(webjson.trim()))
                                    }
                                }
                                    
                                this.ondata({
                                    transport: this,
                                    message: e
                                })
                            } else l.debug(
                                "received message with CRLF Keep Alive response"
                            )
                        }
                    }, {
                        key: "via_transport",
                        get: function() {
                            return this.socket.via_transport
                        }
                    }, {
                        key: "url",
                        get: function() {
                            return this.socket.url
                        }
                    }, {
                        key: "sip_uri",
                        get: function() {
                            return this.socket.sip_uri
                        }
                    }]) && r(t.prototype, n), s && r(t, s), e
                }()
            }, {
                "./Constants": 2,
                "./Logger": 9,
                "./Socket": 22
            }],
            26: [function(e, t, n) {
                "use strict";

                function r(e) {
                    return (r = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ?
                        function(e) {
                            return typeof e
                        } : function(e) {
                            return e && "function" == typeof Symbol && e.constructor ===
                                Symbol &&
                                e !== Symbol.prototype ? "symbol" : typeof e
                        })(e)
                }

                function s(e, t) {
                    for (var n = 0; n < t.length; n++) {
                        var r = t[n];
                        r.enumerable = r.enumerable || !1, r.configurable = !0, "value" in r && (r
                            .writable = !0), Object.defineProperty(e, r.key, r)
                    }
                }

                function i(e, t, n) {
                    return t && s(e.prototype, t), n && s(e, n), e
                }

                function o(e, t) {
                    return (o = Object.setPrototypeOf || function(e, t) {
                        return e.__proto__ = t, e
                    })(e, t)
                }

                function l(e) {
                    var t = function() {
                        if ("undefined" == typeof Reflect || !Reflect.construct) return !1;
                        if (Reflect.construct.sham) return !1;
                        if ("function" == typeof Proxy) return !0;
                        try {
                            return Date.prototype.toString.call(Reflect.construct(Date, [],
                                function() {})), !0
                        } catch (e) {
                            return !1
                        }
                    }();
                    return function() {
                        var n, s = a(e);
                        if (t) {
                            var i = a(this).constructor;
                            n = Reflect.construct(s, arguments, i)
                        } else n = s.apply(this, arguments);
                        return function(e, t) {
                            if (t && ("object" === r(t) || "function" == typeof t))
                                return t;
                            return u(e)
                        }(this, n)
                    }
                }

                function u(e) {
                    if (void 0 === e) throw new ReferenceError(
                        "this hasn't been initialised - super() hasn't been called");
                    return e
                }

                function a(e) {
                    return (a = Object.setPrototypeOf ? Object.getPrototypeOf : function(e) {
                        return e.__proto__ || Object.getPrototypeOf(e)
                    })(e)
                }
                var c = e("events").EventEmitter,
                    h = e("./Logger"),
                    d = e("./Constants"),
                    f = e("./Registrator"),
                    _ = e("./RTCSession"),
                    p = e("./Message"),
                    m = e("./Options"),
                    v = e("./Transactions"),
                    g = e("./Transport"),
                    y = e("./Utils"),
                    T = e("./Exceptions"),
                    C = e("./URI"),
                    b = e("./Parser"),
                    S = e("./SIPMessage"),
                    E = e("./sanityCheck"),
                    A = e("./Config"),
                    R = new h("UA"),
                    w = {
                        STATUS_INIT: 0,
                        STATUS_READY: 1,
                        STATUS_USER_CLOSED: 2,
                        STATUS_NOT_READY: 3,
                        CONFIGURATION_ERROR: 1,
                        NETWORK_ERROR: 2
                    };
                t.exports = function(e) {
                    ! function(e, t) {
                        if ("function" != typeof t && null !== t) throw new TypeError(
                            "Super expression must either be null or a function");
                        e.prototype = Object.create(t && t.prototype, {
                            constructor: {
                                value: e,
                                writable: !0,
                                configurable: !0
                            }
                        }), t && o(e, t)
                    }(n, c);
                    var t = l(n);

