libjs-jssip 0.4.0.20140212.1-1 / usr / share / javascript / jssip / JsSIP.min.js

/*global console: false*//**
 * @name JsSIP
 * @namespace
 */(function(e){var t=function(){"use strict";var e={};return Object.defineProperties(e,{version:{get:function(){return"<%= pkg.version %>"}},name:{get:function(){return"<%= pkg.title %>"}}}),e}();(function(t){var n=function(){var e=function(e,t,n){this.logger=e,this.category=t,this.label=n};return e.prototype.debug=function(e){this.logger.debug(this.category,this.label,e)},e.prototype.log=function(e){this.logger.log(this.category,this.label,e)},e.prototype.warn=function(e){this.logger.warn(this.category,this.label,e)},e.prototype.error=function(e){this.logger.error(this.category,this.label,e)},e}(),r=function(){var t,n={error:0,warn:1,log:2,debug:3},r=2,i=!0,s=null;this.loggers={},t=this.getLogger("jssip.loggerfactory"),Object.defineProperties(this,{builtinEnabled:{get:function(){return i},set:function(n){typeof n=="boolean"?i=n:t.error('invalid "builtinEnabled" parameter value: '+e.JSON.stringify(n))}},level:{get:function(){return r},set:function(i){i>=0&&i<=3?r=i:i>3?r=3:n.hasOwnProperty(i)?r=n[i]:t.error('invalid "level" parameter value: '+e.JSON.stringify(i))}},connector:{get:function(){return s},set:function(n){n===null||n===""||n===undefined?s=null:typeof n=="function"?s=n:t.error('invalid "connector" parameter value: '+e.JSON.stringify(n))}}})};r.prototype.print=function(e,t,n,r){var i=[];i.push(new Date),i.push(t),n&&i.push(n),i.push(""),typeof r=="string"?e.call(console,i.join(" | ")+r):e.call(console,r)},r.prototype.debug=function(e,t,n){this.level===3&&(this.builtinEnabled&&this.print(console.debug,e,t,n),this.connector&&this.connector("debug",e,t,n))},r.prototype.log=function(e,t,n){this.level>=2&&(this.builtinEnabled&&this.print(console.log,e,t,n),this.connector&&this.connector("log",e,t,n))},r.prototype.warn=function(e,t,n){this.level>=1&&(this.builtinEnabled&&this.print(console.warn,e,t,n),this.connector&&this.connector("warn",e,t,n))},r.prototype.error=function(e,t,n){this.builtinEnabled&&this.print(console.error,e,t,n),this.connector&&this.connector("error",e,t,n)},r.prototype.getLogger=function(e,t){var r;return t&&this.level===3?new n(this,e,t):this.loggers[e]?this.loggers[e]:(r=new n(this,e),this.loggers[e]=r,r)},t.LoggerFactory=r})(t),function(e){var t,n,r=(new e.LoggerFactory).getLogger("jssip.eventemitter"),i={MAX_LISTENERS:10};t=function(){},t.prototype={initEvents:function(e){var t;this.logger||(this.logger=r),this.maxListeners=i.MAX_LISTENERS,this.events={},this.oneTimeListeners={};for(t in e)this.logger.log("adding event "+e[t]),this.events[e[t]]=[],this.oneTimeListeners[e[t]]=[]},checkEvent:function(e){return!!this.events[e]},addListener:function(e,t){if(t===undefined)return;if(typeof t!="function"){this.logger.error("listener must be a function");return}if(!this.checkEvent(e)){this.logger.error("unable to add a listener to a nonexistent event"+e);return}this.events[e].length>=this.maxListeners&&this.logger.warn("max listeners exceeded for event "+e),this.events[e].push(t),this.logger.log("new listener added to event "+e)},on:function(e,t){this.addListener(e,t)},once:function(e,t){this.on(e,t),this.oneTimeListeners[e].push(t)},removeListener:function(e,t){var n,r,i=0;if(t===undefined)return;if(typeof t!="function")this.logger.error("listener must be a function");else if(!this.checkEvent(e)){this.logger.error("unable to remove a listener from a nonexistent event"+e);return}n=this.events[e],r=n.length;while(i<r)n[i]===t?n.splice(i,1):i++},removeAllListener:function(e){if(!this.checkEvent(e)){this.logger.error("unable to remove listeners from a nonexistent event"+e);return}this.events[e]=[],this.oneTimeListeners[e]=[]},setMaxListeners:function(e){if(typeof e!="number"||e<0){this.logger.error("listeners must be a positive number");return}this.maxListeners=e},listeners:function(e){if(!this.checkEvent(e)){this.logger.error("no event "+e);return}return this.events[e]},emit:function(t,n,r){var i,s,o,u;if(!this.checkEvent(t)){this.logger.error("unable to emit a nonexistent event"+t);return}this.logger.log("emitting event "+t),i=this.events[t],s=i.length,o=new e.Event(t,n,r);for(u=0;u<s;u++)try{i[u].call(null,o)}catch(a){this.logger.error(a.stack)}for(u in this.oneTimeListeners[t])this.removeListener(t,this.oneTimeListeners[t][u]);this.oneTimeListeners[t]=[]}},n=function(e,t,n){this.type=e,this.sender=t,this.data=n},t.C=i,e.EventEmitter=t,e.Event=n}(t),t.C={USER_AGENT:t.name+" "+t.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",AUTHENTICATION_ERROR:"Authentication Error",DIALOG_ERROR:"Dialog Error",WEBRTC_NOT_SUPPORTED:"WebRTC Not Supported",WEBRTC_ERROR:"WebRTC Error",CANCELED:"Canceled",NO_ANSWER:"No Answer",EXPIRES:"Expires",NO_ACK:"No ACK",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],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",UPDATE:"UPDATE",SUBSCRIBE:"SUBSCRIBE",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",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:"Server 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"}},function(t){var n;n={ConfigurationError:function(){var t=function(t,n){this.code=1,this.name="CONFIGURATION_ERROR",this.parameter=t,this.value=n,this.message=this.value?"Invalid value "+e.JSON.stringify(this.value)+' for parameter "'+this.parameter+'"':"Missing parameter: "+this.parameter};return t.prototype=new Error,t}(),InvalidStateError:function(){var e=function(e){this.code=2,this.name="INVALID_STATE_ERROR",this.status=e,this.message="Invalid status: "+e};return e.prototype=new Error,e}(),NotSupportedError:function(){var e=function(e){this.code=3,this.name="NOT_SUPPORTED_ERROR",this.message=e};return e.prototype=new Error,e}()},t.Exceptions=n}(t),function(e){var t,n=500,r=4e3,i=5e3;t={T1:n,T2:r,T4:i,TIMER_B:64*n,TIMER_D:0*n,TIMER_F:64*n,TIMER_H:64*n,TIMER_I:0*n,TIMER_J:0*n,TIMER_K:0*i,TIMER_L:64*n,TIMER_M:64*n,PROVISIONAL_RESPONSE_INTERVAL:6e4},e.Timers=t}(t),function(t){var n,r={STATUS_READY:0,STATUS_DISCONNECTED:1,STATUS_ERROR:2};n=function(e,t){this.logger=e.getLogger("jssip.transport"),this.ua=e,this.ws=null,this.server=t,this.reconnection_attempts=0,this.closed=!1,this.connected=!1,this.reconnectTimer=null,this.lastTransportError={},this.ua.transport=this,this.connect()},n.prototype={send:function(e){var t=e.toString();return this.ws&&this.ws.readyState===WebSocket.OPEN?(this.ua.configuration.trace_sip===!0&&this.logger.log("sending WebSocket message:\n\n"+t+"\n"),this.ws.send(t),!0):(this.logger.warn("unable to send message, WebSocket is not open"),!1)},disconnect:function(){this.ws&&(e.clearTimeout(this.reconnectTimer),this.closed=!0,this.logger.log("closing WebSocket "+this.server.ws_uri),this.ws.close()),this.reconnectTimer!==null&&(e.clearTimeout(this.reconnectTimer),this.reconnectTimer=null,this.ua.emit("disconnected",this.ua,{transport:this,code:this.lastTransportError.code,reason:this.lastTransportError.reason}))},connect:function(){var e=this;if(!(!this.ws||this.ws.readyState!==WebSocket.OPEN&&this.ws.readyState!==WebSocket.CONNECTING))return this.logger.log("WebSocket "+this.server.ws_uri+" is already connected"),!1;this.ws&&this.ws.close(),this.logger.log("connecting to WebSocket "+this.server.ws_uri),this.ua.onTransportConnecting(this,this.reconnection_attempts===0?1:this.reconnection_attempts);try{this.ws=new WebSocket(this.server.ws_uri,"sip"),this.ws.binaryType="arraybuffer",this.ws.onopen=function(){e.onOpen()},this.ws.onclose=function(t){e.onClose(t)},this.ws.onmessage=function(t){e.onMessage(t)},this.ws.onerror=function(t){e.onError(t)}}catch(t){this.logger.warn("error connecting to WebSocket "+this.server.ws_uri+": "+t),this.lastTransportError.code=null,this.lastTransportError.reason=t.message,this.ua.onTransportError(this)}},onOpen:function(){this.connected=!0,this.logger.log("WebSocket "+this.server.ws_uri+" connected"),this.reconnectTimer!==null&&(e.clearTimeout(this.reconnectTimer),this.reconnectTimer=null),this.reconnection_attempts=0,this.closed=!1,this.ua.onTransportConnected(this)},onClose:function(e){var t=this.connected;this.connected=!1,this.lastTransportError.code=e.code,this.lastTransportError.reason=e.reason,this.logger.log("WebSocket disconnected (code: "+e.code+(e.reason?"| reason: "+e.reason:"")+")"),e.wasClean===!1&&this.logger.warn("WebSocket abrupt disconnection"),t===!0?(this.ua.onTransportClosed(this),this.closed?this.ua.emit("disconnected",this.ua,{transport:this,code:this.lastTransportError.code,reason:this.lastTransportError.reason}):this.reConnect()):this.ua.onTransportError(this)},onMessage:function(e){var n,r,i=e.data;if(i==="\r\n"){this.ua.configuration.trace_sip===!0&&this.logger.log("received WebSocket message with CRLF Keep Alive response");return}if(typeof i!="string"){try{i=String.fromCharCode.apply(null,new Uint8Array(i))}catch(s){this.logger.warn("received WebSocket binary message failed to be converted into string, message discarded");return}this.ua.configuration.trace_sip===!0&&this.logger.log("received WebSocket binary message:\n\n"+i+"\n")}else this.ua.configuration.trace_sip===!0&&this.logger.log("received WebSocket text message:\n\n"+i+"\n");n=t.Parser.parseMessage(i,this.ua);if(!n)return;if(this.ua.status===t.UA.C.STATUS_USER_CLOSED&&n instanceof t.IncomingRequest)return;if(t.sanityCheck(n,this.ua,this))if(n instanceof t.IncomingRequest)n.transport=this,this.ua.receiveRequest(n);else if(n instanceof t.IncomingResponse)switch(n.method){case t.C.INVITE:r=this.ua.transactions.ict[n.via_branch],r&&r.receiveResponse(n);break;case t.C.ACK:break;default:r=this.ua.transactions.nict[n.via_branch],r&&r.receiveResponse(n)}},onError:function(e){this.logger.warn("WebSocket connection error: "+e)},reConnect:function(){var t=this;this.reconnection_attempts+=1,this.reconnection_attempts>this.ua.configuration.ws_server_max_reconnection?(this.logger.warn("maximum reconnection attempts for WebSocket "+this.server.ws_uri),this.ua.onTransportError(this)):(this.logger.log("trying to reconnect to WebSocket "+this.server.ws_uri+" (reconnection attempt "+this.reconnection_attempts+")"),this.reconnectTimer=e.setTimeout(function(){t.connect(),t.reconnectTimer=null},this.ua.configuration.ws_server_reconnection_timeout*1e3))}},n.C=r,t.Transport=n}(t),function(e){function n(e,t){var n=t,r=0,i=0;if(e.substring(n,n+2).match(/(^\r\n)/))return-2;while(r===0){i=e.indexOf("\r\n",n);if(i===-1)return i;!e.substring(i+2,i+4).match(/(^\r\n)/)&&e.charAt(i+2).match(/(^\s+)/)?n=i+2:r=i}return r}function r(t,n,r,i){var s,o,u,a,f=n.indexOf(":",r),l=n.substring(r,f).trim(),c=n.substring(f+1,i).trim();switch(l.toLowerCase()){case"via":case"v":t.addHeader("via",c),t.getHeaders("via").length===1?(a=t.parseHeader("Via"),a&&(t.via=a,t.via_branch=a.branch)):a=0;break;case"from":case"f":t.setHeader("from",c),a=t.parseHeader("from"),a&&(t.from=a,t.from_tag=a.getParam("tag"));break;case"to":case"t":t.setHeader("to",c),a=t.parseHeader("to"),a&&(t.to=a,t.to_tag=a.getParam("tag"));break;case"record-route":a=e.Grammar.parse(c,"Record_Route"),a===-1&&(a=undefined),u=a.length;for(o=0;o<u;o++)s=a[o],t.addHeader("record-route",c.substring(s.possition,s.offset)),t.headers["Record-Route"][t.getHeaders("record-route").length-1].parsed=s.parsed;break;case"call-id":case"i":t.setHeader("call-id",c),a=t.parseHeader("call-id"),a&&(t.call_id=c);break;case"contact":case"m":a=e.Grammar.parse(c,"Contact"),a===-1&&(a=undefined),u=a.length;for(o=0;o<u;o++)s=a[o],t.addHeader("contact",c.substring(s.possition,s.offset)),t.headers.Contact[t.getHeaders("contact").length-1].parsed=s.parsed;break;case"content-length":case"l":t.setHeader("content-length",c),a=t.parseHeader("content-length");break;case"content-type":case"c":t.setHeader("content-type",c),a=t.parseHeader("content-type");break;case"cseq":t.setHeader("cseq",c),a=t.parseHeader("cseq"),a&&(t.cseq=a.value),t instanceof e.IncomingResponse&&(t.method=a.method);break;case"max-forwards":t.setHeader("max-forwards",c),a=t.parseHeader("max-forwards");break;case"www-authenticate":t.setHeader("www-authenticate",c),a=t.parseHeader("www-authenticate");break;case"proxy-authenticate":t.setHeader("proxy-authenticate",c),a=t.parseHeader("proxy-authenticate");break;default:t.setHeader(l,c),a=0}return a===undefined?{error:'error parsing header "'+l+'"'}:!0}var t;t={},t.parseMessage=function(t,i){var s,o,u,a,f,l=0,c=t.indexOf("\r\n"),h=i.getLogger("jssip.parser");if(c===-1){h.warn("no CRLF found, not a SIP message, discarded");return}o=t.substring(0,c),f=e.Grammar.parse(o,"Request_Response");if(f===-1){h.warn('error parsing first line of SIP message: "'+o+'"');return}f.status_code?(s=new e.IncomingResponse(i),s.status_code=f.status_code,s.reason_phrase=f.reason_phrase):(s=new e.IncomingRequest(i),s.method=f.method,s.ruri=f.uri),s.data=t,l=c+2;for(;;){c=n(t,l);if(c===-2){a=l+2;break}if(c===-1){f.error("malformed message");return}f=r(s,t,l,c);if(f!==!0){h.error(f.error);return}l=c+2}return s.hasHeader("content-length")?(u=s.getHeader("content-length"),s.body=t.substr(a,u)):s.body=t.substring(a),s},e.Parser=t}(t),function(e){var t,n,r,i;t=function(t,n,r,i,s,o){var u,a,f,l;i=i||{};if(!t||!n||!r)return null;this.logger=r.getLogger("jssip.sipmessage"),this.ua=r,this.headers={},this.method=t,this.ruri=n,this.body=o,this.extraHeaders=s&&s.slice()||[],i.route_set?this.setHeader("route",i.route_set):r.configuration.use_preloaded_route&&this.setHeader("route",r.transport.server.sip_uri),this.setHeader("via",""),this.setHeader("max-forwards",e.UA.C.MAX_FORWARDS),u=i.to_display_name||i.to_display_name===0?'"'+i.to_display_name+'" ':"",u+="<"+(i.to_uri||n)+">",u+=i.to_tag?";tag="+i.to_tag:"",this.to=new e.NameAddrHeader.parse(u),this.setHeader("to",u),i.from_display_name||i.from_display_name===0?a='"'+i.from_display_name+'" ':r.configuration.display_name?a='"'+r.configuration.display_name+'" ':a="",a+="<"+(i.from_uri||r.configuration.uri)+">;tag=",a+=i.from_tag||e.Utils.newTag(),this.from=new e.NameAddrHeader.parse(a),this.setHeader("from",a),f=i.call_id||r.configuration.jssip_id+e.Utils.createRandomToken(15),this.call_id=f,this.setHeader("call-id",f),l=i.cseq||Math.floor(Math.random()*1e4),this.cseq=l,this.setHeader("cseq",l+" "+t)},t.prototype={setHeader:function(t,n){this.headers[e.Utils.headerize(t)]=n instanceof Array?n:[n]},getHeader:function(t){var n,r,i=this.extraHeaders.length,s=this.headers[e.Utils.headerize(t)];if(s){if(s[0])return s[0]}else{n=new RegExp("^\\s*"+t+"\\s*:","i");for(r=0;r<i;r++){s=this.extraHeaders[r];if(n.test(s))return s.substring(s.indexOf(":")+1).trim()}}return},getHeaders:function(t){var n,r,i,s=this.headers[e.Utils.headerize(t)],o=[];if(s){r=s.length;for(n=0;n<r;n++)o.push(s[n]);return o}r=this.extraHeaders.length,i=new RegExp("^\\s*"+t+"\\s*:","i");for(n=0;n<r;n++)s=this.extraHeaders[n],i.test(s)&&o.push(s.substring(s.indexOf(":")+1).trim());return o},hasHeader:function(t){var n,r,i=this.extraHeaders.length;if(this.headers[e.Utils.headerize(t)])return!0;n=new RegExp("^\\s*"+t+"\\s*:","i");for(r=0;r<i;r++)if(n.test(this.extraHeaders[r]))return!0;return!1},toString:function(){var t="",n,r,i,s=[];t+=this.method+" "+this.ruri+" SIP/2.0\r\n";for(n in this.headers){r=this.headers[n].length;for(i=0;i<r;i++)t+=n+": "+this.headers[n][i]+"\r\n"}r=this.extraHeaders.length;for(i=0;i<r;i++)t+=this.extraHeaders[i].trim()+"\r\n";switch(this.method){case e.C.REGISTER:s.push("path","gruu");break;case e.C.INVITE:(this.ua.contact.pub_gruu||this.ua.contact.temp_gruu)&&s.push("gruu")}return s.push("outbound"),t+="Allow: "+e.Utils.getAllowedMethods(this.ua)+"\r\n",t+="Supported: "+s+"\r\n",t+="User-Agent: "+e.C.USER_AGENT+"\r\n",this.body?(r=e.Utils.str_utf8_length(this.body),t+="Content-Length: "+r+"\r\n\r\n",t+=this.body):t+="Content-Length: 0\r\n\r\n",t}},n=function(){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},n.prototype={addHeader:function(t,n){var r={raw:n};t=e.Utils.headerize(t),this.headers[t]?this.headers[t].push(r):this.headers[t]=[r]},getHeader:function(t){var n=this.headers[e.Utils.headerize(t)];if(!n)return;if(n[0])return n[0].raw},getHeaders:function(t){var n,r,i=this.headers[e.Utils.headerize(t)],s=[];if(!i)return[];r=i.length;for(n=0;n<r;n++)s.push(i[n].raw);return s},hasHeader:function(t){return this.headers[e.Utils.headerize(t)]?!0:!1},parseHeader:function(t,n){var r,i,s;t=e.Utils.headerize(t),n=n||0;if(!this.headers[t]){this.logger.log('header "'+t+'" not present');return}if(n>=this.headers[t].length){this.logger.log('not so many "'+t+'" headers present');return}r=this.headers[t][n],i=r.raw;if(r.parsed)return r.parsed;s=e.Grammar.parse(i,t.replace(/-/g,"_"));if(s===-1){this.headers[t].splice(n,1),this.logger.warn('error parsing "'+t+'" header field with value "'+i+'"');return}return r.parsed=s,s},s:function(e,t){return this.parseHeader(e,t)},setHeader:function(t,n){var r={raw:n};this.headers[e.Utils.headerize(t)]=[r]},toString:function(){return this.data}},r=function(e){this.logger=e.getLogger("jssip.sipmessage"),this.ua=e,this.headers={},this.ruri=null,this.transport=null,this.server_transaction=null},r.prototype=new n,r.prototype.reply=function(t,n,r,i,s,o){var u,a,f,l,c,h=[],p=this.getHeader("To"),d=0,v=0;t=t||null,n=n||null;if(!t||t<100||t>699)throw new TypeError("Invalid status_code: "+t);if(!(!n||typeof n=="string"||n instanceof String))throw new TypeError("Invalid reason_phrase: "+n);n=n||e.C.REASON_PHRASE[t]||"",r=r&&r.slice()||[],c="SIP/2.0 "+t+" "+n+"\r\n";if(this.method===e.C.INVITE&&t>100&&t<=200){u=this.getHeaders("record-route"),f=u.length;for(d;d<f;d++)c+="Record-Route: "+u[d]+"\r\n"}a=this.getHeaders("via"),f=a.length;for(v;v<f;v++)c+="Via: "+a[v]+"\r\n";!this.to_tag&&t>100?p+=";tag="+e.Utils.newTag():this.to_tag&&!this.s("to").hasParam("tag")&&(p+=";tag="+this.to_tag),c+="To: "+p+"\r\n",c+="From: "+this.getHeader("From")+"\r\n",c+="Call-ID: "+this.call_id+"\r\n",c+="CSeq: "+this.cseq+" "+this.method+"\r\n",f=r.length;for(l=0;l<f;l++)c+=r[l].trim()+"\r\n";switch(this.method){case e.C.INVITE:(this.ua.contact.pub_gruu||this.ua.contact.temp_gruu)&&h.push("gruu")}h.push("outbound"),this.method===e.C.OPTIONS?(c+="Allow: "+e.Utils.getAllowedMethods(this.ua)+"\r\n",c+="Accept: "+e.UA.C.ACCEPTED_BODY_TYPES+"\r\n"):t===405&&(c+="Allow: "+e.Utils.getAllowedMethods(this.ua)+"\r\n"),c+="Supported: "+h+"\r\n",i?(f=e.Utils.str_utf8_length(i),c+="Content-Type: application/sdp\r\n",c+="Content-Length: "+f+"\r\n\r\n",c+=i):c+="Content-Length: 0\r\n\r\n",this.server_transaction.receiveResponse(t,c,s,o)},r.prototype.reply_sl=function(t,n){var r,i,s=0,o=this.getHeaders("via"),u=o.length;t=t||null,n=n||null;if(!t||t<100||t>699)throw new TypeError("Invalid status_code: "+t);if(!