                    function n(e) {
                        var r;
                        if (function(e, t) {
                                if (!(e instanceof t)) throw new TypeError(
                                    "Cannot call a class as a function")
                            }(this, n), R.debug("new() [configuration:%o]", e), (r = t.call(
                                this))
                            ._cache = {
                                credentials: {}
                            }, r._configuration = Object.assign({}, A.settings), r
                            ._dynConfiguration = {}, r._dialogs = {}, r._applicants = {}, r
                            ._sessions = {}, r._transport = null, r._contact = null, r._status =
                            w
                            .STATUS_INIT, r._error = null, r._transactions = {
                                nist: {},
                                nict: {},
                                ist: {},
                                ict: {}
                            }, r._data = {}, r._closeTimer = null, void 0 === e)
                            throw new TypeError("Not enough arguments");
                        try {
                            r._loadConfig(e)
                        } catch (e) {
                            throw r._status = w.STATUS_NOT_READY, r._error = w
                                .CONFIGURATION_ERROR,
                                e
                        }
                        return r._registrator = new f(u(r)), r
                    }
                    return i(n, null, [{
                        key: "C",
                        get: function() {
                            return w
                        }
                    }]), i(n, [{
                        key: "start",
                        value: function() {
                            R.debug("start()"), this._status === w.STATUS_INIT ?
                                this._transport.connect() : this._status === w
                                .STATUS_USER_CLOSED ? (R.debug("restarting UA"),
                                    null !== this._closeTimer && (clearTimeout(
                                            this
                                            ._closeTimer), this._closeTimer =
                                        null,
                                        this._transport.disconnect()), this
                                    ._status = w.STATUS_INIT, this._transport
                                    .connect()) : this._status === w
                                .STATUS_READY ?
                                R.debug(
                                    "UA is in READY status, not restarted") : R
                                .debug(
                                    "ERROR: connection is down, Auto-Recovery system is trying to reconnect"
                                ), this._dynConfiguration.register = this
                                ._configuration.register
                        }
                    }, {
                        key: "register",
                        value: function() {
                            R.debug("register()"), this._dynConfiguration
                                .register = !0, this._registrator.register()
                        }
                    }, {
                        key: "unregister",
                        value: function(e) {
                            R.debug("unregister()"), this._dynConfiguration
                                .register = !1, this._registrator.unregister(e)
                        }
                    }, {
                        key: "registrator",
                        value: function() {
                            return this._registrator
                        }
                    }, {
                        key: "isRegistered",
                        value: function() {
                            return this._registrator.registered
                        }
                    }, {
                        key: "isConnected",
                        value: function() {
                            return this._transport.isConnected()
                        }
                    }, {
                        key: "call",
                        value: function(e, t) {
                            R.debug("call()");
                            var n = new _(this);
                            return n.connect(e, t), n
                        }
                    }, {
                        key: "sendMessage",
                        value: function(e, t, n) {
                            R.debug("sendMessage()");
                            var r = new p(this);
                            return r.send(e, t, n), r
                        }
                    }, {
                        key: "sendOptions",
                        value: function(e, t, n) {
                            R.debug("sendOptions()");
                            var r = new m(this);
                            return r.send(e, t, n), r
                        }
                    }, {
                        key: "terminateSessions",
                        value: function(e) {
                            for (var t in R.debug("terminateSessions()"), this
                                    ._sessions) this._sessions[t].isEnded() ||
                                this
                                ._sessions[t].terminate(e)
                        }
                    }, {
                        key: "stop",
                        value: function() {
                            var e = this;
                            if (R.debug("stop()"), this._dynConfiguration = {},
                                this
                                ._status !== w.STATUS_USER_CLOSED) {
                                this._registrator.close();
                                var t = Object.keys(this._sessions).length;
                                for (var n in this._sessions)
                                    if (Object.prototype.hasOwnProperty.call(
                                            this
                                            ._sessions, n)) {
                                        R.debug("closing session ".concat(n));
                                        try {
                                            this._sessions[n].terminate()
                                        } catch (e) {}
                                    } for (var r in this._applicants)
                                    if (Object.prototype.hasOwnProperty.call(
                                            this
                                            ._applicants, r)) try {
                                        this._applicants[r].close()
                                    } catch (e) {}
                                this._status = w.STATUS_USER_CLOSED, 0 ===
                                    Object
                                    .keys(this._transactions.nict).length +
                                    Object
                                    .keys(this._transactions.nist).length +
                                    Object
                                    .keys(this._transactions.ict).length +
                                    Object
                                    .keys(this._transactions.ist).length &&
                                    0 ===
                                    t ? this._transport.disconnect() : this
                                    ._closeTimer = setTimeout(function() {
                                        e._closeTimer = null, e._transport
                                            .disconnect()
                                    }, 2e3)
                            } else R.debug("UA already closed")
                        }
                    }, {
                        key: "normalizeTarget",
                        value: function(e) {
                            return y.normalizeTarget(e, this._configuration
                                .hostport_params)
                        }
                    }, {
                        key: "get",
                        value: function(e) {
                            switch (e) {
                                case "authorization_user":
                                    return this._configuration
                                        .authorization_user;
                                case "realm":
                                    return this._configuration.realm;
                                case "ha1":
                                    return this._configuration.ha1;
                                case "authorization_jwt":
                                    return this._configuration
                                        .authorization_jwt;
                                default:
                                    return void R.warn(
                                        'get() | cannot get "%s" parameter in runtime',
                                        e)
                            }
                        }
                    }, {
                        key: "set",
                        value: function(e, t) {
                            switch (e) {
                                case "authorization_user":
                                    this._configuration.authorization_user =
                                        String(
                                            t);
                                    break;
                                case "password":
                                    this._configuration.password = String(t);
                                    break;
                                case "realm":
                                    this._configuration.realm = String(t);
                                    break;
                                case "ha1":
                                    this._configuration.ha1 = String(t), this
                                        ._configuration.password = null;
                                    break;
                                case "authorization_jwt":
                                    this._configuration.authorization_jwt =
                                        String(
                                            t);
                                    break;
                                case "display_name":
                                    this._configuration.display_name = t;
                                    break;
                                default:
                                    return R.warn(
                                        'set() | cannot set "%s" parameter in runtime',
                                        e), !1
                            }
                            return !0
                        }
                    }, {
                        key: "newTransaction",
                        value: function(e) {
                            this._transactions[e.type][e.id] = e, this.emit(
                                "newTransaction", {
                                    transaction: e
                                })
                        }
                    }, {
                        key: "destroyTransaction",
                        value: function(e) {
                            delete this._transactions[e.type][e.id], this.emit(
                                "transactionDestroyed", {
                                    transaction: e
                                })
                        }
                    }, {
                        key: "newDialog",
                        value: function(e) {
                            this._dialogs[e.id] = e
                        }
                    }, {
                        key: "destroyDialog",
                        value: function(e) {
                            delete this._dialogs[e.id]
                        }
                    }, {
                        key: "newMessage",
                        value: function(e, t) {
                            this._applicants[e] = e, this.emit("newMessage", t)
                        }
                    }, {
                        key: "newOptions",
                        value: function(e, t) {
                            this._applicants[e] = e, this.emit("newOptions", t)
                        }
                    }, {
                        key: "destroyMessage",
                        value: function(e) {
                            delete this._applicants[e]
                        }
                    }, {
                        key: "newRTCSession",
                        value: function(e, t) {
                            this._sessions[e.id] = e, this.emit("newRTCSession",
                                t)
                        }
                    }, {
                        key: "destroyRTCSession",
                        value: function(e) {
                            delete this._sessions[e.id]
                        }
                    }, {
                        key: "registered",
                        value: function(e) {
                            this.emit("registered", e)
                        }
                    }, {
                        key: "unregistered",
                        value: function(e) {
                            this.emit("unregistered", e)
                        }
                    }, {
                        key: "registrationFailed",
                        value: function(e) {
                            this.emit("registrationFailed", e)
                        }
                    }, {
                        key: "receiveRequest",
                        value: function(e) {
                            var t = e.method;
                            if (e.ruri.user !== this._configuration.uri.user &&
                                e
                                .ruri.user !== this._contact.uri.user) return R
                                .debug("Request-URI does not point to us"),
                                void(e.method !== d.ACK && e.reply_sl(404));
                            if (e.ruri.scheme !== d.SIPS) {
                                if (!v.checkTransaction(this, e)) {
                                    if (t === d.INVITE ? new v
                                        .InviteServerTransaction(this, this
                                            ._transport, e) : t !== d.ACK &&
                                        t !== d
                                        .CANCEL && new v
                                        .NonInviteServerTransaction(
                                            this, this._transport, e), t === d
                                        .OPTIONS) {
                                        if (0 === this.listeners("newOptions")
                                            .length) return void e.reply(200);
                                        new m(this).init_incoming(e)
                                    } else if (t === d.MESSAGE) {
                                        if (0 === this.listeners("newMessage")
                                            .length) return void e.reply(405);
                                        new p(this).init_incoming(e)
                                    } else if (t === d.INVITE && !e.to_tag &&
                                        0 ===
                                        this.listeners("newRTCSession").length)
                                        return void e.reply(405);
                                    var n, r;
                                    if (e.to_tag)(n = this._findDialog(e
                                            .call_id, e
                                            .from_tag, e.to_tag)) ? n
                                        .receiveRequest(e) : t === d.NOTIFY ? (
                                            r =
                                            this._findSession(e)) ? r
                                        .receiveRequest(e) : (R.debug(
                                            "received NOTIFY request for a non existent subscription"
                                        ), e.reply(481,
                                            "Subscription does not exist")) :
                                        t !==
                                        d.ACK && e.reply(481);
                                    else switch (t) {
                                        case d.INVITE:
                                            if (window.RTCPeerConnection)
                                                if (e.hasHeader(
                                                        "replaces")) {
                                                    var s = e.replaces;
                                                    (n = this._findDialog(s
                                                        .call_id, s
                                                        .from_tag, s
                                                        .to_tag
                                                    )) ? (r = n.owner)
                                                    .isEnded() ? e.reply(
                                                            603) :
                                                        r.receiveRequest(e):
                                                        e
                                                        .reply(481)
                                                } else(r = new _(this))
                                                    .init_incoming(e);
                                            else R.warn(
                                                "INVITE received but WebRTC is not supported"
                                            ), e.reply(488);
                                            break;
                                        case d.BYE:
                                            e.reply(481);
                                            break;
                                        case d.CANCEL:
                                            (r = this._findSession(e)) ? r
                                                .receiveRequest(e): R.debug(
                                                    "received CANCEL request for a non existent session"
                                                );
                                            break;
                                        case d.ACK:
                                            break;
                                        case d.NOTIFY:
                                            this.emit("sipEvent", {
                                                event: e.event,
                                                request: e
                                            }), e.reply(200);
                                            break;
                                        default:
                                            e.reply(405)
                                    }
                                }
                            } else e.reply_sl(416)
                        }
                    }, {
                        key: "_findSession",
                        value: function(e) {
                            var t = e.call_id,
                                n = e.from_tag,
                                r = e.to_tag,
                                s = t + n,
                                i = this._sessions[s],
                                o = t + r,
                                l = this._sessions[o];
                            return i || (l || null)
                        }
                    }, {
                        key: "_findDialog",
                        value: function(e, t, n) {
                            var r = e + t + n,
                                s = this._dialogs[r];
                            return s || (r = e + n + t, (s = this._dialogs[
                                    r]) ||
                                null)
                        }
                    }, {
                        key: "_loadConfig",
                        value: function(e) {
                            try {
                                A.load(this._configuration, e)
                            } catch (e) {
                                throw e
                            }
                            0 === this._configuration.display_name && (this
                                    ._configuration.display_name = "0"), this
                                ._configuration.instance_id || (this
                                    ._configuration
                                    .instance_id = y.newUUID()), this
                                ._configuration
                                .jssip_id = y.createRandomToken(5);
                            var t = this._configuration.uri.clone();
                            t.user = null, this._configuration.hostport_params =
                                t
                                .toString().replace(/^sip:/i, "");
                            try {
                                this._transport = new g(this._configuration
                                        .sockets, {
                                            max_interval: this._configuration
                                                .connection_recovery_max_interval,
                                            min_interval: this._configuration
                                                .connection_recovery_min_interval
                                        }), this._transport.onconnecting =
                                    function(e) {
                                        this.emit("connecting", e)
                                    }.bind(this), this._transport.onconnect =
                                    function(e) {
                                        if (this._status === w
                                            .STATUS_USER_CLOSED)
                                            return;
                                        this._status = w.STATUS_READY, this
                                            ._error =
                                            null, this.emit("connected", e),
                                            this
                                            ._dynConfiguration.register && this
                                            ._registrator.register()
                                    }.bind(this), this._transport.ondisconnect =
                                    function(e) {
                                        for (var t = 0, n = ["nict", "ict",
                                                "nist",
                                                "ist"
                                            ]; t < n.length; t++) {
                                            var r = n[t];
                                            for (var s in this._transactions[r])
                                                Object.prototype.hasOwnProperty
                                                .call(this._transactions[r],
                                                    s) &&
                                                this._transactions[r][s]
                                                .onTransportError()
                                        }
                                        this.emit("disconnected", e), this
                                            ._registrator.onTransportClosed(),
                                            this
                                            ._status !== w.STATUS_USER_CLOSED &&
                                            (
                                                this._status = w
                                                .STATUS_NOT_READY,
                                                this._error = w.NETWORK_ERROR)
                                    }.bind(this), this._transport.ondata =
                                    function(
                                        e) {
                                        var t = e.transport,
                                            n = e.message;
                                        if (!(n = b.parseMessage(n, this)))
                                            return;
                                        if (this._status === w
                                            .STATUS_USER_CLOSED &&
                                            n instanceof S.IncomingRequest)
                                            return;
                                        if (!E(n, this, t)) return;
                                        if (n instanceof S.IncomingRequest) n
                                            .transport = t, this.receiveRequest(
                                                n);
                                        else if (n instanceof S
                                            .IncomingResponse) {
                                            var r;
                                            switch (n.method) {
                                                case d.INVITE:
                                                    (r = this._transactions.ict[
                                                        n
                                                        .via_branch]) && r
                                                        .receiveResponse(n);
                                                    break;
                                                case d.ACK:
                                                    break;
                                                default:
                                                    (r = this._transactions
                                                        .nict[n
                                                            .via_branch]) && r
                                                        .receiveResponse(n)
                                            }
                                        }
                                    }.bind(this)
                            } catch (e) {
                                throw R.warn(e), new T.ConfigurationError(
                                    "sockets",
                                    this._configuration.sockets)
                            }
                            if (delete this._configuration.sockets, this
                                ._configuration.authorization_user || (this
                                    ._configuration.authorization_user = this
                                    ._configuration.uri.user), !this
                                ._configuration
                                .registrar_server) {
                                var n = this._configuration.uri.clone();
                                n.user = null, n.clearParams(), n
                                    .clearHeaders(),
                                    this._configuration.registrar_server = n
                            }
                            this._configuration.no_answer_timeout *= 1e3, this
                                ._configuration.contact_uri ? this
                                ._configuration
                                .via_host = this._configuration.contact_uri
                                .host :
                                this._configuration.contact_uri = new C("sip", y
                                    .createRandomToken(8), this._configuration
                                    .via_host, null, {
                                        transport: "ws"
                                    }), this._contact = {
                                    pub_gruu: null,
                                    temp_gruu: null,
                                    uri: this._configuration.contact_uri,
                                    toString: function() {
                                        var e = arguments.length > 0 &&
                                            void 0 !== arguments[0] ?
                                            arguments[
                                                0] : {},
                                            t = e.anonymous || null,
                                            n = e.outbound || null,
                                            r = "<";
                                        return r += t ? this.temp_gruu ||
                                            "sip:anonymous@anonymous.invalid;transport=ws" :
                                            this.pub_gruu || this.uri
                                            .toString(), !n || (t ? this
                                                .temp_gruu :
                                                this.pub_gruu) || (r +=
                                                ";ob"),
                                            r += ">"
                                    }
                                };
                            var r = ["authorization_user", "password", "realm",
                                "ha1", "authorization_jwt", "display_name",
                                "register"
                            ];
                            for (var s in this._configuration) Object.prototype
                                .hasOwnProperty.call(this._configuration, s) &&
                                (-
                                    1 !== r.indexOf(s) ? Object.defineProperty(
                                        this
                                        ._configuration, s, {
                                            writable: !0,
                                            configurable: !1
                                        }) : Object.defineProperty(this
                                        ._configuration, s, {
                                            writable: !1,
                                            configurable: !1
                                        }));
                            for (var i in R.debug(
                                    "configuration parameters after validation:"
                                ), this._configuration)
                                if (Object.prototype.hasOwnProperty.call(A
                                        .settings,
                                        i)) switch (i) {
                                    case "uri":
                                    case "registrar_server":
                                        R.debug("- ".concat(i, ": ").concat(
                                            this
                                            ._configuration[i]));
                                        break;
                                    case "password":
                                    case "ha1":
                                    case "authorization_jwt":
                                        R.debug("- ".concat(i,
                                            ": NOT SHOWN"));
                                        break;
                                    default:
                                        R.debug("- ".concat(i, ": ").concat(
                                            JSON
                                            .stringify(this
                                                ._configuration[i])
                                        ))
                                }
                        }
                    }, {
                        key: "C",
                        get: function() {
                            return w
                        }
                    }, {
                        key: "status",
                        get: function() {
                            return this._status
                        }
                    }, {
                        key: "contact",
                        get: function() {
                            return this._contact
                        }
                    }, {
                        key: "configuration",
                        get: function() {
                            return this._configuration
                        }
                    }, {
                        key: "transport",
                        get: function() {
                            return this._transport
                        }
                    }]), n
                }()
            }, {
                "./Config": 1,
                "./Constants": 2,
                "./Exceptions": 6,
                "./Logger": 9,
                "./Message": 10,
                "./Options": 12,
                "./Parser": 13,
                "./RTCSession": 14,
                "./Registrator": 19,
                "./SIPMessage": 21,
                "./Transactions": 24,
                "./Transport": 25,
                "./URI": 27,
                "./Utils": 28,
                "./sanityCheck": 30,
                events: 31
            }],
            27: [function(e, t, n) {
                "use strict";

                function r(e, t) {
                    var n;
                    if ("undefined" == typeof Symbol || null == e[Symbol.iterator]) {
                        if (Array.isArray(e) || (n = function(e, t) {
                                if (!e) return;
                                if ("string" == typeof e) return s(e, t);
                                var n = Object.prototype.toString.call(e).slice(8, -1);
                                "Object" === n && e.constructor && (n = e.constructor.name);
                                if ("Map" === n || "Set" === n) return Array.from(e);
                                if ("Arguments" === n ||
                                    /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/
                                    .test(n)) return s(e, t)
                            }(e)) || t && e && "number" == typeof e.length) {
                            n && (e = n);
                            var r = 0,
                                i = function() {};
                            return {
                                s: i,
                                n: function() {
                                    return r >= e.length ? {
                                        done: !0
                                    } : {
                                        done: !1,
                                        value: e[r++]
                                    }
                                },
                                e: function(e) {
                                    throw e
                                },
                                f: i
                            }
                        }
                        throw new TypeError(
                            "Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."
                        )
                    }
                    var o, l = !0,
                        u = !1;
                    return {
                        s: function() {
                            n = e[Symbol.iterator]()
                        },
                        n: function() {
                            var e = n.next();
                            return l = e.done, e
                        },
                        e: function(e) {
                            u = !0, o = e
                        },
                        f: function() {
                            try {
                                l || null == n.return || n.return()
                            } finally {
                                if (u) throw o
                            }
                        }
                    }
                }

                function s(e, t) {
                    (null == t || t > e.length) && (t = e.length);
                    for (var n = 0, r = new Array(t); n < t; n++) r[n] = e[n];
                    return r
                }

                function i(e, t) {
                    for (var n = 0; n < t.length; n++) {
                        var r = t[n];
                        r.enumerable = r.enumerable || !1, r.configurable = !0, "value" in r && (r
                            .writable = !0), Object.defineProperty(e, r.key, r)
                    }
                }

                function o(e, t, n) {
                    return t && i(e.prototype, t), n && i(e, n), e
                }
                var l = e("./Constants"),
                    u = e("./Utils"),
                    a = e("./Grammar");
                t.exports = function() {
                    function e(t, n, r, s) {
                        var i = arguments.length > 4 && void 0 !== arguments[4] ? arguments[4] :
                            {},
                            o = arguments.length > 5 && void 0 !== arguments[5] ? arguments[5] :
                            {};
                        if (function(e, t) {
                                if (!(e instanceof t)) throw new TypeError(
                                    "Cannot call a class as a function")
                            }(this, e), !r) throw new TypeError(
                            'missing or invalid "host" parameter');
                        for (var u in this._parameters = {}, this._headers = {}, this._scheme =
                                t ||
                                l.SIP, this._user = n, this._host = r, this._port = s, i) Object
                            .prototype.hasOwnProperty.call(i, u) && this.setParam(u, i[u]);
                        for (var a in o) Object.prototype.hasOwnProperty.call(o, a) && this
                            .setHeader(a, o[a])
                    }
                    return o(e, null, [{
                        key: "parse",
                        value: function(e) {
                            return -1 !== (e = a.parse(e, "SIP_URI")) ? e :
                                void 0
                        }
                    }]), o(e, [{
                        key: "setParam",
                        value: function(e, t) {
                            e && (this._parameters[e.toLowerCase()] = null ==
                                t ?
                                null : t.toString())
                        }
                    }, {
                        key: "getParam",
                        value: function(e) {
                            if (e) return this._parameters[e.toLowerCase()]
                        }
                    }, {
                        key: "hasParam",
                        value: function(e) {
                            if (e) return !!this._parameters.hasOwnProperty(e
                                .toLowerCase())
                        }
                    }, {
                        key: "deleteParam",
                        value: function(e) {
                            if (e = e.toLowerCase(), this._parameters
                                .hasOwnProperty(e)) {
                                var t = this._parameters[e];
                                return delete this._parameters[e], t
                            }
                        }
                    }, {
                        key: "clearParams",
                        value: function() {
                            this._parameters = {}
                        }
                    }, {
                        key: "setHeader",
                        value: function(e, t) {
                            this._headers[u.headerize(e)] = Array.isArray(t) ?
                                t : [
                                    t
                                ]
                        }
                    }, {
                        key: "getHeader",
                        value: function(e) {
                            if (e) return this._headers[u.headerize(e)]
                        }
                    }, {
                        key: "hasHeader",
                        value: function(e) {
                            if (e) return !!this._headers.hasOwnProperty(u
                                .headerize(e))
                        }
                    }, {
                        key: "deleteHeader",
                        value: function(e) {
                            if (e = u.headerize(e), this._headers
                                .hasOwnProperty(
                                    e)) {
                                var t = this._headers[e];
                                return delete this._headers[e], t
                            }
                        }
                    }, {
                        key: "clearHeaders",
                        value: function() {
                            this._headers = {}
                        }
                    }, {
                        key: "clone",
                        value: function() {
                            return new e(this._scheme, this._user, this._host,
                                this
                                ._port, JSON.parse(JSON.stringify(this
                                    ._parameters)), JSON.parse(JSON
                                    .stringify(
                                        this._headers)))
                        }
                    }, {
                        key: "toString",
                        value: function() {
                            var e = [],
                                t = "".concat(this._scheme, ":");
                            for (var n in this._user && (t += "".concat(u
                                        .escapeUser(this._user), "@")), t +=
                                    this
                                    ._host, (this._port || 0 === this._port) &&
                                    (
                                        t += ":".concat(this._port)), this
                                    ._parameters) Object.prototype
                                .hasOwnProperty
                                .call(this._parameters, n) && (t += ";".concat(
                                        n),
                                    null !== this._parameters[n] && (t += "="
                                        .concat(this._parameters[n])));
                            for (var s in this._headers)
                                if (Object.prototype.hasOwnProperty.call(this
                                        ._headers, s)) {
                                    var i, o = r(this._headers[s]);
                                    try {
                                        for (o.s(); !(i = o.n()).done;) {
                                            var l = i.value;
                                            e.push("".concat(s, "=").concat(l))
                                        }
                                    } catch (e) {
                                        o.e(e)
                                    } finally {
                                        o.f()
                                    }
                                } return e.length > 0 && (t += "?".concat(e
                                .join(
                                    "&"))), t
                        }
                    }, {
                        key: "toAor",
                        value: function(e) {
                            var t = "".concat(this._scheme, ":");
                            return this._user && (t += "".concat(u.escapeUser(
                                this
                                ._user), "@")), t += this._host, e && (this
                                ._port || 0 === this._port) && (t += ":"
                                .concat(
                                    this._port)), t
                        }
                    }, {
                        key: "scheme",
                        get: function() {
                            return this._scheme
                        },
                        set: function(e) {
                            this._scheme = e.toLowerCase()
                        }
                    }, {
                        key: "user",
                        get: function() {
                            return this._user
                        },
                        set: function(e) {
                            this._user = e
                        }
                    }, {
                        key: "host",
                        get: function() {
                            return this._host
                        },
                        set: function(e) {
                            this._host = e.toLowerCase()
                        }
                    }, {
                        key: "port",
                        get: function() {
                            return this._port
                        },
                        set: function(e) {
                            this._port = 0 === e ? e : parseInt(e, 10) || null
                        }
                    }]), e
                }()
            }, {
                "./Constants": 2,
                "./Grammar": 7,
                "./Utils": 28
            }],
            28: [function(e, t, n) {
                "use strict";

                function r(e) {
                    return (r = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ?
                        function(e) {
                            return typeof e
                        } : function(e) {
                            return e && "function" == typeof Symbol && e.constructor ===
                                Symbol &&
                                e !== Symbol.prototype ? "symbol" : typeof e
                        })(e)
                }

                function s(e, t) {
                    var n;
                    if ("undefined" == typeof Symbol || null == e[Symbol.iterator]) {
                        if (Array.isArray(e) || (n = function(e, t) {
                                if (!e) return;
                                if ("string" == typeof e) return i(e, t);
                                var n = Object.prototype.toString.call(e).slice(8, -1);
                                "Object" === n && e.constructor && (n = e.constructor.name);
                                if ("Map" === n || "Set" === n) return Array.from(e);
                                if ("Arguments" === n ||
                                    /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/
                                    .test(n)) return i(e, t)
                            }(e)) || t && e && "number" == typeof e.length) {
                            n && (e = n);
                            var r = 0,
                                s = function() {};
                            return {
                                s: s,
                                n: function() {
                                    return r >= e.length ? {
                                        done: !0
                                    } : {
                                        done: !1,
                                        value: e[r++]
                                    }
                                },
                                e: function(e) {
                                    throw e
                                },
                                f: s
                            }
                        }
                        throw new TypeError(
                            "Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."
                        )
                    }
                    var o, l = !0,
                        u = !1;
                    return {
                        s: function() {
                            n = e[Symbol.iterator]()
                        },
                        n: function() {
                            var e = n.next();
                            return l = e.done, e
                        },
                        e: function(e) {
                            u = !0, o = e
                        },
                        f: function() {
                            try {
                                l || null == n.return || n.return()
                            } finally {
                                if (u) throw o
                            }
                        }
                    }
                }

                function i(e, t) {
                    (null == t || t > e.length) && (t = e.length);
                    for (var n = 0, r = new Array(t); n < t; n++) r[n] = e[n];
                    return r
                }
                var o = e("./Constants"),
                    l = e("./URI"),
                    u = e("./Grammar");
                n.str_utf8_length = function(e) {
                    return unescape(encodeURIComponent(e)).length
                };
                var a = n.isFunction = function(e) {
                    return void 0 !== e && "[object Function]" === Object.prototype.toString
                        .call(e)
                };
                n.isString = function(e) {
                    return void 0 !== e && "[object String]" === Object.prototype.toString.call(
                        e)
                }, n.isDecimal = function(e) {
                    return !isNaN(e) && parseFloat(e) === parseInt(e, 10)
                }, n.isEmpty = function(e) {
                    return null === e || "" === e || void 0 === e || Array.isArray(e) && 0 === e
                        .length || "number" == typeof e && isNaN(e)
                }, n.hasMethods = function(e) {
                    for (var t = arguments.length, n = new Array(t > 1 ? t - 1 : 0), r = 1; r <
                        t; r++) n[r - 1] = arguments[r];
                    for (var s = 0, i = n; s < i.length; s++) {
                        var o = i[s];
                        if (a(e[o])) return !1
                    }
                    return !0
                };
                var c = n.createRandomToken = function(e) {
                    var t, n = arguments.length > 1 && void 0 !== arguments[1] ? arguments[1] :
                        32,
                        r = "";
                    for (t = 0; t < e; t++) r += (Math.random() * n | 0).toString(n);
                    return r
                };
                n.newTag = function() {
                    return c(10)
                }, n.newUUID = function() {
                    return "xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".replace(/[xy]/g, function(e) {
                        var t = 16 * Math.random() | 0;
                        return ("x" === e ? t : 3 & t | 8).toString(16)
                    })
                }, n.hostType = function(e) {
                    if (e) return -1 !== (e = u.parse(e, "host")) ? e.host_type : void 0
                };
                var h = n.escapeUser = function(e) {
                    return encodeURIComponent(decodeURIComponent(e)).replace(/%3A/gi, ":")
                        .replace(
                            /%2B/gi, "+").replace(/%3F/gi, "?").replace(/%2F/gi, "/")
                };
                n.normalizeTarget = function(e, t) {
                    if (e) {
                        if (e instanceof l) return e;
                        if ("string" == typeof e) {
                            var n, r, s, i = e.split("@");
                            switch (i.length) {
                                case 1:
                                    if (!t) return;
                                    n = e, r = t;
                                    break;
                                case 2:
                                    n = i[0], r = i[1];
                                    break;
                                default:
                                    n = i.slice(0, i.length - 1).join("@"), r = i[i.length - 1]
                            }
                            return n = n.replace(/^(sips?|tel):/i, ""),
                                /^[-.()]*\+?[0-9\-.()]+$/
                                .test(n) && (n = n.replace(/[-.()]/g, "")), e = "".concat(o.SIP,
                                    ":").concat(h(n), "@").concat(r), (s = l.parse(e)) ? s :
                                void 0
                        }
                    } else;
                }, n.headerize = function(e) {
                    var t, n = {
                            "Call-Id": "Call-ID",
                            Cseq: "CSeq",
                            "Www-Authenticate": "WWW-Authenticate"
                        },
                        r = e.toLowerCase().replace(/_/g, "-").split("-"),
                        s = "",
                        i = r.length;
                    for (t = 0; t < i; t++) 0 !== t && (s += "-"), s += r[t].charAt(0)
                        .toUpperCase() + r[t].substring(1);
                    return n[s] && (s = n[s]), s
                }, n.sipErrorCause = function(e) {
                    for (var t in o.SIP_ERROR_CAUSES)
                        if (-1 !== o.SIP_ERROR_CAUSES[t].indexOf(e)) return o.causes[t];
                    return o.causes.SIP_FAILURE_CODE
                }, n.getRandomTestNetIP = function() {
                    return "192.0.2.".concat((e = 1, t = 254, Math.floor(Math.random() * (t -
                        e +
                        1) + e)));
                    var e, t
                }, n.calculateMD5 = function(e) {
                    function t(e, t) {
                        return e << t | e >>> 32 - t
                    }

                    function n(e, t) {
                        var n = 2147483648 & e,
                            r = 2147483648 & t,
                            s = 1073741824 & e,
                            i = 1073741824 & t,
                            o = (1073741823 & e) + (1073741823 & t);
                        return s & i ? 2147483648 ^ o ^ n ^ r : s | i ? 1073741824 & o ?
                            3221225472 ^ o ^ n ^ r : 1073741824 ^ o ^ n ^ r : o ^ n ^ r
                    }

                    function r(e, r, s, i, o, l, u) {
                        return e = n(e, n(n(function(e, t, n) {
                            return e & t | ~e & n
                        }(r, s, i), o), u)), n(t(e, l), r)
                    }

                    function s(e, r, s, i, o, l, u) {
                        return e = n(e, n(n(function(e, t, n) {
                            return e & n | t & ~n
                        }(r, s, i), o), u)), n(t(e, l), r)
                    }

                    function i(e, r, s, i, o, l, u) {
                        return e = n(e, n(n(function(e, t, n) {
                            return e ^ t ^ n
                        }(r, s, i), o), u)), n(t(e, l), r)
                    }

                    function o(e, r, s, i, o, l, u) {
                        return e = n(e, n(n(function(e, t, n) {
                            return t ^ (e | ~n)
                        }(r, s, i), o), u)), n(t(e, l), r)
                    }