(!n||typeof n=="string"||n instanceof String))throw new TypeError("Invalid reason_phrase: "+n);n=n||e.C.REASON_PHRASE[t]||"",i="SIP/2.0 "+t+" "+n+"\r\n";for(s;s<u;s++)i+="Via: "+o[s]+"\r\n";r=this.getHeader("To"),!this.to_tag&&t>100?r+=";tag="+e.Utils.newTag():this.to_tag&&!this.s("to").hasParam("tag")&&(r+=";tag="+this.to_tag),i+="To: "+r+"\r\n",i+="From: "+this.getHeader("From")+"\r\n",i+="Call-ID: "+this.call_id+"\r\n",i+="CSeq: "+this.cseq+" "+this.method+"\r\n",i+="Content-Length: 0\r\n\r\n",this.transport.send(i)},i=function(e){this.logger=e.getLogger("jssip.sipmessage"),this.headers={},this.status_code=null,this.reason_phrase=null},i.prototype=new n,e.OutgoingRequest=t,e.IncomingRequest=r,e.IncomingResponse=i}(t),function(t){var n;n=function(e,n,r,i,s,o){var u,a;if(!r)throw new TypeError('missing or invalid "host" parameter');e=e||t.C.SIP,this.parameters={},this.headers={};for(u in s)this.setParam(u,s[u]);for(a in o)this.setHeader(a,o[a]);Object.defineProperties(this,{scheme:{get:function(){return e},set:function(t){e=t.toLowerCase()}},user:{get:function(){return n},set:function(e){n=e}},host:{get:function(){return r},set:function(e){r=e.toLowerCase()}},port:{get:function(){return i},set:function(e){i=e===0?e:parseInt(e,10)||null}}})},n.prototype={setParam:function(e,t){e&&(this.parameters[e.toLowerCase()]=typeof t=="undefined"||t===null?null:t.toString().toLowerCase())},getParam:function(e){if(e)return this.parameters[e.toLowerCase()]},hasParam:function(e){if(e)return this.parameters.hasOwnProperty(e.toLowerCase())&&!0||!1},deleteParam:function(e){var t;e=e.toLowerCase();if(this.parameters.hasOwnProperty(e))return t=this.parameters[e],delete this.parameters[e],t},clearParams:function(){this.parameters={}},setHeader:function(e,n){this.headers[t.Utils.headerize(e)]=n instanceof Array?n:[n]},getHeader:function(e){if(e)return this.headers[t.Utils.headerize(e)]},hasHeader:function(e){if(e)return this.headers.hasOwnProperty(t.Utils.headerize(e))&&!0||!1},deleteHeader:function(e){var n;e=t.Utils.headerize(e);if(this.headers.hasOwnProperty(e))return n=this.headers[e],delete this.headers[e],n},clearHeaders:function(){this.headers={}},clone:function(){return new n(this.scheme,this.user,this.host,this.port,e.JSON.parse(e.JSON.stringify(this.parameters)),e.JSON.parse(e.JSON.stringify(this.headers)))},toString:function(){var e,n,r,i,s=[];i=this.scheme+":",this.user&&(i+=t.Utils.escapeUser(this.user)+"@"),i+=this.host;if(this.port||this.port===0)i+=":"+this.port;for(n in this.parameters)i+=";"+n,this.parameters[n]!==null&&(i+="="+this.parameters[n]);for(e in this.headers)for(r in this.headers[e])s.push(e+"="+this.headers[e][r]);return s.length>0&&(i+="?"+s.join("&")),i},toAor:function(e){var n;return n=this.scheme+":",this.user&&(n+=t.Utils.escapeUser(this.user)+"@"),n+=this.host,e&&(this.port||this.port===0)&&(n+=":"+this.port),n}},n.parse=function(e){return e=t.Grammar.parse(e,"SIP_URI"),e!==-1?e:undefined},t.URI=n}(t),function(t){var n;n=function(e,n,r){var i;if(!e||!(e instanceof t.URI))throw new TypeError('missing or invalid "uri" parameter');this.uri=e,this.parameters={};for(i in r)this.setParam(i,r[i]);Object.defineProperties(this,{display_name:{get:function(){return n},set:function(e){n=e===0?"0":e}}})},n.prototype={setParam:function(e,t){e&&(this.parameters[e.toLowerCase()]=typeof t=="undefined"||t===null?null:t.toString())},getParam:function(e){if(e)return this.parameters[e.toLowerCase()]},hasParam:function(e){if(e)return this.parameters.hasOwnProperty(e.toLowerCase())&&!0||!1},deleteParam:function(e){var t;e=e.toLowerCase();if(this.parameters.hasOwnProperty(e))return t=this.parameters[e],delete this.parameters[e],t},clearParams:function(){this.parameters={}},clone:function(){return new n(this.uri.clone(),this.display_name,e.JSON.parse(e.JSON.stringify(this.parameters)))},toString:function(){var e,t;e=this.display_name||this.display_name===0?'"'+this.display_name+'" ':"",e+="<"+this.uri.toString()+">";for(t in this.parameters)e+=";"+t,this.parameters[t]!==null&&(e+="="+this.parameters[t]);return e}},n.parse=function(e){return e=t.Grammar.parse(e,"Name_Addr_Header"),e!==-1?e:undefined},t.NameAddrHeader=n}(t),function(t){var n={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"},r=function(e,t,r){var i,s=["stateChanged"];this.type=n.NON_INVITE_CLIENT,this.transport=r,this.id="z9hG4bK"+Math.floor(Math.random()*1e7),this.request_sender=e,this.request=t,this.logger=e.ua.getLogger("jssip.transaction.nict",this.id),i="SIP/2.0/"+(e.ua.configuration.hack_via_tcp?"TCP":r.server.scheme),i+=" "+e.ua.configuration.via_host+";branch="+this.id,this.request.setHeader("via",i),this.request_sender.ua.newTransaction(this),this.initEvents(s)};r.prototype=new t.EventEmitter,r.prototype.stateChanged=function(e){this.state=e,this.emit("stateChanged",this)},r.prototype.send=function(){var r=this;this.stateChanged(n.STATUS_TRYING),this.F=e.setTimeout(function(){r.timer_F()},t.Timers.TIMER_F),this.transport.send(this.request)||this.onTransportError()},r.prototype.onTransportError=function(){this.logger.log("transport error occurred, deleting non-INVITE client transaction "+this.id),e.clearTimeout(this.F),e.clearTimeout(this.K),this.request_sender.ua.destroyTransaction(this),this.request_sender.onTransportError()},r.prototype.timer_F=function(){this.logger.log("Timer F expired for non-INVITE client transaction "+this.id),this.stateChanged(n.STATUS_TERMINATED),this.request_sender.onRequestTimeout(),this.request_sender.ua.destroyTransaction(this)},r.prototype.timer_K=function(){this.stateChanged(n.STATUS_TERMINATED),this.request_sender.ua.destroyTransaction(this)},r.prototype.receiveResponse=function(r){var i=this,s=r.status_code;if(s<200)switch(this.state){case n.STATUS_TRYING:case n.STATUS_PROCEEDING:this.stateChanged(n.STATUS_PROCEEDING),this.request_sender.receiveResponse(r)}else switch(this.state){case n.STATUS_TRYING:case n.STATUS_PROCEEDING:this.stateChanged(n.STATUS_COMPLETED),e.clearTimeout(this.F),s===408?this.request_sender.onRequestTimeout():this.request_sender.receiveResponse(r),this.K=e.setTimeout(function(){i.timer_K()},t.Timers.TIMER_K);break;case n.STATUS_COMPLETED:}};var i=function(e,t,r){var i,s=this,o=["stateChanged"];this.type=n.INVITE_CLIENT,this.transport=r,this.id="z9hG4bK"+Math.floor(Math.random()*1e7),this.request_sender=e,this.request=t,this.logger=e.ua.getLogger("jssip.transaction.ict",this.id),i="SIP/2.0/"+(e.ua.configuration.hack_via_tcp?"TCP":r.server.scheme),i+=" "+e.ua.configuration.via_host+";branch="+this.id,this.request.setHeader("via",i),this.request_sender.ua.newTransaction(this),this.request.cancel=function(e){s.cancel_request(s,e)},this.initEvents(o)};i.prototype=new t.EventEmitter,i.prototype.stateChanged=function(e){this.state=e,this.emit("stateChanged",this)},i.prototype.send=function(){var r=this;this.stateChanged(n.STATUS_CALLING),this.B=e.setTimeout(function(){r.timer_B()},t.Timers.TIMER_B),this.transport.send(this.request)||this.onTransportError()},i.prototype.onTransportError=function(){this.logger.log("transport error occurred, deleting INVITE client transaction "+this.id),e.clearTimeout(this.B),e.clearTimeout(this.D),e.clearTimeout(this.M),this.request_sender.ua.destroyTransaction(this),this.state!==n.STATUS_ACCEPTED&&this.request_sender.onTransportError()},i.prototype.timer_M=function(){this.logger.log("Timer M expired for INVITE client transaction "+this.id),this.state===n.STATUS_ACCEPTED&&(this.stateChanged(n.STATUS_TERMINATED),e.clearTimeout(this.B),this.request_sender.ua.destroyTransaction(this))},i.prototype.timer_B=function(){this.logger.log("Timer B expired for INVITE client transaction "+this.id),this.state===n.STATUS_CALLING&&(this.stateChanged(n.STATUS_TERMINATED),this.request_sender.onRequestTimeout(),this.request_sender.ua.destroyTransaction(this))},i.prototype.timer_D=function(){this.logger.log("Timer D expired for INVITE client transaction "+this.id),this.stateChanged(n.STATUS_TERMINATED),e.clearTimeout(this.B),this.request_sender.ua.destroyTransaction(this)},i.prototype.sendACK=function(n){var r=this;this.ack="ACK "+this.request.ruri+" SIP/2.0\r\n",this.ack+="Via: "+this.request.headers.Via.toString()+"\r\n",this.request.headers.Route&&(this.ack+="Route: "+this.request.headers.Route.toString()+"\r\n"),this.ack+="To: "+n.getHeader("to")+"\r\n",this.ack+="From: "+this.request.headers.From.toString()+"\r\n",this.ack+="Call-ID: "+this.request.headers["Call-ID"].toString()+"\r\n",this.ack+="CSeq: "+this.request.headers.CSeq.toString().split(" ")[0],this.ack+=" ACK\r\n\r\n",this.D=e.setTimeout(function(){r.timer_D()},t.Timers.TIMER_D),this.transport.send(this.ack)},i.prototype.cancel_request=function(e,r){var i=e.request;this.cancel=t.C.CANCEL+" "+i.ruri+" SIP/2.0\r\n",this.cancel+="Via: "+i.headers.Via.toString()+"\r\n",this.request.headers.Route&&(this.cancel+="Route: "+i.headers.Route.toString()+"\r\n"),this.cancel+="To: "+i.headers.To.toString()+"\r\n",this.cancel+="From: "+i.headers.From.toString()+"\r\n",this.cancel+="Call-ID: "+i.headers["Call-ID"].toString()+"\r\n",this.cancel+="CSeq: "+i.headers.CSeq.toString().split(" ")[0]+" CANCEL\r\n",r&&(this.cancel+="Reason: "+r+"\r\n"),this.cancel+="Content-Length: 0\r\n\r\n",this.state===n.STATUS_PROCEEDING&&this.transport.send(this.cancel)},i.prototype.receiveResponse=function(r){var i=this,s=r.status_code;if(s>=100&&s<=199)switch(this.state){case n.STATUS_CALLING:this.stateChanged(n.STATUS_PROCEEDING),this.request_sender.receiveResponse(r),this.cancel&&this.transport.send(this.cancel);break;case n.STATUS_PROCEEDING:this.request_sender.receiveResponse(r)}else if(s>=200&&s<=299)switch(this.state){case n.STATUS_CALLING:case n.STATUS_PROCEEDING:this.stateChanged(n.STATUS_ACCEPTED),this.M=e.setTimeout(function(){i.timer_M()},t.Timers.TIMER_M),this.request_sender.receiveResponse(r);break;case n.STATUS_ACCEPTED:this.request_sender.receiveResponse(r)}else if(s>=300&&s<=699)switch(this.state){case n.STATUS_CALLING:case n.STATUS_PROCEEDING:this.stateChanged(n.STATUS_COMPLETED),this.sendACK(r),this.request_sender.receiveResponse(r);break;case n.STATUS_COMPLETED:this.sendACK(r)}};var s=function(e,t,n){var r;this.transport=n,this.id="z9hG4bK"+Math.floor(Math.random()*1e7),this.request_sender=e,this.request=t,this.logger=e.ua.getLogger("jssip.transaction.nict",this.id),r="SIP/2.0/"+(e.ua.configuration.hack_via_tcp?"TCP":n.server.scheme),r+=" "+e.ua.configuration.via_host+";branch="+this.id,this.request.setHeader("via",r)};s.prototype=new t.EventEmitter,s.prototype.send=function(){this.transport.send(this.request)||this.onTransportError()},s.prototype.onTransportError=function(){this.logger.log("transport error occurred, for an ACK client transaction "+this.id),this.request_sender.onTransportError()};var o=function(e,t){var r=["stateChanged"];this.type=n.NON_INVITE_SERVER,this.id=e.via_branch,this.request=e,this.transport=e.transport,this.ua=t,this.last_response="",e.server_transaction=this,this.logger=t.getLogger("jssip.transaction.nist",this.id),this.state=n.STATUS_TRYING,t.newTransaction(this),this.initEvents(r)};o.prototype=new t.EventEmitter,o.prototype.stateChanged=function(e){this.state=e,this.emit("stateChanged",this)},o.prototype.timer_J=function(){this.logger.log("Timer J expired for non-INVITE server transaction "+this.id),this.stateChanged(n.STATUS_TERMINATED),this.ua.destroyTransaction(this)},o.prototype.onTransportError=function(){this.transportError||(this.transportError=!0,this.logger.log("transport error occurred, deleting non-INVITE server transaction "+this.id),e.clearTimeout(this.J),this.ua.destroyTransaction(this
))},o.prototype.receiveResponse=function(r,i,s,o){var u=this;if(r===100)switch(this.state){case n.STATUS_TRYING:this.stateChanged(n.STATUS_PROCEEDING),this.transport.send(i)||this.onTransportError();break;case n.STATUS_PROCEEDING:this.last_response=i,this.transport.send(i)?s&&s():(this.onTransportError(),o&&o())}else if(r>=200&&r<=699)switch(this.state){case n.STATUS_TRYING:case n.STATUS_PROCEEDING:this.stateChanged(n.STATUS_COMPLETED),this.last_response=i,this.J=e.setTimeout(function(){u.timer_J()},t.Timers.TIMER_J),this.transport.send(i)?s&&s():(this.onTransportError(),o&&o());break;case n.STATUS_COMPLETED:}};var u=function(e,t){var r=["stateChanged"];this.type=n.INVITE_SERVER,this.id=e.via_branch,this.request=e,this.transport=e.transport,this.ua=t,this.last_response="",e.server_transaction=this,this.logger=t.getLogger("jssip.transaction.ist",this.id),this.state=n.STATUS_PROCEEDING,t.newTransaction(this),this.resendProvisionalTimer=null,e.reply(100),this.initEvents(r)};u.prototype=new t.EventEmitter,u.prototype.stateChanged=function(e){this.state=e,this.emit("stateChanged",this)},u.prototype.timer_H=function(){this.logger.log("Timer H expired for INVITE server transaction "+this.id),this.state===n.STATUS_COMPLETED&&(this.logger.warn("transactions","ACK for INVITE server transaction was never received, call will be terminated"),this.stateChanged(n.STATUS_TERMINATED)),this.ua.destroyTransaction(this)},u.prototype.timer_I=function(){this.stateChanged(n.STATUS_TERMINATED),this.ua.destroyTransaction(this)},u.prototype.timer_L=function(){this.logger.log("Timer L expired for INVITE server transaction "+this.id),this.state===n.STATUS_ACCEPTED&&(this.stateChanged(n.STATUS_TERMINATED),this.ua.destroyTransaction(this))},u.prototype.onTransportError=function(){this.transportError||(this.transportError=!0,this.logger.log("transport error occurred, deleting INVITE server transaction "+this.id),this.resendProvisionalTimer!==null&&(e.clearInterval(this.resendProvisionalTimer),this.resendProvisionalTimer=null),e.clearTimeout(this.L),e.clearTimeout(this.H),e.clearTimeout(this.I),this.ua.destroyTransaction(this))},u.prototype.resend_provisional=function(){this.transport.send(this.last_response)||this.onTransportError()},u.prototype.receiveResponse=function(r,i,s,o){var u=this;if(r>=100&&r<=199)switch(this.state){case n.STATUS_PROCEEDING:this.transport.send(i)||this.onTransportError(),this.last_response=i}if(r>100&&r<=199&&this.state===n.STATUS_PROCEEDING)this.resendProvisionalTimer===null&&(this.resendProvisionalTimer=e.setInterval(function(){u.resend_provisional()},t.Timers.PROVISIONAL_RESPONSE_INTERVAL));else if(r>=200&&r<=299)switch(this.state){case n.STATUS_PROCEEDING:this.stateChanged(n.STATUS_ACCEPTED),this.last_response=i,this.L=e.setTimeout(function(){u.timer_L()},t.Timers.TIMER_L),this.resendProvisionalTimer!==null&&(e.clearInterval(this.resendProvisionalTimer),this.resendProvisionalTimer=null);case n.STATUS_ACCEPTED:this.transport.send(i)?s&&s():(this.onTransportError(),o&&o())}else if(r>=300&&r<=699)switch(this.state){case n.STATUS_PROCEEDING:this.resendProvisionalTimer!==null&&(e.clearInterval(this.resendProvisionalTimer),this.resendProvisionalTimer=null),this.transport.send(i)?(this.stateChanged(n.STATUS_COMPLETED),this.H=e.setTimeout(function(){u.timer_H()},t.Timers.TIMER_H),s&&s()):(this.onTransportError(),o&&o())}};var a=function(r,i){var s;switch(i.method){case t.C.INVITE:s=r.transactions.ist[i.via_branch];if(s){switch(s.state){case n.STATUS_PROCEEDING:s.transport.send(s.last_response);break;case n.STATUS_ACCEPTED:}return!0}break;case t.C.ACK:s=r.transactions.ist[i.via_branch];if(!s)return!1;if(s.state===n.STATUS_ACCEPTED)return!1;if(s.state===n.STATUS_COMPLETED)return s.state=n.STATUS_CONFIRMED,s.I=e.setTimeout(function(){s.timer_I()},t.Timers.TIMER_I),!0;break;case t.C.CANCEL:return s=r.transactions.ist[i.via_branch],s?(i.reply_sl(200),s.state===n.STATUS_PROCEEDING?!1:!0):(i.reply_sl(481),!0);default:s=r.transactions.nist[i.via_branch];if(s){switch(s.state){case n.STATUS_TRYING:break;case n.STATUS_PROCEEDING:case n.STATUS_COMPLETED:s.transport.send(s.last_response)}return!0}}};t.Transactions={C:n,checkTransaction:a,NonInviteClientTransaction:r,InviteClientTransaction:i,AckClientTransaction:s,NonInviteServerTransaction:o,InviteServerTransaction:u}}(t),function(t){var n=function(t){var n;return n=function(e,t,n){this.dialog=e,this.applicant=t,this.request=n,this.reattempt=!1,this.reattemptTimer=null},n.prototype={send:function(){var e=new t.RequestSender(this,this.dialog.owner.ua);e.send()},onRequestTimeout:function(){this.applicant.onRequestTimeout()},onTransportError:function(){this.applicant.onTransportError()},receiveResponse:function(n){var r=this;n.status_code===408||n.status_code===481?this.applicant.onDialogError(n):n.method===t.C.INVITE&&n.status_code===491?this.reattempt?this.applicant.receiveResponse(n):(this.request.cseq.value=this.dialog.local_seqnum+=1,this.reattemptTimer=e.setTimeout(function(){r.applicant.owner.status!==t.RTCSession.C.STATUS_TERMINATED&&(r.reattempt=!0,r.request_sender.send())},this.getReattemptTimeout())):this.applicant.receiveResponse(n)}},n}(t),r,i={STATUS_EARLY:1,STATUS_CONFIRMED:2};r=function(e,n,r,s){var o;if(!n.hasHeader("contact"))return{error:"unable to create a Dialog without Contact header field"};n instanceof t.IncomingResponse?s=n.status_code<200?i.STATUS_EARLY:i.STATUS_CONFIRMED:s=s||i.STATUS_CONFIRMED,o=n.parseHeader("contact"),r==="UAS"?(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=o.uri,this.route_set=n.getHeaders("record-route")):r==="UAC"&&(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=o.uri,this.route_set=n.getHeaders("record-route").reverse()),this.logger=e.ua.getLogger("jssip.dialog",this.id.toString()),this.owner=e,e.ua.dialogs[this.id.toString()]=this,this.logger.log("new "+r+" dialog created with status "+(this.state===i.STATUS_EARLY?"EARLY":"CONFIRMED"))},r.prototype={update:function(e,t){this.state=i.STATUS_CONFIRMED,this.logger.log("dialog "+this.id.toString()+"  changed to CONFIRMED state"),t==="UAC"&&(this.route_set=e.getHeaders("record-route").reverse())},terminate:function(){this.logger.log("dialog "+this.id.toString()+" deleted"),delete this.owner.ua.dialogs[this.id.toString()]},createRequest:function(e,n,r){var i,s;return n=n&&n.slice()||[],this.local_seqnum||(this.local_seqnum=Math.floor(Math.random()*1e4)),i=e===t.C.CANCEL||e===t.C.ACK?this.local_seqnum:this.local_seqnum+=1,s=new t.OutgoingRequest(e,this.remote_target,this.owner.ua,{cseq:i,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},n,r),s.dialog=this,s},checkInDialogRequest:function(e){var n=this;if(!this.remote_seqnum)this.remote_seqnum=e.cseq;else{if(e.method!==t.C.INVITE&&e.cseq<this.remote_seqnum)return e.method!==t.C.ACK&&e.reply(500),!1;e.cseq>this.remote_seqnum&&(this.remote_seqnum=e.cseq)}switch(e.method){case t.C.INVITE:if(e.cseq<this.remote_seqnum){if(this.state===i.STATUS_EARLY){var r=(Math.random()*10|0)+1;e.reply(500,null,["Retry-After:"+r])}else e.reply(500);return!1}if(this.state===i.STATUS_EARLY)return e.reply(491),!1;e.hasHeader("contact")&&e.server_transaction.on("stateChanged",function(r){r.sender.state===t.Transactions.C.STATUS_ACCEPTED&&(n.remote_target=e.parseHeader("contact").uri)});break;case t.C.NOTIFY:e.hasHeader("contact")&&e.server_transaction.on("stateChanged",function(r){r.sender.state===t.Transactions.C.STATUS_COMPLETED&&(n.remote_target=e.parseHeader("contact").uri)})}return!0},sendRequest:function(e,t,r){r=r||{};var i=r.extraHeaders&&r.extraHeaders.slice()||[],s=r.body||null,o=this.createRequest(t,i,s),u=new n(this,e,o);u.send()},receiveRequest:function(e){if(!this.checkInDialogRequest(e))return;this.owner.receiveRequest(e)}},r.C=i,t.Dialog=r}(t),function(e){var t;t=function(t,n){this.logger=n.getLogger("jssip.requestsender"),this.ua=n,this.applicant=t,this.method=t.request.method,this.request=t.request,this.credentials=null,this.challenged=!1,this.staled=!1,n.status===e.UA.C.STATUS_USER_CLOSED&&(this.method!==e.C.BYE||this.method!==e.C.ACK)&&this.onTransportError()},t.prototype={send:function(){switch(this.method){case"INVITE":this.clientTransaction=new e.Transactions.InviteClientTransaction(this,this.request,this.ua.transport);break;case"ACK":this.clientTransaction=new e.Transactions.AckClientTransaction(this,this.request,this.ua.transport);break;default:this.clientTransaction=new e.Transactions.NonInviteClientTransaction(this,this.request,this.ua.transport)}this.clientTransaction.send()},onRequestTimeout:function(){this.applicant.onRequestTimeout()},onTransportError:function(){this.applicant.onTransportError()},receiveResponse:function(t){var n,r,i,s=t.status_code;if(s!==401&&s!==407||this.ua.configuration.password===null)this.applicant.receiveResponse(t);else{t.status_code===401?