                    function l(e) {
                        var t, n = "",
                            r = "";
                        for (t = 0; t <= 3; t++) n += (r = "0".concat((e >>> 8 * t & 255)
                            .toString(
                                16))).substr(r.length - 2, 2);
                        return n
                    }
                    var u, a, c, h, d, f, _, p, m, v;
                    for (u = function(e) {
                            for (var t, n = e.length, r = n + 8, s = 16 * ((r - r % 64) / 64 +
                                        1),
                                    i = new Array(s - 1), o = 0, l = 0; l < n;) o = l % 4 * 8,
                                i[t =
                                    (l - l % 4) / 4] = i[t] | e.charCodeAt(l) << o, l++;
                            return o = l % 4 * 8, i[t = (l - l % 4) / 4] = i[t] | 128 << o, i[
                                s -
                                2] = n << 3, i[s - 1] = n >>> 29, i
                        }(e = function(e) {
                            e = e.replace(/\r\n/g, "\n");
                            for (var t = "", n = 0; n < e.length; n++) {
                                var r = e.charCodeAt(n);
                                r < 128 ? t += String.fromCharCode(r) : r > 127 && r <
                                    2048 ? (
                                        t += String.fromCharCode(r >> 6 | 192), t += String
                                        .fromCharCode(63 & r | 128)) : (t += String
                                        .fromCharCode(r >> 12 | 224), t += String
                                        .fromCharCode(
                                            r >> 6 & 63 | 128), t += String.fromCharCode(
                                            63 &
                                            r | 128))
                            }
                            return t
                        }(e)), _ = 1732584193, p = 4023233417, m = 2562383102, v = 271733878,
                        a =
                        0; a < u.length; a += 16) c = _, h = p, d = m, f = v, _ = r(_, p, m, v,
                            u[
                                a + 0], 7, 3614090360), v = r(v, _, p, m, u[a + 1], 12,
                            3905402710), m =
                        r(m, v, _, p, u[a + 2], 17, 606105819), p = r(p, m, v, _, u[a + 3], 22,
                            3250441966), _ = r(_, p, m, v, u[a + 4], 7, 4118548399), v = r(v, _,
                            p,
                            m, u[a + 5], 12, 1200080426), m = r(m, v, _, p, u[a + 6], 17,
                            2821735955), p = r(p, m, v, _, u[a + 7], 22, 4249261313), _ = r(_,
                            p, m,
                            v, u[a + 8], 7, 1770035416), v = r(v, _, p, m, u[a + 9], 12,
                            2336552879), m = r(m, v, _, p, u[a + 10], 17, 4294925233), p = r(p,
                            m, v, _,
                            u[a + 11], 22, 2304563134), _ = r(_, p, m, v, u[a + 12], 7,
                            1804603682),
                        v = r(v, _, p, m, u[a + 13], 12, 4254626195), m = r(m, v, _, p, u[a +
                                14],
                            17, 2792965006), _ = s(_, p = r(p, m, v, _, u[a + 15], 22,
                                1236535329),
                            m, v, u[a + 1], 5, 4129170786), v = s(v, _, p, m, u[a + 6], 9,
                            3225465664), m = s(m, v, _, p, u[a + 11], 14, 643717713), p = s(p,
                            m, v,
                            _, u[a + 0], 20, 3921069994), _ = s(_, p, m, v, u[a + 5], 5,
                            3593408605), v = s(v, _, p, m, u[a + 10], 9, 38016083), m = s(m, v,
                            _, p, u[
                                a + 15], 14, 3634488961), p = s(p, m, v, _, u[a + 4], 20,
                            3889429448),
                        _ = s(_, p, m, v, u[a + 9], 5, 568446438), v = s(v, _, p, m, u[a + 14],
                            9,
                            3275163606), m = s(m, v, _, p, u[a + 3], 14, 4107603335), p = s(p,
                            m, v,
                            _, u[a + 8], 20, 1163531501), _ = s(_, p, m, v, u[a + 13], 5,
                            2850285829), v = s(v, _, p, m, u[a + 2], 9, 4243563512), m = s(m, v,
                            _,
                            p, u[a + 7], 14, 1735328473), _ = i(_, p = s(p, m, v, _, u[a + 12],
                            20,
                            2368359562), m, v, u[a + 5], 4, 4294588738), v = i(v, _, p, m, u[a +
                                8],
                            11, 2272392833), m = i(m, v, _, p, u[a + 11], 16, 1839030562), p =
                        i(p,
                            m, v, _, u[a + 14], 23, 4259657740), _ = i(_, p, m, v, u[a + 1], 4,
                            2763975236), v = i(v, _, p, m, u[a + 4], 11, 1272893353), m = i(m,
                            v, _,
                            p, u[a + 7], 16, 4139469664), p = i(p, m, v, _, u[a + 10], 23,
                            3200236656), _ = i(_, p, m, v, u[a + 13], 4, 681279174), v = i(v, _,
                            p,
                            m, u[a + 0], 11, 3936430074), m = i(m, v, _, p, u[a + 3], 16,
                            3572445317), p = i(p, m, v, _, u[a + 6], 23, 76029189), _ = i(_, p,
                            m,
                            v, u[a + 9], 4, 3654602809), v = i(v, _, p, m, u[a + 12], 11,
                            3873151461), m = i(m, v, _, p, u[a + 15], 16, 530742520), _ = o(_,
                            p =
                            i(p, m, v, _, u[a + 2], 23, 3299628645), m, v, u[a + 0], 6,
                            4096336452),
                        v = o(v, _, p, m, u[a + 7], 10, 1126891415), m = o(m, v, _, p, u[a +
                                14],
                            15, 2878612391), p = o(p, m, v, _, u[a + 5], 21, 4237533241), _ = o(
                            _,
                            p, m, v, u[a + 12], 6, 1700485571), v = o(v, _, p, m, u[a + 3], 10,
                            2399980690), m = o(m, v, _, p, u[a + 10], 15, 4293915773), p = o(p,
                            m,
                            v, _, u[a + 1], 21, 2240044497), _ = o(_, p, m, v, u[a + 8], 6,
                            1873313359), v = o(v, _, p, m, u[a + 15], 10, 4264355552), m = o(m,
                            v,
                            _, p, u[a + 6], 15, 2734768916), p = o(p, m, v, _, u[a + 13], 21,
                            1309151649), _ = o(_, p, m, v, u[a + 4], 6, 4149444226), v = o(v, _,
                            p,
                            m, u[a + 11], 10, 3174756917), m = o(m, v, _, p, u[a + 2], 15,
                            718787259), p = o(p, m, v, _, u[a + 9], 21, 3951481745), _ = n(_,
                            c),
                        p = n(p, h), m = n(m, d), v = n(v, f);
                    return (l(_) + l(p) + l(m) + l(v)).toLowerCase()
                }, n.closeMediaStream = function(e) {
                    if (e) try {
                        if (e.getTracks) {
                            var t, n = s(e.getTracks());
                            try {
                                for (n.s(); !(t = n.n()).done;) {
                                    t.value.stop()
                                }
                            } catch (e) {
                                n.e(e)
                            } finally {
                                n.f()
                            }
                        } else {
                            var i, o = s(e.getAudioTracks());
                            try {
                                for (o.s(); !(i = o.n()).done;) {
                                    i.value.stop()
                                }
                            } catch (e) {
                                o.e(e)
                            } finally {
                                o.f()
                            }
                            var l, u = s(e.getVideoTracks());
                            try {
                                for (u.s(); !(l = u.n()).done;) {
                                    l.value.stop()
                                }
                            } catch (e) {
                                u.e(e)
                            } finally {
                                u.f()
                            }
                        }
                    } catch (t) {
                        "function" != typeof e.stop && "object" !== r(e.stop) || e.stop()
                    }
                }, n.cloneArray = function(e) {
                    return e && e.slice() || []
                }, n.cloneObject = function(e) {
                    var t = arguments.length > 1 && void 0 !== arguments[1] ? arguments[1] : {};
                    return e && Object.assign({}, e) || t
                }
            }, {
                "./Constants": 2,
                "./Grammar": 7,
                "./URI": 27
            }],
            29: [function(e, t, n) {
                "use strict";

                function r(e, t) {
                    for (var n = 0; n < t.length; n++) {
                        var r = t[n];
                        r.enumerable = r.enumerable || !1, r.configurable = !0, "value" in r && (r
                            .writable = !0), Object.defineProperty(e, r.key, r)
                    }
                }
                var s = e("./Logger"),
                    i = e("./Grammar"),
                    o = new s("WebSocketInterface");
                t.exports = function() {
                    function e(t) {
                        ! function(e, t) {
                            if (!(e instanceof t)) throw new TypeError(
                                "Cannot call a class as a function")
                        }(this, e), o.debug('new() [url:"%s"]', t), this._url = t, this
                            ._sip_uri =
                            null, this._via_transport = null, this._ws = null;
                        var n = i.parse(t, "absoluteURI");
                        if (-1 === n) throw o.warn("invalid WebSocket URI: ".concat(t)),
                            new TypeError("Invalid argument: ".concat(t));
                        if ("wss" !== n.scheme && "ws" !== n.scheme) throw o.warn(
                                "invalid WebSocket URI scheme: ".concat(n.scheme)),
                            new TypeError("Invalid argument: ".concat(t));
                        this._sip_uri = "sip:".concat(n.host).concat(n.port ? ":".concat(n
                                    .port) :
                                "", ";transport=ws"), this._via_transport = n.scheme
                            .toUpperCase()
                    }
                    var t, n, s;
                    return t = e, (n = [{
                        key: "connect",
                        value: function() {
                            if (o.debug("connect()"), this.isConnected()) o
                                .debug(
                                    "WebSocket ".concat(this._url,
                                        " is already connected"));
                            else if (this.isConnecting()) o.debug("WebSocket "
                                .concat(this._url, " is connecting"));
                            else {
                                this._ws && this.disconnect(), o.debug(
                                    "connecting to WebSocket ".concat(this
                                        ._url)
                                );
                                try {
                                    this._ws = new WebSocket(this._url, "sip"),
                                        this
                                        ._ws.binaryType = "arraybuffer", this
                                        ._ws
                                        .onopen = this._onOpen.bind(this), this
                                        ._ws
                                        .onclose = this._onClose.bind(this),
                                        this
                                        ._ws.onmessage = this._onMessage.bind(
                                            this),
                                        this._ws.onerror = this._onError.bind(
                                            this)
                                } catch (e) {
                                    this._onError(e)
                                }
                            }
                        }
                    }, {
                        key: "disconnect",
                        value: function() {
                            o.debug("disconnect()"), this._ws && (this._ws
                                .onopen =
                                function() {}, this._ws.onclose =
                                function() {},
                                this._ws.onmessage = function() {}, this._ws
                                .onerror = function() {}, this._ws.close(),
                                this
                                ._ws = null)
                        }
                    }, {
                        key: "send",
                        value: function(e) {
                            return o.debug("send()"), this.isConnected() ? (this
                                ._ws
                                .send(e), !0) : (o.warn(
                                "unable to send message, WebSocket is not open"
                            ), !1)
                        }
                    }, {
                        key: "isConnected",
                        value: function() {
                            return this._ws && this._ws.readyState === this._ws
                                .OPEN
                        }
                    }, {
                        key: "isConnecting",
                        value: function() {
                            return this._ws && this._ws.readyState === this._ws
                                .CONNECTING
                        }
                    }, {
                        key: "_onOpen",
                        value: function() {
                            o.debug("WebSocket ".concat(this._url,
                                    " connected")),
                                this.onconnect()
                        }
                    }, {
                        key: "_onClose",
                        value: function(e) {
                            var t = e.wasClean,
                                n = e.code,
                                r = e.reason;
                            o.debug("WebSocket ".concat(this._url, " closed")),
                                !
                                1 === t && o.debug(
                                    "WebSocket abrupt disconnection"), this
                                .ondisconnect(!t, n, r)
                        }
                    }, {
                        key: "_onMessage",
                        value: function(e) {
                            var t = e.data;
                            o.debug("received WebSocket message"), this.ondata(
                                t)
                        }
                    }, {
                        key: "_onError",
                        value: function(e) {
                            o.warn("WebSocket ".concat(this._url, " error: "),
                                e)
                        }
                    }, {
                        key: "via_transport",
                        get: function() {
                            return this._via_transport
                        },
                        set: function(e) {
                            this._via_transport = e.toUpperCase()
                        }
                    }, {
                        key: "sip_uri",
                        get: function() {
                            return this._sip_uri
                        }
                    }, {
                        key: "url",
                        get: function() {
                            return this._url
                        }
                    }]) && r(t.prototype, n), s && r(t, s), e
                }()
            }, {
                "./Grammar": 7,
                "./Logger": 9
            }],
            30: [function(e, t, n) {
                "use strict";