(r=t.parseHeader("www-authenticate"),i="authorization"):(r=t.parseHeader("proxy-authenticate"),i="proxy-authorization");if(!r){this.logger.warn(t.status_code+" with wrong or missing challenge, cannot authenticate"),this.applicant.receiveResponse(t);return}if(!this.challenged||!this.staled&&r.stale===!0){this.credentials||(this.credentials=new e.DigestAuthentication(this.ua));if(!this.credentials.authenticate(this.request,r)){this.applicant.receiveResponse(t);return}this.challenged=!0,r.stale&&(this.staled=!0),t.method===e.C.REGISTER?n=this.applicant.cseq+=1:this.request.dialog?n=this.request.dialog.local_seqnum+=1:(n=this.request.cseq+1,this.request.cseq=n),this.request.setHeader("cseq",n+" "+this.method),this.request.setHeader(i,this.credentials.toString()),this.send()}else this.applicant.receiveResponse(t)}}},e.RequestSender=t}(t),function(t){var n;n=function(e,n){var r=1;this.logger=e.getLogger("jssip.registrator"),this.ua=e,this.transport=n,this.registrar=e.configuration.registrar_server,this.expires=e.configuration.register_expires,this.call_id=t.Utils.createRandomToken(22),this.cseq=80,this.to_uri=e.configuration.uri,this.registrationTimer=null,this.registered=this.registered_before=!1,this.ua.registrator=this,this.contact=this.ua.contact.toString(),this.extraHeaders=[],r&&(this.contact+=";reg-id="+r,this.contact+=';+sip.instance="<urn:uuid:'+this.ua.configuration.instance_id+'>"')},n.prototype={register:function(n){var r,i,s,o=this;n=n||{},n.extraHeaders&&Object.keys(n.extraHeaders).length!==0&&(this.extraHeaders=n.extraHeaders&&n.extraHeaders.slice()),s=this.extraHeaders.slice(),s.push("Contact: "+this.contact+";expires="+this.expires),this.request=new t.OutgoingRequest(t.C.REGISTER,this.registrar,this.ua,{to_uri:this.to_uri,call_id:this.call_id,cseq:this.cseq+=1},s),r=new t.RequestSender(this,this.ua),this.receiveResponse=function(n){var r,s,u=n.getHeaders("contact").length;if(n.cseq!==this.cseq)return;this.registrationTimer!==null&&(e.clearTimeout(this.registrationTimer),this.registrationTimer=null);switch(!0){case/^1[0-9]{2}$/.test(n.status_code):break;case/^2[0-9]{2}$/.test(n.status_code):n.hasHeader("expires")&&(s=n.getHeader("expires"));if(!u){this.logger.warn("no Contact header in response to REGISTER, response ignored");break}while(u--){r=n.parseHeader("contact",u);if(r.uri.user===this.ua.contact.uri.user){s=r.getParam("expires");break}r=null}if(!r){this.logger.warn("no Contact header pointing to us, response ignored");break}s||(s=this.expires),this.registrationTimer=e.setTimeout(function(){o.registrationTimer=null,o.register()},s*1e3-3e3),r.hasParam("temp-gruu")&&(this.ua.contact.temp_gruu=r.getParam("temp-gruu").replace(/"/g,"")),r.hasParam("pub-gruu")&&(this.ua.contact.pub_gruu=r.getParam("pub-gruu").replace(/"/g,"")),this.registered=!0,this.ua.emit("registered",this.ua,{response:n});break;case/^423$/.test(n.status_code):n.hasHeader("min-expires")?(this.expires=n.getHeader("min-expires"),this.register()):(this.logger.warn("423 response received for REGISTER without Min-Expires"),this.registrationFailure(n,t.C.causes.SIP_FAILURE_CODE));break;default:i=t.Utils.sipErrorCause(n.status_code),this.registrationFailure(n,i)}},this.onRequestTimeout=function(){this.registrationFailure(null,t.C.causes.REQUEST_TIMEOUT)},this.onTransportError=function(){this.registrationFailure(null,t.C.causes.CONNECTION_ERROR)},r.send()},unregister:function(n){var r;if(!this.registered){this.logger.warn("already unregistered");return}n=n||{},n.extraHeaders&&Object.keys(n.extraHeaders).length!==0&&(this.extraHeaders=n.extraHeaders&&n.extraHeaders.slice()),r=this.extraHeaders.slice(),this.registered=!1,this.registrationTimer!==null&&(e.clearTimeout(this.registrationTimer),this.registrationTimer=null),n.all?(r.push("Contact: *"),r.push("Expires: 0"),this.request=new t.OutgoingRequest(t.C.REGISTER,this.registrar,this.ua,{to_uri:this.to_uri,call_id:this.call_id,cseq:this.cseq+=1},r)):(r.push("Contact: "+this.contact+";expires=0"),this.request=new t.OutgoingRequest(t.C.REGISTER,this.registrar,this.ua,{to_uri:this.to_uri,call_id:this.call_id,cseq:this.cseq+=1},r));var i=new t.RequestSender(this,this.ua);this.receiveResponse=function(e){var n;switch(!0){case/^1[0-9]{2}$/.test(e.status_code):break;case/^2[0-9]{2}$/.test(e.status_code):this.unregistered(e);break;default:n=t.Utils.sipErrorCause(e.status_code),this.unregistered(e,n)}},this.onRequestTimeout=function(){this.unregistered(null,t.C.causes.REQUEST_TIMEOUT)},this.onTransportError=function(){this.unregistered(null,t.C.causes.CONNECTION_ERROR)},i.send()},registrationFailure:function(e,t){this.ua.emit("registrationFailed",this.ua,{response:e||null,cause:t}),this.registered&&(this.registered=!1,this.ua.emit("unregistered",this.ua,{response:e||null,cause:t}))},unregistered:function(e,t){this.registered=!1,this.ua.emit("unregistered",this.ua,{response:e||null,cause:t||null})},onTransportClosed:function(){this.registered_before=this.registered,this.registrationTimer!==null&&(e.clearTimeout(this.registrationTimer),this.registrationTimer=null),this.registered&&(this.registered=!1,this.ua.emit("unregistered",this.ua))},onTransportConnected:function(){this.register()},close:function(){this.registered_before=this.registered,this.unregister()}},t.Registrator=n}(t),function(t){var n=function(e){var t=function(e){var t=["progress","succeeded","failed"];this.owner=e,this.logger=e.ua.getLogger("jssip.rtcsession.request",e.id),this.initEvents(t)};return t.prototype=new e.EventEmitter,t.prototype.send=function(t,n){n=n||{};var r,i=n.extraHeaders&&n.extraHeaders.slice()||[],s=n.eventHandlers||{},u=n.body||null;if(t===undefined)throw new TypeError("Not enough arguments");if(this.owner.status!==e.RTCSession.C.STATUS_1XX_RECEIVED&&this.owner.status!==e.RTCSession.C.STATUS_WAITING_FOR_ANSWER&&this.owner.status!==e.RTCSession.C.STATUS_WAITING_FOR_ACK&&this.owner.status!==e.RTCSession.C.STATUS_CONFIRMED&&this.owner.status!==e.RTCSession.C.STATUS_TERMINATED)throw new e.Exceptions.InvalidStateError(this.owner.status);if(this.owner.status===o.STATUS_TERMINATED&&t!==e.C.BYE)throw new e.Exceptions.InvalidStateError(this.owner.status);for(r in s)this.on(r,s[r]);this.owner.dialog.sendRequest(this,t,{extraHeaders:i,body:u})},t.prototype.receiveResponse=function(t){var n;switch(!0){case/^1[0-9]{2}$/.test(t.status_code):this.emit("progress",this,{originator:"remote",response:t});break;case/^2[0-9]{2}$/.test(t.status_code):this.emit("succeeded",this,{originator:"remote",response:t});break;default:n=e.Utils.sipErrorCause(t.status_code),this.emit("failed",this,{originator:"remote",response:t,cause:n})}},t.prototype.onRequestTimeout=function(){this.emit("failed",this,{originator:"system",cause:e.C.causes.REQUEST_TIMEOUT}),this.owner.onRequestTimeout()},t.prototype.onTransportError=function(){this.emit("failed",this,{originator:"system",cause:e.C.causes.CONNECTION_ERROR}),this.owner.onTransportError()},t.prototype.onDialogError=function(t){this.emit("failed",this,{originator:"remote",response:t,cause:e.C.causes.DIALOG_ERROR}),this.owner.onDialogError(t)},t}(t),r=function(e){var t=function(e,t){t=t||{},this.logger=e.ua.getLogger("jssip.rtcsession.rtcmediahandler",e.id),this.session=e,this.localMedia=null,this.peerConnection=null,this.init(t)};return t.prototype={createOffer:function(e,t,n){var r=this,i=!1;this.onIceCompleted=function(){i||(i=!0,e(r.peerConnection.localDescription.sdp))},this.peerConnection.createOffer(function(e){r.setLocalDescription(e,t)},function(e){r.logger.error("unable to create offer"),r.logger.error(e),t()},n)},createAnswer:function(e,t,n){var r=this,i=!1;this.onIceCompleted=function(){i||(i=!0,e(r.peerConnection.localDescription.sdp))},this.peerConnection.createAnswer(function(e){r.setLocalDescription(e,t)},function(e){r.logger.error("unable to create answer"),r.logger.error(e),t()},n)},setLocalDescription:function(e,t){var n=this;this.peerConnection.setLocalDescription(e,function(){},function(e){n.logger.error("unable to set local description"),n.logger.error(e),t()})},addStream:function(e,t,n,r){try{this.peerConnection.addStream(e,r)}catch(i){this.logger.error("error adding stream"),this.logger.error(i),n();return}t()},init:function(t){t=t||{};var n,r,i,s=this,o=[],u=t.constraints||{},a=t.stun_servers||null,f=t.turn_servers||null,l=this.session.ua.configuration;a||(a=l.stun_servers),f||(f=l.turn_servers),a.length>0&&o.push({url:a}),r=f.length;for(n=0;n<r;n++)i=f[n],o.push({url:i.urls,username:i.username,credential:i.credential});this.peerConnection=new e.WebRTC.RTCPeerConnection({iceServers:o},u),this.peerConnection.onaddstream=function(e){s.logger.log("stream added: "+e.stream.id)},this.peerConnection.onremovestream=function(e){s.logger.log("stream removed: "+e.stream.id)},this.peerConnection.onicecandidate=function(e){e.candidate?s.logger.log("ICE candidate received: "+e.candidate.candidate):s.onIceCompleted!==undefined&&s.onIceCompleted()},this.peerConnection.oniceconnectionstatechange=function(t){s.logger.log('ICE connection state changed to "'+this.iceConnectionState+'"'),this.iceConnectionState==="disconnected"?s.session.terminate({cause:e.C.causes.RTP_TIMEOUT,status_code:200,reason_phrase:e.C.causes.RTP_TIMEOUT}):t.currentTarget.iceGatheringState==="complete"&&this.iceConnectionState!=="closed"&&s.onIceCompleted()},this.peerConnection.onstatechange=function(){s.logger.log('PeerConnection state changed to "'+this.readyState+'"')}},close:function(){this.logger.log("closing PeerConnection"),this.peerConnection&&(this.peerConnection.close(),this.localMedia&&this.localMedia.stop())},getUserMedia:function(t,n,r){var i=this;this.logger.log("requesting access to local media"),e.WebRTC.getUserMedia(r,function(e){i.logger.log("got local media stream"),i.localMedia=e,t(e)},function(e){i.logger.error("unable to get user media"),i.logger.error(e),n()})},onMessage:function(t,n,r,i){this.peerConnection.setRemoteDescription(new e.WebRTC.RTCSessionDescription({type:t,sdp:n}),r,i)}},t}(t),i=function(e){var t,n={MIN_DURATION:70,MAX_DURATION:6e3,DEFAULT_DURATION:100,MIN_INTER_TONE_GAP:50,DEFAULT_INTER_TONE_GAP:500};return t=function(e){var t=["succeeded","failed"];this.logger=e.ua.getLogger("jssip.rtcsession.dtmf",e.id),this.owner=e,this.direction=null,this.tone=null,this.duration=null,this.initEvents(t)},t.prototype=new e.EventEmitter,t.prototype.send=function(t,n){var r,i,s,o;if(t===undefined)throw new TypeError("Not enough arguments");this.direction="outgoing";if(this.owner.status!==e.RTCSession.C.STATUS_CONFIRMED&&this.owner.status!==e.RTCSession.C.STATUS_WAITING_FOR_ACK)throw new e.Exceptions.InvalidStateError(this.owner.status);n=n||{},s=n.extraHeaders?n.extraHeaders.slice():[],i=n.eventHandlers||{};if(typeof t=="string")t=t.toUpperCase();else{if(typeof t!="number")throw new TypeError("Invalid tone: "+t);t=t.toString()}if(!t.match(/^[0-9A-D#*]$/))throw new TypeError("Invalid tone: "+t);this.tone=t,this.duration=n.duration;for(r in i)this.on(r,i[r]);s.push("Content-Type: application/dtmf-relay"),o="Signal= "+this.tone+"\r\n",o+="Duration= "+this.duration,this.owner.emit("newDTMF",this.owner,{originator:"local",dtmf:this,request:this.request}),this.owner.dialog.sendRequest(this,e.C.INFO,{extraHeaders:s,body:o})},t.prototype.receiveResponse=function(t){var n;switch(!0){case/^1[0-9]{2}$/.test(t.status_code):break;case/^2[0-9]{2}$/.test(t.status_code):this.emit("succeeded",this,{originator:"remote",response:t});break;default:n=e.Utils.sipErrorCause(t.status_code),this.emit("failed",this,{originator:"remote",response:t,cause:n})}},t.prototype.onRequestTimeout=function(){this.emit("failed",this,{originator:"system",cause:e.C.causes.REQUEST_TIMEOUT}),this.owner.onRequestTimeout()},t.prototype.onTransportError=function(){this.emit("failed",this,{originator:"system",cause:e.C.causes.CONNECTION_ERROR}),this.owner.onTransportError()},t.prototype.onDialogError=function(t){this.emit("failed",this,{originator:"remote",response:t,cause:e.C.causes.DIALOG_ERROR}),this.owner.onDialogError(t)},t.prototype.init_incoming=function(e){var t,n=/^(Signal\s*?=\s*?)([0-9A-D#*]{1})(\s)?.*/,r=/^(Duration\s?=\s?)([0-9]{1,4})(\s)?.*/;this.direction="incoming",this.request=e,e.reply(200),e.body&&(t=e.body.split("\r\n"),t.length===2&&(n.test(t[0])&&(this.tone=t[0].replace(n,"$2")),r.test(t[1])&&(this.duration=parseInt(t[1].replace(r,"$2"),10)))),!this.tone||!this.duration?this.logger.warn("invalid INFO DTMF received, discarded"):this.owner.emit("newDTMF",this.owner,{originator:"remote",dtmf:this,request:e})},t.C=n,t}(t),s,o={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};s=function(e){var t=["connecting","progress","failed","started","ended","newDTMF"];this.ua=e,this.status=o.STATUS_NULL,this.dialog=null,this.earlyDialogs={},this.rtcMediaHandler=null,this.timers={ackTimer:null,expiresTimer:null,invite2xxTimer:null,userNoAnswerTimer:null},this.direction=null,this.local_identity=null,this.remote_identity=null,this.start_time=null,this.end_time=null,this.tones=null,this.data={},this.initEvents(t)},s.prototype=new t.EventEmitter,s.prototype.terminate=function(e){e=e||{};var n,r,i=e.cause||t.C.causes.BYE,s=e.status_code,u=e.reason_phrase,a=e.extraHeaders&&e.extraHeaders.slice()||[],f=e.body,l=this;if(this.status===o.STATUS_TERMINATED)throw new t.Exceptions.InvalidStateError(this.status);switch(this.status){case o.STATUS_NULL:case o.STATUS_INVITE_SENT:case o.STATUS_1XX_RECEIVED:this.logger.log("canceling RTCSession");if(s&&(s<200||s>=700))throw new TypeError("Invalid status_code: "+s);s&&(u=u||t.C.REASON_PHRASE[s]||"",n="SIP ;cause="+s+' ;text="'+u+'"'),this.status===o.STATUS_NULL?(this.isCanceled=!0,this.cancelReason=n):this.status===o.STATUS_INVITE_SENT?this.received_100?this.request.cancel(n):(this.isCanceled=!0,this.cancelReason=n):this.status===o.STATUS_1XX_RECEIVED&&this.request.cancel(n),this.failed("local",null,t.C.causes.CANCELED);break;case o.STATUS_WAITING_FOR_ANSWER:case o.STATUS_ANSWERED:this.logger.log("rejecting RTCSession"),s=s||480;if(s<300||s>=700)throw new TypeError("Invalid status_code: "+s);this.request.reply(s,u,a,f),this.failed("local",null,t.C.causes.REJECTED);break;case o.STATUS_WAITING_FOR_ACK:case o.STATUS_CONFIRMED:this.logger.log("terminating RTCSession"),u=e.reason_phrase||t.C.REASON_PHRASE[s]||"";if(s&&(s<200||s>=700))throw new TypeError("Invalid status_code: "+s);s&&a.push("Reason: SIP ;cause="+s+'; text="'+u+'"'),this.status===o.STATUS_WAITING_FOR_ACK&&this.direction==="incoming"&&this.request.server_transaction.state!==t.Transactions.C.STATUS_TERMINATED?(r=this.dialog,this.receiveRequest=function(e){e.method===t.C.ACK&&(this.sendRequest(t.C.BYE,{extraHeaders:a,body:f}),r.terminate())},this.request.server_transaction.on("stateChanged",function(e){e.sender.state===t.Transactions.C.STATUS_TERMINATED&&(l.sendRequest(t.C.BYE,{extraHeaders:a,body:f}),r.terminate())}),this.ended("local",null,i),this.dialog=r,this.ua.dialogs[r.id.toString()]=r):(this.sendRequest(t.C.BYE,{extraHeaders:a,body:f}),this.ended("local",null,i))}this.close()},s.prototype.answer=function(n){n=n||{};var r=this,i=this.request,s=n.extraHeaders&&n.extraHeaders.slice()||[],u=n.mediaConstraints||{audio:!0,video:!0},a=n.RTCAnswerConstraints||{},f=n.mediaStream||null,l=function(e){r.rtcMediaHandler.addStream(e,h,p)},c=function(){i.reply(480),r.failed("local",null,t.C.causes.USER_DENIED_MEDIA_ACCESS)},h=function(){r.connecting(i);if(r.status===o.STATUS_TERMINATED)return;r.rtcMediaHandler.createAnswer(d,v,a)},p=function(){if(r.status===o.STATUS_TERMINATED)return;r.failed("system",null,t.C.causes.WEBRTC_ERROR)},d=function(n){var u=function(){var u=t.Timers.T1;r.status=o.STATUS_WAITING_FOR_ACK,r.timers.invite2xxTimer=e.setTimeout(function a(){if(r.status!==o.STATUS_WAITING_FOR_ACK)return;i.reply(200,null,s,n),u<t.Timers.T2&&(u*=2,u>t.Timers.T2&&(u=t.Timers.T2)),r.timers.invite2xxTimer=e.setTimeout(a,u)},u),r.timers.ackTimer=e.setTimeout(function(){r.status===o.STATUS_WAITING_FOR_ACK&&(r.logger.log("no ACK received, terminating the call"),e.clearTimeout(r.timers.invite2xxTimer),r.sendRequest(t.C.BYE),r.ended("remote",null,t.C.causes.NO_ACK))},t.Timers.TIMER_H),r.started("local")},a=function(){r.failed("system",null,t.C.causes.CONNECTION_ERROR)};i.reply(200,null,s,n,u,a)},v=function(){if(r.status===o.STATUS_TERMINATED)return;r.failed("system",null,t.C.causes.WEBRTC_ERROR)};if(this.direction!=="incoming")throw new t.Exceptions.NotSupportedError('"answer" not supported for outgoing RTCSession');if(this.status!==o.STATUS_WAITING_FOR_ANSWER)throw new t.Exceptions.InvalidStateError(this.status);this.status=o.STATUS_ANSWERED;if(!this.createDialog(i,"UAS")){i.reply(500,"Missing Contact header field");return}e.clearTimeout(this.timers.userNoAnswerTimer),s.unshift("Contact: "+r.contact),f?l(f):this.rtcMediaHandler.getUserMedia(l,c,u)},s.prototype.sendDTMF=function(n,r){var s,u,a=0,f=this;r=r||{},s=r.duration||null,u=r.interToneGap||null;if(n===undefined)throw new TypeError("Not enough arguments");if(this.status!==o.STATUS_CONFIRMED&&this.status!==o.STATUS_WAITING_FOR_ACK)throw new t.Exceptions.InvalidStateError(this.status);if(!n||typeof n!="string"&&typeof n!="number"||!n.toString().match(/^[0-9A-D#*,]+$/i))throw new TypeError("Invalid tones: "+n);n=n.toString();if(s&&!t.Utils.isDecimal(s))throw new TypeError("Invalid tone duration: "+s);s?s<i.C.MIN_DURATION?(this.logger.warn('"duration" value is lower than the minimum allowed, setting it to '+i.C.MIN_DURATION+" milliseconds"),s=i.C.MIN_DURATION):s>i.C.MAX_DURATION?(this.logger.warn('"duration" value is greater than the maximum allowed, setting it to '+i.C.MAX_DURATION+" milliseconds"),s=i.C.MAX_DURATION):s=Math.abs(s):s=i.C.DEFAULT_DURATION,r.duration=s;if(u&&!t.Utils.isDecimal(u))throw new TypeError("Invalid interToneGap: "+u);u?u<i.C.MIN_INTER_TONE_GAP?(this.logger.warn('"interToneGap" value is lower than the minimum allowed, setting it to '+i.C.MIN_INTER_TONE_GAP+" milliseconds"),u=i.C.MIN_INTER_TONE_GAP):u=Math.abs(u):u=i.C.DEFAULT_INTER_TONE_GAP;if(this.tones){this.tones+=n;return}this.tones=n;var l=function(){var t,n,c=f.tones;if(f.status===o.STATUS_TERMINATED||!c||a>=c.length){f.tones=null;return}t=c[a],a+=1;if(t===",")n=2e3;else{var h=new i(f);h.on("failed",function(){f.tones=null}),h.send(t,r),n=s+u}e.setTimeout(l,n)};l()},s.prototype.sendRequest=function(e,t){var r=new n(this);r.send(e,t)},s.prototype.getLocalStreams=function(){return this.rtcMediaHandler&&this.rtcMediaHandler.peerConnection&&this.rtcMediaHandler.peerConnection.getLocalStreams()||[]},s.prototype.getRemoteStreams=function(){return this.rtcMediaHandler&&this.rtcMediaHandler.peerConnection&&this.rtcMediaHandler.peerConnection.getRemoteStreams()||[]},s.prototype.init_incoming=function(n){var i,s=this,u=n.getHeader("Content-Type");if(!n.body||u!=="application/sdp"){n.reply(415);return}this.status=o.STATUS_INVITE_RECEIVED,this.from_tag=n.from_tag,this.id=n.call_id+this.from_tag,this.request=n,this.contact=this.ua.contact.toString(),this.logger=this.ua.getLogger("jssip.rtcsession",this.id),this.ua.sessions[this.id]=this,n.hasHeader("expires")&&(i=n.getHeader("expires")*1e3),n.to_tag=t.Utils.newTag();if(!this.createDialog(n,"UAS",!0)){n.reply(500,"Missing Contact header field");return}this.rtcMediaHandler=new r(this,{RTCConstraints:{optional:[{DtlsSrtpKeyAgreement:"true"}]}}),this.rtcMediaHandler.onMessage("offer",n.body,function(){n.reply(180,null,["Contact: "+s.contact]),s.status=o.STATUS_WAITING_FOR_ANSWER,s.timers.userNoAnswerTimer=e.setTimeout(function(){n.reply(408),s.failed("local",null,t.C.causes.NO_ANSWER)},s.ua.configuration.no_answer_timeout),i&&(s.timers.expiresTimer=e.setTimeout(function(){s.status===o.STATUS_WAITING_FOR_ANSWER&&(n.reply(487),s.failed("system",null,t.C.causes.EXPIRES))},i)),s.newRTCSession("remote",n)},function(e){s.logger.warn("invalid SDP"),s.logger.warn(e),n.reply(488)})},s.prototype.connect=function(e,n){n=n||{};var i,s,u,a=e,f=n.eventHandlers||{},l=n.extraHeaders&&n.extraHeaders.slice()||[],c=n.mediaConstraints||{audio:!0,video:!0},h=n.mediaStream||null,p=n.RTCConstraints||{},d=n.RTCOfferConstraints||{},v=n.stun_servers||null,m=n.turn_servers||null;if(v){u=t.UA.configuration_check.optional.stun_servers(v);if(!u)throw new TypeError("Invalid stun_servers: "+v);v=u}if(m){u=t.UA.configuration_check.optional.turn_servers(m);if(!u)throw new TypeError("Invalid turn_servers: "+m);m=u}if(e===undefined)throw new TypeError("Not enough arguments");if(!t.WebRTC.isSupported)throw new t.Exceptions.NotSupportedError("WebRTC not supported");e=this.ua.normalizeTarget(e);if(!e)throw new TypeError("Invalid target: "+a);if(this.status!