                function r(e, t) {
                    var n;
                    if ("undefined" == typeof Symbol || null == e[Symbol.iterator]) {
                        if (Array.isArray(e) || (n = function(e, t) {
                                if (!e) return;
                                if ("string" == typeof e) return s(e, t);
                                var n = Object.prototype.toString.call(e).slice(8, -1);
                                "Object" === n && e.constructor && (n = e.constructor.name);
                                if ("Map" === n || "Set" === n) return Array.from(e);
                                if ("Arguments" === n ||
                                    /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/
                                    .test(n)) return s(e, t)
                            }(e)) || t && e && "number" == typeof e.length) {
                            n && (e = n);
                            var r = 0,
                                i = function() {};
                            return {
                                s: i,
                                n: function() {
                                    return r >= e.length ? {
                                        done: !0
                                    } : {
                                        done: !1,
                                        value: e[r++]
                                    }
                                },
                                e: function(e) {
                                    throw e
                                },
                                f: i
                            }
                        }
                        throw new TypeError(
                            "Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."
                        )
                    }
                    var o, l = !0,
                        u = !1;
                    return {
                        s: function() {
                            n = e[Symbol.iterator]()
                        },
                        n: function() {
                            var e = n.next();
                            return l = e.done, e
                        },
                        e: function(e) {
                            u = !0, o = e
                        },
                        f: function() {
                            try {
                                l || null == n.return || n.return()
                            } finally {
                                if (u) throw o
                            }
                        }
                    }
                }

                function s(e, t) {
                    (null == t || t > e.length) && (t = e.length);
                    for (var n = 0, r = new Array(t); n < t; n++) r[n] = e[n];
                    return r
                }
                var i, o, l, u = e("./Logger"),
                    a = e("./Constants"),
                    c = e("./SIPMessage"),
                    h = e("./Utils"),
                    d = new u("sanityCheck"),
                    f = [function() {
                        for (var e = 0, t = ["from", "to", "call_id", "cseq", "via"]; e < t
                            .length; e++) {
                            var n = t[e];
                            if (!i.hasHeader(n)) return d.debug(
                                "missing mandatory header field : "
                                .concat(n, ", dropping the response")), !1
                        }
                    }],
                    _ = [function() {
                        if ("sip" !== i.s("to").uri.scheme) return m(416), !1
                    }, function() {
                        if (!i.to_tag && i.call_id.substr(0, 5) === o.configuration.jssip_id)
                            return m(482), !1
                    }, function() {
                        var e = h.str_utf8_length(i.body),
                            t = i.getHeader("content-length");
                        if (e < t) return m(400), !1
                    }, function() {
                        var e, t = i.from_tag,
                            n = i.call_id,
                            r = i.cseq;
                        if (i.to_tag) return;
                        if (i.method === a.INVITE) {
                            if (o._transactions.ist[i.via_branch]) return !1;
                            for (var s in o._transactions.ist)
                                if (Object.prototype.hasOwnProperty.call(o._transactions.ist,
                                        s) &&
                                    (e = o._transactions.ist[s]).request.from_tag === t && e
                                    .request
                                    .call_id === n && e.request.cseq === r) return m(482), !1
                        } else {
                            if (o._transactions.nist[i.via_branch]) return !1;
                            for (var l in o._transactions.nist)
                                if (Object.prototype.hasOwnProperty.call(o._transactions.nist,
                                        l) &&
                                    (e = o._transactions.nist[l]).request.from_tag === t && e
                                    .request.call_id === n && e.request.cseq === r) return m(
                                        482), !
                                    1
                        }
                    }],
                    p = [function() {
                        if (i.getHeaders("via").length > 1) return d.debug(
                            "more than one Via header field present in the response, dropping the response"
                        ), !1
                    }, function() {
                        var e = h.str_utf8_length(i.body),
                            t = i.getHeader("content-length");
                        if (e < t) return d.debug(
                            "message body length is lower than the value in Content-Length header field, dropping the response"
                        ), !1
                    }];

                function m(e) {
                    var t, n, s = i.getHeaders("via"),
                        o = "SIP/2.0 ".concat(e, " ").concat(a.REASON_PHRASE[e], "\r\n"),
                        u = r(s);
                    try {
                        for (u.s(); !(n = u.n()).done;) {
                            var c = n.value;
                            o += "Via: ".concat(c, "\r\n")
                        }
                    } catch (e) {
                        u.e(e)
                    } finally {
                        u.f()
                    }
                    t = i.getHeader("To"), i.to_tag || (t += ";tag=".concat(h.newTag())), o +=
                        "To: "
                        .concat(t, "\r\n"), o += "From: ".concat(i.getHeader("From"), "\r\n"), o +=
                        "Call-ID: ".concat(i.call_id, "\r\n"), o += "CSeq: ".concat(i.cseq, " ")
                        .concat(
                            i.method, "\r\n"), o += "\r\n", l.send(o)
                }
                t.exports = function(e, t, n) {
                    i = e, o = t, l = n;
                    var s, u = r(f);
                    try {
                        for (u.s(); !(s = u.n()).done;) {
                            if (!1 === (0, s.value)()) return !1
                        }
                    } catch (e) {
                        u.e(e)
                    } finally {
                        u.f()
                    }
                    if (i instanceof c.IncomingRequest) {
                        var a, h = r(_);
                        try {
                            for (h.s(); !(a = h.n()).done;) {
                                if (!1 === (0, a.value)()) return !1
                            }
                        } catch (e) {
                            h.e(e)
                        } finally {
                            h.f()
                        }
                    } else if (i instanceof c.IncomingResponse) {
                        var d, m = r(p);
                        try {
                            for (m.s(); !(d = m.n()).done;) {
                                if (!1 === (0, d.value)()) return !1
                            }
                        } catch (e) {
                            m.e(e)
                        } finally {
                            m.f()
                        }
                    }
                    return !0
                }
            }, {
                "./Constants": 2,
                "./Logger": 9,
                "./SIPMessage": 21,
                "./Utils": 28
            }],
            31: [function(e, t, n) {
                var r = Object.create || function(e) {
                        var t = function() {};
                        return t.prototype = e, new t
                    },
                    s = Object.keys || function(e) {
                        var t = [];
                        for (var n in e) Object.prototype.hasOwnProperty.call(e, n) && t.push(n);
                        return n
                    },
                    i = Function.prototype.bind || function(e) {
                        var t = this;
                        return function() {
                            return t.apply(e, arguments)
                        }
                    };

                function o() {
                    this._events && Object.prototype.hasOwnProperty.call(this, "_events") || (this
                            ._events = r(null), this._eventsCount = 0), this._maxListeners = this
                        ._maxListeners || void 0
                }
                t.exports = o, o.EventEmitter = o, o.prototype._events = void 0, o.prototype
                    ._maxListeners = void 0;
                var l, u = 10;
                try {
                    var a = {};
                    Object.defineProperty && Object.defineProperty(a, "x", {
                        value: 0
                    }), l = 0 === a.x
                } catch (e) {
                    l = !1
                }

                function c(e) {
                    return void 0 === e._maxListeners ? o.defaultMaxListeners : e._maxListeners
                }

                function h(e, t, n, s) {
                    var i, o, l;
                    if ("function" != typeof n) throw new TypeError(
                        '"listener" argument must be a function');
                    if ((o = e._events) ? (o.newListener && (e.emit("newListener", t, n.listener ? n
                            .listener : n), o = e._events), l = o[t]) : (o = e._events = r(null), e
                            ._eventsCount = 0), l) {
                        if ("function" == typeof l ? l = o[t] = s ? [n, l] : [l, n] : s ? l.unshift(
                                n) :
                            l.push(n), !l.warned && (i = c(e)) && i > 0 && l.length > i) {
                            l.warned = !0;
                            var u = new Error("Possible EventEmitter memory leak detected. " + l
                                .length + ' "' + String(t) +
                                '" listeners added. Use emitter.setMaxListeners() to increase limit.'
                            );
                            u.name = "MaxListenersExceededWarning", u.emitter = e, u.type = t, u
                                .count =
                                l.length, "object" == typeof console && console.warn && console
                                .warn(
                                    "%s: %s", u.name, u.message)
                        }
                    } else l = o[t] = n, ++e._eventsCount;
                    return e
                }

                function d() {
                    if (!this.fired) switch (this.target.removeListener(this.type, this.wrapFn),
                        this
                        .fired = !0, arguments.length) {
                        case 0:
                            return this.listener.call(this.target);
                        case 1:
                            return this.listener.call(this.target, arguments[0]);
                        case 2:
                            return this.listener.call(this.target, arguments[0], arguments[1]);
                        case 3:
                            return this.listener.call(this.target, arguments[0], arguments[1],
                                arguments[2]);
                        default:
                            for (var e = new Array(arguments.length), t = 0; t < e.length; ++t)
                                e[
                                    t] = arguments[t];
                            this.listener.apply(this.target, e)
                    }
                }

                function f(e, t, n) {
                    var r = {
                            fired: !1,
                            wrapFn: void 0,
                            target: e,
                            type: t,
                            listener: n
                        },
                        s = i.call(d, r);
                    return s.listener = n, r.wrapFn = s, s
                }

                function _(e, t, n) {
                    var r = e._events;
                    if (!r) return [];
                    var s = r[t];
                    return s ? "function" == typeof s ? n ? [s.listener || s] : [s] : n ? function(
                        e) {
                        for (var t = new Array(e.length), n = 0; n < t.length; ++n) t[n] = e[n]
                            .listener || e[n];
                        return t
                    }(s) : m(s, s.length) : []
                }

                function p(e) {
                    var t = this._events;
                    if (t) {
                        var n = t[e];
                        if ("function" == typeof n) return 1;
                        if (n) return n.length
                    }
                    return 0
                }

                function m(e, t) {
                    for (var n = new Array(t), r = 0; r < t; ++r) n[r] = e[r];
                    return n
                }
                l ? Object.defineProperty(o, "defaultMaxListeners", {
                        enumerable: !0,
                        get: function() {
                            return u
                        },
                        set: function(e) {
                            if ("number" != typeof e || e < 0 || e != e)
                                throw new TypeError(
                                    '"defaultMaxListeners" must be a positive number');
                            u = e
                        }
                    }) : o.defaultMaxListeners = u, o.prototype.setMaxListeners = function(e) {
                        if ("number" != typeof e || e < 0 || isNaN(e)) throw new TypeError(
                            '"n" argument must be a positive number');
                        return this._maxListeners = e, this
                    }, o.prototype.getMaxListeners = function() {
                        return c(this)
                    }, o.prototype.emit = function(e) {
                        var t, n, r, s, i, o, l = "error" === e;
                        if (o = this._events) l = l && null == o.error;
                        else if (!l) return !1;
                        if (l) {
                            if (arguments.length > 1 && (t = arguments[1]), t instanceof Error)
                                throw t;
                            var u = new Error('Unhandled "error" event. (' + t + ")");
                            throw u.context = t, u
                        }
                        if (!(n = o[e])) return !1;
                        var a = "function" == typeof n;
                        switch (r = arguments.length) {
                            case 1:
                                ! function(e, t, n) {
                                    if (t) e.call(n);
                                    else
                                        for (var r = e.length, s = m(e, r), i = 0; i < r; ++i) s[i]
                                            .call(n)
                                }(n, a, this);
                                break;
                            case 2:
                                ! function(e, t, n, r) {
                                    if (t) e.call(n, r);
                                    else
                                        for (var s = e.length, i = m(e, s), o = 0; o < s; ++o) i[o]
                                            .call(n, r)
                                }(n, a, this, arguments[1]);
                                break;
                            case 3:
                                ! function(e, t, n, r, s) {
                                    if (t) e.call(n, r, s);
                                    else
                                        for (var i = e.length, o = m(e, i), l = 0; l < i; ++l) o[l]
                                            .call(n, r, s)
                                }(n, a, this, arguments[1], arguments[2]);
                                break;
                            case 4:
                                ! function(e, t, n, r, s, i) {
                                    if (t) e.call(n, r, s, i);
                                    else
                                        for (var o = e.length, l = m(e, o), u = 0; u < o; ++u) l[u]
                                            .call(n, r, s, i)
                                }(n, a, this, arguments[1], arguments[2], arguments[3]);
                                break;
                            default:
                                for (s = new Array(r - 1), i = 1; i < r; i++) s[i - 1] = arguments[
                                    i];
                                ! function(e, t, n, r) {
                                    if (t) e.apply(n, r);
                                    else
                                        for (var s = e.length, i = m(e, s), o = 0; o < s; ++o) i[o]
                                            .apply(n, r)
                                }(n, a, this, s)
                        }
                        return !0
                    }, o.prototype.addListener = function(e, t) {
                        return h(this, e, t, !1)
                    }, o.prototype.on = o.prototype.addListener, o.prototype.prependListener =
                    function(
                        e, t) {
                        return h(this, e, t, !0)
                    }, o.prototype.once = function(e, t) {
                        if ("function" != typeof t) throw new TypeError(
                            '"listener" argument must be a function');
                        return this.on(e, f(this, e, t)), this
                    }, o.prototype.prependOnceListener = function(e, t) {
                        if ("function" != typeof t) throw new TypeError(
                            '"listener" argument must be a function');
                        return this.prependListener(e, f(this, e, t)), this
                    }, o.prototype.removeListener = function(e, t) {
                        var n, s, i, o, l;
                        if ("function" != typeof t) throw new TypeError(
                            '"listener" argument must be a function');
                        if (!(s = this._events)) return this;
                        if (!(n = s[e])) return this;
                        if (n === t || n.listener === t) 0 == --this._eventsCount ? this._events =
                            r(
                                null) : (delete s[e], s.removeListener && this.emit(
                                "removeListener", e,
                                n.listener || t));
                        else if ("function" != typeof n) {
                            for (i = -1, o = n.length - 1; o >= 0; o--)
                                if (n[o] === t || n[o].listener === t) {
                                    l = n[o].listener, i = o;
                                    break
                                } if (i < 0) return this;
                            0 === i ? n.shift() : function(e, t) {
                                    for (var n = t, r = n + 1, s = e.length; r < s; n += 1, r += 1)
                                        e[
                                            n] = e[r];
                                    e.pop()
                                }(n, i), 1 === n.length && (s[e] = n[0]), s.removeListener && this
                                .emit(
                                    "removeListener", e, l || t)
                        }
                        return this
                    }, o.prototype.removeAllListeners = function(e) {
                        var t, n, i;
                        if (!(n = this._events)) return this;
                        if (!n.removeListener) return 0 === arguments.length ? (this._events = r(
                                null),
                            this._eventsCount = 0) : n[e] && (0 == --this._eventsCount ?
                            this
                            ._events = r(null) : delete n[e]), this;
                        if (0 === arguments.length) {
                            var o, l = s(n);
                            for (i = 0; i < l.length; ++i) "removeListener" !== (o = l[i]) && this
                                .removeAllListeners(o);
                            return this.removeAllListeners("removeListener"), this._events = r(
                                    null),
                                this._eventsCount = 0, this
                        }
                        if ("function" == typeof(t = n[e])) this.removeListener(e, t);
                        else if (t)
                            for (i = t.length - 1; i >= 0; i--) this.removeListener(e, t[i]);
                        return this
                    }, o.prototype.listeners = function(e) {
                        return _(this, e, !0)
                    }, o.prototype.rawListeners = function(e) {
                        return _(this, e, !1)
                    }, o.listenerCount = function(e, t) {
                        return "function" == typeof e.listenerCount ? e.listenerCount(t) : p.call(e,
                            t)
                    }, o.prototype.listenerCount = p, o.prototype.eventNames = function() {
                        return this._eventsCount > 0 ? Reflect.ownKeys(this._events) : []
                    }
            }, {}],
            32: [function(e, t, n) {
                (function(r) {
                    n.log = function(...e) {
                        return "object" == typeof console && console.log && console.log(...
                            e)
                    }, n.formatArgs = function(e) {
                        if (e[0] = (this.useColors ? "%c" : "") + this.namespace + (this
                                .useColors ? " %c" : " ") + e[0] + (this.useColors ? "%c " :
                                " ") + "+" + t.exports.humanize(this.diff), !this.useColors)
                            return;
                        const n = "color: " + this.color;
                        e.splice(1, 0, n, "color: inherit");
                        let r = 0,
                            s = 0;
                        e[0].replace(/%[a-zA-Z%]/g, e => {
                            "%%" !== e && (r++, "%c" === e && (s = r))
                        }), e.splice(s, 0, n)
                    }, n.save = function(e) {
                        try {
                            e ? n.storage.setItem("debug", e) : n.storage.removeItem(
                                "debug")
                        } catch (e) {}
                    }, n.load = function() {
                        let e;
                        try {
                            e = n.storage.getItem("debug")
                        } catch (e) {}!e && void 0 !== r && "env" in r && (e = r.env.DEBUG);
                        return e
                    }, n.useColors = function() {
                        if ("undefined" != typeof window && window.process && (
                                "renderer" ===
                                window.process.type || window.process.__nwjs)) return !0;
                        if ("undefined" != typeof navigator && navigator.userAgent &&
                            navigator
                            .userAgent.toLowerCase().match(/(edge|trident)\/(\d+)/))
                            return !1;
                        return "undefined" != typeof document && document.documentElement &&
                            document.documentElement.style && document.documentElement.style
                            .WebkitAppearance || "undefined" != typeof window && window
                            .console && (window.console.firebug || window.console
                                .exception &&
                                window.console.table) || "undefined" != typeof navigator &&
                            navigator.userAgent && navigator.userAgent.toLowerCase().match(
                                /firefox\/(\d+)/) && parseInt(RegExp.$1, 10) >= 31 ||
                            "undefined" != typeof navigator && navigator.userAgent &&
                            navigator
                            .userAgent.toLowerCase().match(/applewebkit\/(\d+)/)
                    }, n.storage = function() {
                        try {
                            return localStorage
                        } catch (e) {}
                    }(), n.colors = ["#0000CC", "#0000FF", "#0033CC", "#0033FF", "#0066CC",
                        "#0066FF", "#0099CC", "#0099FF", "#00CC00", "#00CC33", "#00CC66",
                        "#00CC99", "#00CCCC", "#00CCFF", "#3300CC", "#3300FF", "#3333CC",
                        "#3333FF", "#3366CC", "#3366FF", "#3399CC", "#3399FF", "#33CC00",
                        "#33CC33", "#33CC66", "#33CC99", "#33CCCC", "#33CCFF", "#6600CC",
                        "#6600FF", "#6633CC", "#6633FF", "#66CC00", "#66CC33", "#9900CC",
                        "#9900FF", "#9933CC", "#9933FF", "#99CC00", "#99CC33", "#CC0000",
                        "#CC0033", "#CC0066", "#CC0099", "#CC00CC", "#CC00FF", "#CC3300",
                        "#CC3333", "#CC3366", "#CC3399", "#CC33CC", "#CC33FF", "#CC6600",
                        "#CC6633", "#CC9900", "#CC9933", "#CCCC00", "#CCCC33", "#FF0000",
                        "#FF0033", "#FF0066", "#FF0099", "#FF00CC", "#FF00FF", "#FF3300",
                        "#FF3333", "#FF3366", "#FF3399", "#FF33CC", "#FF33FF", "#FF6600",
                        "#FF6633", "#FF9900", "#FF9933", "#FFCC00", "#FFCC33"
                    ], t.exports = e("./common")(n);
                    const {
                        formatters: s
                    } = t.exports;
                    s.j = function(e) {
                        try {
                            return JSON.stringify(e)
                        } catch (e) {
                            return "[UnexpectedJSONParseError]: " + e.message
                        }
                    }
                }).call(this, e("_process"))
            }, {
                "./common": 33,
                _process: 35
            }],
            33: [function(e, t, n) {
                t.exports = function(t) {
                    function n(e) {
                        let t = 0;
                        for (let n = 0; n < e.length; n++) t = (t << 5) - t + e.charCodeAt(n),
                            t |=
                            0;
                        return r.colors[Math.abs(t) % r.colors.length]
                    }

                    function r(e) {
                        let t;

                        function o(...e) {
                            if (!o.enabled) return;
                            const n = o,
                                s = Number(new Date),
                                i = s - (t || s);
                            n.diff = i, n.prev = t, n.curr = s, t = s, e[0] = r.coerce(e[0]),
                                "string" != typeof e[0] && e.unshift("%O");
                            let l = 0;
                            e[0] = e[0].replace(/%([a-zA-Z%])/g, (t, s) => {
                                if ("%%" === t) return t;
                                l++;
                                const i = r.formatters[s];
                                if ("function" == typeof i) {
                                    const r = e[l];
                                    t = i.call(n, r), e.splice(l, 1), l--
                                }
                                return t
                            }), r.formatArgs.call(n, e), (n.log || r.log).apply(n, e)
                        }
                        return o.namespace = e, o.enabled = r.enabled(e), o.useColors = r
                            .useColors(), o.color = n(e), o.destroy = s, o.extend = i,
                            "function" ==
                            typeof r.init && r.init(o), r.instances.push(o), o
                    }

                    function s() {
                        const e = r.instances.indexOf(this);
                        return -1 !== e && (r.instances.splice(e, 1), !0)
                    }

                    function i(e, t) {
                        const n = r(this.namespace + (void 0 === t ? ":" : t) + e);
                        return n.log = this.log, n
                    }

                    function o(e) {
                        return e.toString().substring(2, e.toString().length - 2).replace(
                            /\.\*\?$/,
                            "*")
                    }
                    return r.debug = r, r.default = r, r.coerce = function(e) {
                            return e instanceof Error ? e.stack || e.message : e
                        }, r.disable = function() {
                            const e = [...r.names.map(o), ...r.skips.map(o).map(e => "-" + e)]
                                .join(
                                    ",");
                            return r.enable(""), e
                        }, r.enable = function(e) {
                            let t;
                            r.save(e), r.names = [], r.skips = [];
                            const n = ("string" == typeof e ? e : "").split(/[\s,]+/),
                                s = n.length;
                            for (t = 0; t < s; t++) n[t] && ("-" === (e = n[t].replace(/\*/g,
                                ".*?"))[0] ? r.skips.push(new RegExp("^" + e.substr(1) +
                                "$")) : r.names.push(new RegExp("^" + e + "$")));
                            for (t = 0; t < r.instances.length; t++) {
                                const e = r.instances[t];
                                e.enabled = r.enabled(e.namespace)
                            }
                        }, r.enabled = function(e) {
                            if ("*" === e[e.length - 1]) return !0;
                            let t, n;
                            for (t = 0, n = r.skips.length; t < n; t++)
                                if (r.skips[t].test(e)) return !1;
                            for (t = 0, n = r.names.length; t < n; t++)
                                if (r.names[t].test(e)) return !0;
                            return !1
                        }, r.humanize = e("ms"), Object.keys(t).forEach(e => {
                            r[e] = t[e]
                        }), r.instances = [], r.names = [], r.skips = [], r.formatters = {}, r
                        .selectColor = n, r.enable(r.load()), r
                }
            }, {
                ms: 34
            }],
            34: [function(e, t, n) {
                var r = 1e3,
                    s = 60 * r,
                    i = 60 * s,
                    o = 24 * i,
                    l = 7 * o,
                    u = 365.25 * o;

                function a(e, t, n, r) {
                    var s = t >= 1.5 * n;
                    return Math.round(e / n) + " " + r + (s ? "s" : "")
                }
                t.exports = function(e, t) {
                    t = t || {};
                    var n = typeof e;
                    if ("string" === n && e.length > 0) return function(e) {
                        if ((e = String(e)).length > 100) return;
                        var t =
                            /^(-?(?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|weeks?|w|years?|yrs?|y)?$/i
                            .exec(e);
                        if (!t) return;
                        var n = parseFloat(t[1]);
                        switch ((t[2] || "ms").toLowerCase()) {
                            case "years":
                            case "year":
                            case "yrs":
                            case "yr":
                            case "y":
                                return n * u;
                            case "weeks":
                            case "week":
                            case "w":
                                return n * l;
                            case "days":
                            case "day":
                            case "d":
                                return n * o;
                            case "hours":
                            case "hour":
                            case "hrs":
                            case "hr":
                            case "h":
                                return n * i;
                            case "minutes":
                            case "minute":
                            case "mins":
                            case "min":
                            case "m":
                                return n * s;
                            case "seconds":
                            case "second":
                            case "secs":
                            case "sec":
                            case "s":
                                return n * r;
                            case "milliseconds":
                            case "millisecond":
                            case "msecs":
                            case "msec":
                            case "ms":
                                return n;
                            default:
                                return
                        }
                    }(e);
                    if ("number" === n && isFinite(e)) return t.long ? function(e) {
                        var t = Math.abs(e);
                        if (t >= o) return a(e, t, o, "day");
                        if (t >= i) return a(e, t, i, "hour");
                        if (t >= s) return a(e, t, s, "minute");
                        if (t >= r) return a(e, t, r, "second");
                        return e + " ms"
                    }(e) : function(e) {
                        var t = Math.abs(e);
                        if (t >= o) return Math.round(e / o) + "d";
                        if (t >= i) return Math.round(e / i) + "h";
                        if (t >= s) return Math.round(e / s) + "m";
                        if (t >= r) return Math.round(e / r) + "s";
                        return e + "ms"
                    }(e);
                    throw new Error("val is not a non-empty string or a valid number. val=" +
                        JSON
                        .stringify(e))
                }
            }, {}],
            35: [function(e, t, n) {
                var r, s, i = t.exports = {};