==o.STATUS_NULL)throw new t.Exceptions.InvalidStateError(this.status);for(i in f)this.on(i,f[i]);this.from_tag=t.Utils.newTag(),this.anonymous=n.anonymous||!1,this.isCanceled=!1,this.received_100=!1,s={from_tag:this.from_tag},this.contact=this.ua.contact.toString({anonymous:this.anonymous,outbound:!0}),this.anonymous&&(s.from_display_name="Anonymous",s.from_uri="sip:anonymous@anonymous.invalid",l.push("P-Preferred-Identity: "+this.ua.configuration.uri.toString()),l.push("Privacy: id")),l.push("Contact: "+this.contact),l.push("Content-Type: application/sdp"),this.request=new t.OutgoingRequest(t.C.INVITE,e,this.ua,s,l),this.id=this.request.call_id+this.from_tag,this.logger=this.ua.getLogger("jssip.rtcsession",this.id),this.rtcMediaHandler=new r(this,{RTCConstraints:p,stun_servers:v,turn_servers:m}),this.ua.sessions[this.id]=this,this.newRTCSession("local",this.request),this.sendInitialRequest(c,d,h)},s.prototype.close=function(){var t;if(this.status===o.STATUS_TERMINATED)return;this.logger.log("closing INVITE session "+this.id),this.rtcMediaHandler&&this.rtcMediaHandler.close();for(t in this.timers)e.clearTimeout(this.timers[t]);this.dialog&&(this.dialog.terminate(),delete this.dialog);for(t in this.earlyDialogs)this.earlyDialogs[t].terminate(),delete this.earlyDialogs[t];this.status=o.STATUS_TERMINATED,delete this.ua.sessions[this.id]},s.prototype.createDialog=function(e,n,r){var i,s,o=n==="UAS"?e.to_tag:e.from_tag,u=n==="UAS"?e.from_tag:e.to_tag,a=e.call_id+o+u;return s=this.earlyDialogs[a],r?s?!0:(s=new t.Dialog(this,e,n,t.Dialog.C.STATUS_EARLY),s.error?(this.logger.error(i.error),this.failed("remote",e,t.C.causes.INTERNAL_ERROR),!1):(this.earlyDialogs[a]=s,!0)):s?(s.update(e,n),this.dialog=s,delete this.earlyDialogs[a],!0):(i=new t.Dialog(this,e,n),i.error?(this.logger.error(i.error),this.failed("remote",e,t.C.causes.INTERNAL_ERROR),!1):(this.to_tag=e.to_tag,this.dialog=i,!0))},s.prototype.receiveRequest=function(n){var r;if(n.method===t.C.CANCEL){if(this.status===o.STATUS_WAITING_FOR_ANSWER||this.status===o.STATUS_ANSWERED)this.status=o.STATUS_CANCELED,this.request.reply(487),this.failed("remote",n,t.C.causes.CANCELED)}else switch(n.method){case t.C.ACK:this.status===o.STATUS_WAITING_FOR_ACK&&(e.clearTimeout(this.timers.ackTimer),e.clearTimeout(this.timers.invite2xxTimer),this.status=o.STATUS_CONFIRMED);break;case t.C.BYE:this.status===o.STATUS_CONFIRMED&&(n.reply(200),this.ended("remote",n,t.C.causes.BYE));break;case t.C.INVITE:this.status===o.STATUS_CONFIRMED&&this.logger.log("re-INVITE received");break;case t.C.INFO:if(this.status===o.STATUS_CONFIRMED||
this.status===o.STATUS_WAITING_FOR_ACK)r=n.getHeader("content-type"),r&&r.match(/^application\/dtmf-relay/i)&&(new i(this)).init_incoming(n)}},s.prototype.sendInitialRequest=function(e,n,r){var i=this,s=new t.RequestSender(i,this.ua),u=function(e){i.rtcMediaHandler.addStream(e,f,l)},a=function(){if(i.status===o.STATUS_TERMINATED)return;i.failed("local",null,t.C.causes.USER_DENIED_MEDIA_ACCESS)},f=function(){i.connecting(i.request);if(i.status===o.STATUS_TERMINATED)return;i.rtcMediaHandler.createOffer(c,h,n)},l=function(){if(i.status===o.STATUS_TERMINATED)return;i.failed("system",null,t.C.causes.WEBRTC_ERROR)},c=function(e){if(i.isCanceled||i.status===o.STATUS_TERMINATED)return;i.request.body=e,i.status=o.STATUS_INVITE_SENT,s.send()},h=function(){if(i.status===o.STATUS_TERMINATED)return;i.failed("system",null,t.C.causes.WEBRTC_ERROR)};r?u(r):this.rtcMediaHandler.getUserMedia(u,a,e)},s.prototype.receiveResponse=function(e){var n,r,i=this;if(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){this.sendRequest(t.C.ACK);return}r=new t.Dialog(this,e,"UAC");if(r.error!==undefined){this.logger.error(r.error);return}r.sendRequest({owner:{status:o.STATUS_TERMINATED},onRequestTimeout:function(){},onTransportError:function(){},onDialogError:function(){},receiveResponse:function(){}},t.C.ACK),r.sendRequest({owner:{status:o.STATUS_TERMINATED},onRequestTimeout:function(){},onTransportError:function(){},onDialogError:function(){},receiveResponse:function(){}},t.C.BYE);return}if(this.status!==o.STATUS_INVITE_SENT&&this.status!==o.STATUS_1XX_RECEIVED)return;if(this.isCanceled){e.status_code>=100&&e.status_code<200?this.request.cancel(this.cancelReason):e.status_code>=200&&e.status_code<299&&this.acceptAndTerminate(e);return}switch(!0){case/^100$/.test(e.status_code):this.received_100=!0;break;case/^1[0-9]{2}$/.test(e.status_code):if(this.status!==o.STATUS_INVITE_SENT&&this.status!==o.STATUS_1XX_RECEIVED)break;if(!e.to_tag){this.logger.warn("1xx response received without to tag");break}if(e.hasHeader("contact")&&!this.createDialog(e,"UAC",!0))break;if(!e.body){i.status=o.STATUS_1XX_RECEIVED,i.progress("remote",e);break}this.rtcMediaHandler.onMessage("pranswer",e.body,function(){i.status=o.STATUS_1XX_RECEIVED,i.progress("remote",e)},function(t){i.logger.warn(t),this.earlyDialogs[e.call_id+e.from_tag+e.to_tag].terminate()});break;case/^2[0-9]{2}$/.test(e.status_code):if(!e.body){this.acceptAndTerminate(e,400,"Missing session description"),this.failed("remote",e,t.C.causes.BAD_MEDIA_DESCRIPTION);break}if(!this.createDialog(e,"UAC"))break;this.rtcMediaHandler.onMessage("answer",e.body,function(){i.status=o.STATUS_CONFIRMED,i.sendRequest(t.C.ACK),i.started("remote",e)},function(n){i.logger.warn(n),i.acceptAndTerminate(e,488,"Not Acceptable Here"),i.failed("remote",e,t.C.causes.BAD_MEDIA_DESCRIPTION)});break;default:n=t.Utils.sipErrorCause(e.status_code),this.failed("remote",e,n)}},s.prototype.acceptAndTerminate=function(e,n,r){var i=[];n&&(r=r||t.C.REASON_PHRASE[n]||"",i.push("Reason: SIP ;cause="+n+'; text="'+r+'"'));if(this.dialog||this.createDialog(e,"UAC"))this.sendRequest(t.C.ACK),this.sendRequest(t.C.BYE,{extraHeaders:i})},s.prototype.onTransportError=function(){this.status!==o.STATUS_TERMINATED&&(this.status===o.STATUS_CONFIRMED?this.ended("system",null,t.C.causes.CONNECTION_ERROR):this.failed("system",null,t.C.causes.CONNECTION_ERROR))},s.prototype.onRequestTimeout=function(){this.status!==o.STATUS_TERMINATED&&(this.status===o.STATUS_CONFIRMED?this.ended("system",null,t.C.causes.REQUEST_TIMEOUT):this.failed("system",null,t.C.causes.REQUEST_TIMEOUT))},s.prototype.onDialogError=function(e){this.status!==o.STATUS_TERMINATED&&(this.status===o.STATUS_CONFIRMED?this.ended("remote",e,t.C.causes.DIALOG_ERROR):this.failed("remote",e,t.C.causes.DIALOG_ERROR))},s.prototype.newRTCSession=function(e,t){var n=this,r="newRTCSession";e==="remote"?(n.direction="incoming",n.local_identity=t.to,n.remote_identity=t.from):e==="local"&&(n.direction="outgoing",n.local_identity=t.from,n.remote_identity=t.to),n.ua.emit(r,n.ua,{originator:e,session:n,request:t})},s.prototype.connecting=function(e){var t=this,n="connecting";t.emit(n,t,{request:e})},s.prototype.progress=function(e,t){var n=this,r="progress";n.emit(r,n,{originator:e,response:t||null})},s.prototype.started=function(e,t){var n=this,r="started";n.start_time=new Date,n.emit(r,n,{originator:e,response:t||null})},s.prototype.ended=function(e,t,n){var r=this,i="ended";r.end_time=new Date,r.close(),r.emit(i,r,{originator:e,message:t||null,cause:n})},s.prototype.failed=function(e,t,n){var r=this,i="failed";r.close(),r.emit(i,r,{originator:e,message:t||null,cause:n})},s.C=o,t.RTCSession=s}(t),function(e){var t;t=function(e){this.ua=e,this.logger=e.getLogger("jssip.message"),this.data={}},t.prototype=new e.EventEmitter,t.prototype.send=function(t,n,r){var i,s,o,u,a,f=["succeeded","failed"],l=t;if(t===undefined||n===undefined)throw new TypeError("Not enough arguments");t=this.ua.normalizeTarget(t);if(!t)throw new TypeError("Invalid target: "+l);this.initEvents(f),r=r||{},a=r.extraHeaders&&r.extraHeaders.slice()||[],u=r.eventHandlers||{},o=r.contentType||"text/plain";for(s in u)this.on(s,u[s]);this.closed=!1,this.ua.applicants[this]=this,a.push("Content-Type: "+o),this.request=new e.OutgoingRequest(e.C.MESSAGE,t,this.ua,null,a),n&&(this.request.body=n),i=new e.RequestSender(this,this.ua),this.newMessage("local",this.request),i.send()},t.prototype.receiveResponse=function(t){var n;if(this.closed)return;switch(!0){case/^1[0-9]{2}$/.test(t.status_code):break;case/^2[0-9]{2}$/.test(t.status_code):delete this.ua.applicants[this],this.emit("succeeded",this,{originator:"remote",response:t});break;default:delete this.ua.applicants[this],n=e.Utils.sipErrorCause(t.status_code),this.emit("failed",this,{originator:"remote",response:t,cause:n})}},t.prototype.onRequestTimeout=function(){if(this.closed)return;this.emit("failed",this,{originator:"system",cause:e.C.causes.REQUEST_TIMEOUT})},t.prototype.onTransportError=function(){if(this.closed)return;this.emit("failed",this,{originator:"system",cause:e.C.causes.CONNECTION_ERROR})},t.prototype.close=function(){this.closed=!0,delete this.ua.applicants[this]},t.prototype.init_incoming=function(t){var n;this.request=t,this.newMessage("remote",t),n=this.ua.transactions.nist[t.via_branch],n&&(n.state===e.Transactions.C.STATUS_TRYING||n.state===e.Transactions.C.STATUS_PROCEEDING)&&t.reply(200)},t.prototype.accept=function(t){t=t||{};var n=t.extraHeaders&&t.extraHeaders.slice()||[],r=t.body;if(this.direction!