                function o() {
                    throw new Error("setTimeout has not been defined")
                }

                function l() {
                    throw new Error("clearTimeout has not been defined")
                }

                function u(e) {
                    if (r === setTimeout) return setTimeout(e, 0);
                    if ((r === o || !r) && setTimeout) return r = setTimeout, setTimeout(e, 0);
                    try {
                        return r(e, 0)
                    } catch (t) {
                        try {
                            return r.call(null, e, 0)
                        } catch (t) {
                            return r.call(this, e, 0)
                        }
                    }
                }! function() {
                    try {
                        r = "function" == typeof setTimeout ? setTimeout : o
                    } catch (e) {
                        r = o
                    }
                    try {
                        s = "function" == typeof clearTimeout ? clearTimeout : l
                    } catch (e) {
                        s = l
                    }
                }();
                var a, c = [],
                    h = !1,
                    d = -1;

                function f() {
                    h && a && (h = !1, a.length ? c = a.concat(c) : d = -1, c.length && _())
                }

                function _() {
                    if (!h) {
                        var e = u(f);
                        h = !0;
                        for (var t = c.length; t;) {
                            for (a = c, c = []; ++d < t;) a && a[d].run();
                            d = -1, t = c.length
                        }
                        a = null, h = !1,
                            function(e) {
                                if (s === clearTimeout) return clearTimeout(e);
                                if ((s === l || !s) && clearTimeout) return s = clearTimeout,
                                    clearTimeout(e);
                                try {
                                    s(e)
                                } catch (t) {
                                    try {
                                        return s.call(null, e)
                                    } catch (t) {
                                        return s.call(this, e)
                                    }
                                }
                            }(e)
                    }
                }

                function p(e, t) {
                    this.fun = e, this.array = t
                }

                function m() {}
                i.nextTick = function(e) {
                        var t = new Array(arguments.length - 1);
                        if (arguments.length > 1)
                            for (var n = 1; n < arguments.length; n++) t[n - 1] = arguments[n];
                        c.push(new p(e, t)), 1 !== c.length || h || u(_)
                    }, p.prototype.run = function() {
                        this.fun.apply(null, this.array)
                    }, i.title = "browser", i.browser = !0, i.env = {}, i.argv = [], i.version = "",
                    i
                    .versions = {}, i.on = m, i.addListener = m, i.once = m, i.off = m, i
                    .removeListener = m, i.removeAllListeners = m, i.emit = m, i.prependListener =
                    m, i
                    .prependOnceListener = m, i.listeners = function(e) {
                        return []
                    }, i.binding = function(e) {
                        throw new Error("process.binding is not supported")
                    }, i.cwd = function() {
                        return "/"
                    }, i.chdir = function(e) {
                        throw new Error("process.chdir is not supported")
                    }, i.umask = function() {
                        return 0
                    }
            }, {}],
            36: [function(e, t, n) {
                var r = t.exports = {
                    v: [{
                        name: "version",
                        reg: /^(\d*)$/
                    }],
                    o: [{
                        name: "origin",
                        reg: /^(\S*) (\d*) (\d*) (\S*) IP(\d) (\S*)/,
                        names: ["username", "sessionId", "sessionVersion", "netType",
                            "ipVer", "address"
                        ],
                        format: "%s %s %d %s IP%d %s"
                    }],
                    s: [{
                        name: "name"
                    }],
                    i: [{
                        name: "description"
                    }],
                    u: [{
                        name: "uri"
                    }],
                    e: [{
                        name: "email"
                    }],
                    p: [{
                        name: "phone"
                    }],
                    z: [{
                        name: "timezones"
                    }],
                    r: [{
                        name: "repeats"
                    }],
                    t: [{
                        name: "timing",
                        reg: /^(\d*) (\d*)/,
                        names: ["start", "stop"],
                        format: "%d %d"
                    }],
                    c: [{
                        name: "connection",
                        reg: /^IN IP(\d) (\S*)/,
                        names: ["version", "ip"],
                        format: "IN IP%d %s"
                    }],
                    b: [{
                        push: "bandwidth",
                        reg: /^(TIAS|AS|CT|RR|RS):(\d*)/,
                        names: ["type", "limit"],
                        format: "%s:%s"
                    }],
                    m: [{
                        reg: /^(\w*) (\d*) ([\w/]*)(?: (.*))?/,
                        names: ["type", "port", "protocol", "payloads"],
                        format: "%s %d %s %s"
                    }],
                    a: [{
                        push: "rtp",
                        reg: /^rtpmap:(\d*) ([\w\-.]*)(?:\s*\/(\d*)(?:\s*\/(\S*))?)?/,
                        names: ["payload", "codec", "rate", "encoding"],
                        format: function(e) {
                            return e.encoding ? "rtpmap:%d %s/%s/%s" : e.rate ?
                                "rtpmap:%d %s/%s" : "rtpmap:%d %s"
                        }
                    }, {
                        push: "fmtp",
                        reg: /^fmtp:(\d*) ([\S| ]*)/,
                        names: ["payload", "config"],
                        format: "fmtp:%d %s"
                    }, {
                        name: "control",
                        reg: /^control:(.*)/,
                        format: "control:%s"
                    }, {
                        name: "rtcp",
                        reg: /^rtcp:(\d*)(?: (\S*) IP(\d) (\S*))?/,
                        names: ["port", "netType", "ipVer", "address"],
                        format: function(e) {
                            return null != e.address ? "rtcp:%d %s IP%d %s" :
                                "rtcp:%d"
                        }
                    }, {
                        push: "rtcpFbTrrInt",
                        reg: /^rtcp-fb:(\*|\d*) trr-int (\d*)/,
                        names: ["payload", "value"],
                        format: "rtcp-fb:%d trr-int %d"
                    }, {
                        push: "rtcpFb",
                        reg: /^rtcp-fb:(\*|\d*) ([\w-_]*)(?: ([\w-_]*))?/,
                        names: ["payload", "type", "subtype"],
                        format: function(e) {
                            return null != e.subtype ? "rtcp-fb:%s %s %s" :
                                "rtcp-fb:%s %s"
                        }
                    }, {
                        push: "ext",
                        reg: /^extmap:(\d+)(?:\/(\w+))?(?: (urn:ietf:params:rtp-hdrext:encrypt))? (\S*)(?: (\S*))?/,
                        names: ["value", "direction", "encrypt-uri", "uri", "config"],
                        format: function(e) {
                            return "extmap:%d" + (e.direction ? "/%s" : "%v") + (e[
                                "encrypt-uri"] ? " %s" : "%v") + " %s" + (e
                                .config ?
                                " %s" : "")
                        }
                    }, {
                        name: "extmapAllowMixed",
                        reg: /^(extmap-allow-mixed)/
                    }, {
                        push: "crypto",
                        reg: /^crypto:(\d*) ([\w_]*) (\S*)(?: (\S*))?/,
                        names: ["id", "suite", "config", "sessionConfig"],
                        format: function(e) {
                            return null != e.sessionConfig ? "crypto:%d %s %s %s" :
                                "crypto:%d %s %s"
                        }
                    }, {
                        name: "setup",
                        reg: /^setup:(\w*)/,
                        format: "setup:%s"
                    }, {
                        name: "connectionType",
                        reg: /^connection:(new|existing)/,
                        format: "connection:%s"
                    }, {
                        name: "mid",
                        reg: /^mid:([^\s]*)/,
                        format: "mid:%s"
                    }, {
                        name: "msid",
                        reg: /^msid:(.*)/,
                        format: "msid:%s"
                    }, {
                        name: "ptime",
                        reg: /^ptime:(\d*(?:\.\d*)*)/,
                        format: "ptime:%d"
                    }, {
                        name: "maxptime",
                        reg: /^maxptime:(\d*(?:\.\d*)*)/,
                        format: "maxptime:%d"
                    }, {
                        name: "direction",
                        reg: /^(sendrecv|recvonly|sendonly|inactive)/
                    }, {
                        name: "icelite",
                        reg: /^(ice-lite)/
                    }, {
                        name: "iceUfrag",
                        reg: /^ice-ufrag:(\S*)/,
                        format: "ice-ufrag:%s"
                    }, {
                        name: "icePwd",
                        reg: /^ice-pwd:(\S*)/,
                        format: "ice-pwd:%s"
                    }, {
                        name: "fingerprint",
                        reg: /^fingerprint:(\S*) (\S*)/,
                        names: ["type", "hash"],
                        format: "fingerprint:%s %s"
                    }, {
                        push: "candidates",
                        reg: /^candidate:(\S*) (\d*) (\S*) (\d*) (\S*) (\d*) typ (\S*)(?: raddr (\S*) rport (\d*))?(?: tcptype (\S*))?(?: generation (\d*))?(?: network-id (\d*))?(?: network-cost (\d*))?/,
                        names: ["foundation", "component", "transport", "priority",
                            "ip",
                            "port", "type", "raddr", "rport", "tcptype",
                            "generation",
                            "network-id", "network-cost"
                        ],
                        format: function(e) {
                            var t = "candidate:%s %d %s %d %s %d typ %s";
                            return t += null != e.raddr ? " raddr %s rport %d" :
                                "%v%v",
                                t += null != e.tcptype ? " tcptype %s" : "%v",
                                null != e
                                .generation && (t += " generation %d"), t += null !=
                                e[
                                    "network-id"] ? " network-id %d" : "%v", t +=
                                null != e["network-cost"] ? " network-cost %d" :
                                "%v"
                        }
                    }, {
                        name: "endOfCandidates",
                        reg: /^(end-of-candidates)/
                    }, {
                        name: "remoteCandidates",
                        reg: /^remote-candidates:(.*)/,
                        format: "remote-candidates:%s"
                    }, {
                        name: "iceOptions",
                        reg: /^ice-options:(\S*)/,
                        format: "ice-options:%s"
                    }, {
                        push: "ssrcs",
                        reg: /^ssrc:(\d*) ([\w_-]*)(?::(.*))?/,
                        names: ["id", "attribute", "value"],
                        format: function(e) {
                            var t = "ssrc:%d";
                            return null != e.attribute && (t += " %s", null != e
                                .value && (t += ":%s")), t
                        }
                    }, {
                        push: "ssrcGroups",
                        reg: /^ssrc-group:([\x21\x23\x24\x25\x26\x27\x2A\x2B\x2D\x2E\w]*) (.*)/,
                        names: ["semantics", "ssrcs"],
                        format: "ssrc-group:%s %s"
                    }, {
                        name: "msidSemantic",
                        reg: /^msid-semantic:\s?(\w*) (\S*)/,
                        names: ["semantic", "token"],
                        format: "msid-semantic: %s %s"
                    }, {
                        push: "groups",
                        reg: /^group:(\w*) (.*)/,
                        names: ["type", "mids"],
                        format: "group:%s %s"
                    }, {
                        name: "rtcpMux",
                        reg: /^(rtcp-mux)/
                    }, {
                        name: "rtcpRsize",
                        reg: /^(rtcp-rsize)/
                    }, {
                        name: "sctpmap",
                        reg: /^sctpmap:([\w_/]*) (\S*)(?: (\S*))?/,
                        names: ["sctpmapNumber", "app", "maxMessageSize"],
                        format: function(e) {
                            return null != e.maxMessageSize ? "sctpmap:%s %s %s" :
                                "sctpmap:%s %s"
                        }
                    }, {
                        name: "xGoogleFlag",
                        reg: /^x-google-flag:([^\s]*)/,
                        format: "x-google-flag:%s"
                    }, {
                        push: "rids",
                        reg: /^rid:([\d\w]+) (\w+)(?: ([\S| ]*))?/,
                        names: ["id", "direction", "params"],
                        format: function(e) {
                            return e.params ? "rid:%s %s %s" : "rid:%s %s"
                        }
                    }, {
                        push: "imageattrs",
                        reg: new RegExp(
                            "^imageattr:(\\d+|\\*)[\\s\\t]+(send|recv)[\\s\\t]+(\\*|\\[\\S+\\](?:[\\s\\t]+\\[\\S+\\])*)(?:[\\s\\t]+(recv|send)[\\s\\t]+(\\*|\\[\\S+\\](?:[\\s\\t]+\\[\\S+\\])*))?"
                        ),
                        names: ["pt", "dir1", "attrs1", "dir2", "attrs2"],
                        format: function(e) {
                            return "imageattr:%s %s %s" + (e.dir2 ? " %s %s" : "")
                        }
                    }, {
                        name: "simulcast",
                        reg: new RegExp(
                            "^simulcast:(send|recv) ([a-zA-Z0-9\\-_~;,]+)(?:\\s?(send|recv) ([a-zA-Z0-9\\-_~;,]+))?$"
                        ),
                        names: ["dir1", "list1", "dir2", "list2"],
                        format: function(e) {
                            return "simulcast:%s %s" + (e.dir2 ? " %s %s" : "")
                        }
                    }, {
                        name: "simulcast_03",
                        reg: /^simulcast:[\s\t]+([\S+\s\t]+)$/,
                        names: ["value"],
                        format: "simulcast: %s"
                    }, {
                        name: "framerate",
                        reg: /^framerate:(\d+(?:$|\.\d+))/,
                        format: "framerate:%s"
                    }, {
                        name: "sourceFilter",
                        reg: /^source-filter: *(excl|incl) (\S*) (IP4|IP6|\*) (\S*) (.*)/,
                        names: ["filterMode", "netType", "addressTypes", "destAddress",
                            "srcList"
                        ],
                        format: "source-filter: %s %s %s %s %s"
                    }, {
                        name: "bundleOnly",
                        reg: /^(bundle-only)/
                    }, {
                        name: "label",
                        reg: /^label:(.+)/,
                        format: "label:%s"
                    }, {
                        name: "sctpPort",
                        reg: /^sctp-port:(\d+)$/,
                        format: "sctp-port:%s"
                    }, {
                        name: "maxMessageSize",
                        reg: /^max-message-size:(\d+)$/,
                        format: "max-message-size:%s"
                    }, {
                        push: "tsRefClocks",
                        reg: /^ts-refclk:([^\s=]*)(?:=(\S*))?/,
                        names: ["clksrc", "clksrcExt"],
                        format: function(e) {
                            return "ts-refclk:%s" + (null != e.clksrcExt ? "=%s" :
                                "")
                        }
                    }, {
                        name: "mediaClk",
                        reg: /^mediaclk:(?:id=(\S*))? *([^\s=]*)(?:=(\S*))?(?: *rate=(\d+)\/(\d+))?/,
                        names: ["id", "mediaClockName", "mediaClockValue",
                            "rateNumerator",
                            "rateDenominator"
                        ],
                        format: function(e) {
                            var t = "mediaclk:";
                            return t += null != e.id ? "id=%s %s" : "%v%s", t +=
                                null !=
                                e.mediaClockValue ? "=%s" : "", t += null != e
                                .rateNumerator ? " rate=%s" : "", t += null != e
                                .rateDenominator ? "/%s" : ""
                        }
                    }, {
                        name: "keywords",
                        reg: /^keywds:(.+)$/,
                        format: "keywds:%s"
                    }, {
                        name: "content",
                        reg: /^content:(.+)/,
                        format: "content:%s"
                    }, {
                        name: "bfcpFloorCtrl",
                        reg: /^floorctrl:(c-only|s-only|c-s)/,
                        format: "floorctrl:%s"
                    }, {
                        name: "bfcpConfId",
                        reg: /^confid:(\d+)/,
                        format: "confid:%s"
                    }, {
                        name: "bfcpUserId",
                        reg: /^userid:(\d+)/,
                        format: "userid:%s"
                    }, {
                        name: "bfcpFloorId",
                        reg: /^floorid:(.+) (?:m-stream|mstrm):(.+)/,
                        names: ["id", "mStream"],
                        format: "floorid:%s mstrm:%s"
                    }, {
                        push: "invalid",
                        names: ["value"]
                    }]
                };
                Object.keys(r).forEach(function(e) {
                    r[e].forEach(function(e) {
                        e.reg || (e.reg = /(.*)/), e.format || (e.format = "%s")
                    })
                })
            }, {}],
            37: [function(e, t, n) {
                var r = e("./parser"),
                    s = e("./writer");
                n.write = s, n.parse = r.parse, n.parseParams = r.parseParams, n.parseFmtpConfig = r
                    .parseFmtpConfig, n.parsePayloads = r.parsePayloads, n.parseRemoteCandidates = r
                    .parseRemoteCandidates, n.parseImageAttributes = r.parseImageAttributes, n
                    .parseSimulcastStreamList = r.parseSimulcastStreamList
            }, {
                "./parser": 38,
                "./writer": 39
            }],
            38: [function(e, t, n) {
                var r = function(e) {
                        return String(Number(e)) === e ? Number(e) : e
                    },
                    s = function(e, t, n) {
                        var s = e.name && e.names;
                        e.push && !t[e.push] ? t[e.push] = [] : s && !t[e.name] && (t[e.name] = {});
                        var i = e.push ? {} : s ? t[e.name] : t;
                        ! function(e, t, n, s) {
                            if (s && !n) t[s] = r(e[1]);
                            else
                                for (var i = 0; i < n.length; i += 1) null != e[i + 1] && (t[n[i]] =
                                    r(
                                        e[i + 1]))
                        }(n.match(e.reg), i, e.names, e.name), e.push && t[e.push].push(i)
                    },
                    i = e("./grammar"),
                    o = RegExp.prototype.test.bind(/^([a-z])=(.*)/);
                n.parse = function(e) {
                    var t = {},
                        n = [],
                        r = t;
                    return e.split(/(\r\n|\r|\n)/).filter(o).forEach(function(e) {
                        var t = e[0],
                            o = e.slice(2);
                        "m" === t && (n.push({
                            rtp: [],
                            fmtp: []
                        }), r = n[n.length - 1]);
                        for (var l = 0; l < (i[t] || []).length; l += 1) {
                            var u = i[t][l];
                            if (u.reg.test(o)) return s(u, r, o)
                        }
                    }), t.media = n, t
                };
                var l = function(e, t) {
                    var n = t.split(/=(.+)/, 2);
                    return 2 === n.length ? e[n[0]] = r(n[1]) : 1 === n.length && t.length >
                        1 && (
                            e[n[0]] = void 0), e
                };
                n.parseParams = function(e) {
                    return e.split(/;\s?/).reduce(l, {})
                }, n.parseFmtpConfig = n.parseParams, n.parsePayloads = function(e) {
                    return e.toString().split(" ").map(Number)
                }, n.parseRemoteCandidates = function(e) {
                    for (var t = [], n = e.split(" ").map(r), s = 0; s < n.length; s += 3) t
                        .push({
                            component: n[s],
                            ip: n[s + 1],
                            port: n[s + 2]
                        });
                    return t
                }, n.parseImageAttributes = function(e) {
                    return e.split(" ").map(function(e) {
                        return e.substring(1, e.length - 1).split(",").reduce(l, {})
                    })
                }, n.parseSimulcastStreamList = function(e) {
                    return e.split(";").map(function(e) {
                        return e.split(",").map(function(e) {
                            var t, n = !1;
                            return "~" !== e[0] ? t = r(e) : (t = r(e.substring(
                                1, e
                                .length)), n = !0), {
                                scid: t,
                                paused: n
                            }
                        })
                    })
                }
            }, {
                "./grammar": 36
            }],
            39: [function(e, t, n) {
                var r = e("./grammar"),
                    s = /%[sdv%]/g,
                    i = function(e, t, n) {
                        var r = [e + "=" + (t.format instanceof Function ? t.format(t.push ? n : n[t
                            .name]) : t.format)];
                        if (t.names)
                            for (var i = 0; i < t.names.length; i += 1) {
                                var o = t.names[i];
                                t.name ? r.push(n[t.name][o]) : r.push(n[t.names[i]])
                            } else r.push(n[t.name]);
                        return function(e) {
                            var t = 1,
                                n = arguments,
                                r = n.length;
                            return e.replace(s, function(e) {
                                if (t >= r) return e;
                                var s = n[t];
                                switch (t += 1, e) {
                                    case "%%":
                                        return "%";
                                    case "%s":
                                        return String(s);
                                    case "%d":
                                        return Number(s);
                                    case "%v":
                                        return ""
                                }
                            })
                        }.apply(null, r)
                    },
                    o = ["v", "o", "s", "i", "u", "e", "p", "c", "b", "t", "r", "z", "a"],
                    l = ["i", "c", "b", "a"];
                t.exports = function(e, t) {
                    t = t || {}, null == e.version && (e.version = 0), null == e.name && (e
                        .name =
                        " "), e.media.forEach(function(e) {
                        null == e.payloads && (e.payloads = "")
                    });
                    var n = t.outerOrder || o,
                        s = t.innerOrder || l,
                        u = [];
                    return n.forEach(function(t) {
                        r[t].forEach(function(n) {
                            n.name in e && null != e[n.name] ? u.push(i(t, n,
                                    e)) :
                                n.push in e && null != e[n.push] && e[n.push]
                                .forEach(function(e) {
                                    u.push(i(t, n, e))
                                })
                        })
                    }), e.media.forEach(function(e) {
                        u.push(i("m", r.m[0], e)), s.forEach(function(t) {
                            r[t].forEach(function(n) {
                                n.name in e && null != e[n.name] ? u
                                    .push(i(
                                        t, n, e)) : n.push in e &&
                                    null !=
                                    e[n.push] && e[n.push].forEach(
                                        function(
                                            e) {
                                            u.push(i(t, n, e))
                                        })
                            })
                        })
                    }), u.join("\r\n") + "\r\n"
                }
            }, {
                "./grammar": 36
            }],
            40: [function(e, t, n) {
                t.exports = {
                    name: "jssip",
                    title: "JsSIP",
                    description: "the Javascript SIP library",
                    version: "3.9.1",
                    homepage: "https://jssip.net",
                    contributors: [
                        "José Luis Millán <jmillan@aliax.net> (https://github.com/jmillan)",
                        "Iñaki Baz Castillo <ibc@aliax.net> (https://inakibaz.me)"
                    ],
                    types: "lib/JsSIP.d.ts",
                    main: "lib-es5/JsSIP.js",
                    keywords: ["sip", "websocket", "webrtc", "node", "browser", "library"],
                    license: "MIT",
                    repository: {
                        type: "git",
                        url: "https://github.com/versatica/JsSIP.git"
                    },
                    bugs: {
                        url: "https://github.com/versatica/JsSIP/issues"
                    },
                    dependencies: {
                        "@types/debug": "^4.1.5",
                        "@types/node": "^14.14.34",
                        debug: "^4.3.1",
                        events: "^3.3.0",
                        "sdp-transform": "^2.14.1"
                    },
                    devDependencies: {
                        "@babel/core": "^7.13.10",
                        "@babel/preset-env": "^7.13.10",
                        "ansi-colors": "^3.2.4",
                        browserify: "^16.5.1",
                        eslint: "^5.16.0",
                        "fancy-log": "^1.3.3",
                        gulp: "^4.0.2",
                        "gulp-babel": "^8.0.0",
                        "gulp-eslint": "^5.0.0",
                        "gulp-expect-file": "^1.0.2",
                        "gulp-header": "^2.0.9",
                        "gulp-nodeunit-runner": "^0.2.2",
                        "gulp-plumber": "^1.2.1",
                        "gulp-rename": "^1.4.0",
                        "gulp-uglify-es": "^1.0.4",
                        pegjs: "^0.7.0",
                        "vinyl-buffer": "^1.0.1",
                        "vinyl-source-stream": "^2.0.0"
                    },
                    scripts: {
                        lint: "gulp lint",
                        test: "gulp test",
                        prepublishOnly: "gulp babel"
                    }
                }
            }, {}]
        }, {}, [8])(8)
    });