=="incoming")throw new e.Exceptions.NotSupportedError('"accept" not supported for outgoing Message');this.request.reply(200,null,n,r)},t.prototype.reject=function(t){t=t||{};var n=t.status_code||480,r=t.reason_phrase,i=t.extraHeaders&&t.extraHeaders.slice()||[],s=t.body;if(this.direction!=="incoming")throw new e.Exceptions.NotSupportedError('"reject" not supported for outgoing Message');if(n<300||n>=700)throw new TypeError("Invalid status_code: "+n);this.request.reply(n,r,i,s)},t.prototype.newMessage=function(e,t){var n=this,r="newMessage";e==="remote"?(n.direction="incoming",n.local_identity=t.to,n.remote_identity=t.from):e==="local"&&(n.direction="outgoing",n.local_identity=t.from,n.remote_identity=t.to),n.ua.emit(r,n.ua,{originator:e,message:n,request:t})},e.Message=t}(t),function(t){var n,r={STATUS_INIT:0,STATUS_READY:1,STATUS_USER_CLOSED:2,STATUS_NOT_READY:3,CONFIGURATION_ERROR:1,NETWORK_ERROR:2,EVENT_METHODS:{newRTCSession:"INVITE",newMessage:"MESSAGE"},ALLOWED_METHODS:["ACK","CANCEL","BYE","OPTIONS"],ACCEPTED_BODY_TYPES:["application/sdp","application/dtmf-relay"],MAX_FORWARDS:69,TAG_LENGTH:10};n=function(e){var n=["connecting","connected","disconnected","newTransaction","transactionDestroyed","registered","unregistered","registrationFailed","newRTCSession","newMessage"];r.ACCEPTED_BODY_TYPES=r.ACCEPTED_BODY_TYPES.toString(),this.log=new t.LoggerFactory,this.logger=this.getLogger("jssip.ua"),this.cache={credentials:{}},this.configuration={},this.dialogs={},this.applicants={},this.sessions={},this.transport=null,this.contact=null,this.status=r.STATUS_INIT,this.error=null,this.transactions={nist:{},nict:{},ist:{},ict:{}},this.transportRecoverAttempts=0,this.transportRecoveryTimer=null,Object.defineProperties(this,{transactionsCount:{get:function(){var e,t=["nist","nict","ist","ict"],n=0;for(e in t)n+=Object.keys(this.transactions[t[e]]).length;return n}},nictTransactionsCount:{get:function(){return Object.keys(this.transactions.nict).length}},nistTransactionsCount:{get:function(){return Object.keys(this.transactions.nist).length}},ictTransactionsCount:{get:function(){return Object.keys(this.transactions.ict).length}},istTransactionsCount:{get:function(){return Object.keys(this.transactions.ist).length}}});if(e===undefined)throw new TypeError("Not enough arguments");e.log&&(e.log.hasOwnProperty("builtinEnabled")&&(this.log.builtinEnabled=e.log.builtinEnabled),e.log.hasOwnProperty("level")&&(this.log.level=e.log.level),e.log.hasOwnProperty("connector")&&(this.log.connector=e.log.connector));try{this.loadConfig(e),this.initEvents(n)}catch(i){throw this.status=r.STATUS_NOT_READY,this.error=r.CONFIGURATION_ERROR,i}this.registrator=new t.Registrator(this)},n.prototype=new t.EventEmitter,n.prototype.register=function(e){this.configuration.register=!0,this.registrator.register(e)},n.prototype.unregister=function(e){this.configuration.register=!1,this.registrator.unregister(e)},n.prototype.isRegistered=function(){return this.registrator.registered?!0:!1},n.prototype.isConnected=function(){return this.transport?this.transport.connected:!1},n.prototype.call=function(e,n){var r;r=new t.RTCSession(this),r.connect(e,n)},n.prototype.sendMessage=function(e,n,r){var i;i=new t.Message(this),i.send(e,n,r)},n.prototype.stop=function(){function s(){i.nistTransactionsCount===0&&i.nictTransactionsCount===0&&(i.removeListener("transactionDestroyed",s),i.transport.disconnect())}var t,n,i=this;this.logger.log("user requested closure...");if(this.status===r.STATUS_USER_CLOSED){this.logger.warn("UA already closed");return}e.clearTimeout(this.transportRecoveryTimer),this.logger.log("closing registrator"),this.registrator.close();for(t in this.sessions)this.logger.log("closing session "+t),this.sessions[t].terminate();for(n in this.applicants)this.applicants[n].close();this.status=r.STATUS_USER_CLOSED,this.nistTransactionsCount===0&&this.nictTransactionsCount===0?this.transport.disconnect():this.on("transactionDestroyed",s)},n.prototype.start=function(){var e;this.logger.log("user requested startup..."),this.status===r.STATUS_INIT?(e=this.getNextWsServer(),new t.Transport(this,e)):this.status===r.STATUS_USER_CLOSED?(this.logger.log("resuming"),this.status=r.STATUS_READY,this.transport.connect()):this.status===r.STATUS_READY?this.logger.log("UA is in READY status, not resuming"):this.logger.error("Connection is down. Auto-Recovery system is trying to connect")},n.prototype.normalizeTarget=function(e){return t.Utils.normalizeTarget(e,this.configuration.hostport_params)},n.prototype.saveCredentials=function(e){this.cache.credentials[e.realm]=this.cache.credentials[e.realm]||{},this.cache.credentials[e.realm][e.uri]=e},n.prototype.getCredentials=function(e){var t,n;return t=e.ruri.host,this.cache.credentials[t]&&this.cache.credentials[t][e.ruri]&&(n=this.cache.credentials[t][e.ruri],n.method=e.method),n},n.prototype.getLogger=function(e,t){return this.log.getLogger(e,t)},n.prototype.onTransportClosed=function(e){var n,r,i,s=["nict","ict","nist","ist"];e.server.status=t.Transport.C.STATUS_DISCONNECTED,this.logger.log("connection state set to "+t.Transport.C.STATUS_DISCONNECTED),i=s.length;for(n=0;n<i;n++)for(r in this.transactions[s[n]])this.transactions[s[n]][r].onTransportError();this.contact.pub_gruu||this.closeSessionsOnTransportError()},n.prototype.onTransportError=function(e){var n;this.logger.log("transport "+e.server.ws_uri+" failed | connection state set to "+t.Transport.C.STATUS_ERROR),e.server.status=t.Transport.C.STATUS_ERROR,this.emit("disconnected",this,{transport:e,code:e.lastTransportError.code,reason:e.lastTransportError.reason}),n=this.getNextWsServer();if(n)new t.Transport(this,n);else{this.closeSessionsOnTransportError();if(!this.error||this.error!==r.NETWORK_ERROR)this.status=r.STATUS_NOT_READY,this.error=r.NETWORK_ERROR;this.recoverTransport()}},n.prototype.onTransportConnected=function(e){this.transport=e,this.transportRecoverAttempts=0,e.server.status=t.Transport.C.STATUS_READY,this.logger.log("connection state set to "+t.Transport.C.STATUS_READY);if(this.status===r.STATUS_USER_CLOSED)return;this.status=r.STATUS_READY,this.error=null,this.configuration.register&&this.registrator.onTransportConnected(),this.emit("connected",this,{transport:e})},n.prototype.onTransportConnecting=function(e,t){this.emit("connecting",this,{transport:e,attempts:t})},n.prototype.newTransaction=function(e){this.transactions[e.type][e.id]=e,this.emit("newTransaction",this,{transaction:e})},n.prototype.destroyTransaction=function(e){delete this.transactions[e.type][e.id],this.emit("transactionDestroyed",this,{transaction:e})},n.prototype.receiveRequest=function(e){var n,r,i,s=e.method;if(e.ruri.user!==this.configuration.uri.user&&e.ruri.user!==this.contact.uri.user){this.logger.warn("Request-URI does not point to us"),e.method!==t.C.ACK&&e.reply_sl(404);return}if(e.ruri.scheme===t.C.SIPS){e.reply_sl(416);return}if(t.Transactions.checkTransaction(this,e))return;s===t.C.INVITE?new t.Transactions.InviteServerTransaction(e,this):s!==t.C.ACK&&new t.Transactions.NonInviteServerTransaction(e,this);if(s===t.C.OPTIONS)e.reply(200);else if(s===t.C.MESSAGE){if(!this.checkEvent("newMessage")||this.listeners("newMessage").length===0){e.reply(405);return}i=new t.Message(this),i.init_incoming(e)}else if(s===t.C.INVITE)if(!this.checkEvent("newRTCSession")||this.listeners("newRTCSession").length===0){e.reply(405);return}if(!e.to_tag)switch(s){case t.C.INVITE:t.WebRTC.isSupported?(r=new t.RTCSession(this),r.init_incoming(e)):(this.logger.warn("INVITE received but WebRTC is not supported"),e.reply(488));break;case t.C.BYE:e.reply(481);break;case t.C.CANCEL:r=this.findSession(e),r?r.receiveRequest(e):this.logger.warn("received CANCEL request for a non existent session");break;case t.C.ACK:break;default:e.reply(405)}else n=this.findDialog(e),n?n.receiveRequest(e):s===t.C.NOTIFY?(r=this.findSession(e),r?r.receiveRequest(e):(this.logger.warn("received NOTIFY request for a non existent session"),e.reply(481,"Subscription does not exist"))):s!==t.C.ACK&&e.reply(481)},n.prototype.findSession=function(e){var t=e.call_id+e.from_tag,n=this.sessions[t],r=e.call_id+e.to_tag,i=this.sessions[r];return n?n:i?i:null},n.prototype.findDialog=function(e){var t=e.call_id+e.from_tag+e.to_tag,n=this.dialogs[t];return n?n:(t=e.call_id+e.to_tag+e.from_tag,n=this.dialogs[t],n?n:null)},n.prototype.getNextWsServer=function(){var e,n,r,i=[];n=this.configuration.ws_servers.length;for(e=0;e<n;e++){r=this.configuration.ws_servers[e];if(r.status===t.Transport.C.STATUS_ERROR)continue;i.length===0?i.push(r):r.weight>i[0].weight?i=[r]:r.weight===i[0].weight&&i.push(r)}return e=Math.floor(Math.random()*i.length),i[e]},n.prototype.closeSessionsOnTransportError=function(){var e;for(e in this.sessions)this.sessions[e].onTransportError();this.registrator.onTransportClosed()},n.prototype.recoverTransport=function(n){var r,i,s,o,u,a;n=n||this,u=n.transportRecoverAttempts,i=n.configuration.ws_servers.length;for(r=0;r<i;r++)n.configuration.ws_servers[r].status=0;a=n.getNextWsServer(),s=Math.floor(Math.random()*Math.pow(2,u)+1),o=s*n.configuration.connection_recovery_min_interval,o>n.configuration.connection_recovery_max_interval&&(this.logger.log("time for next connection attempt exceeds connection_recovery_max_interval, resetting counter"),o=n.configuration.connection_recovery_min_interval,u=0),this.logger.log("next connection attempt in "+o+" seconds"),this.transportRecoveryTimer=e.setTimeout(function(){n.transportRecoverAttempts=u+1,new t.Transport(n,a)},o*1e3)},n.prototype.loadConfig=function(r){var i,s,o,u,a,f={via_host:t.Utils.createRandomToken(12)+".invalid",password:null,register_expires:600,register:!0,registrar_server:null,ws_server_max_reconnection:3,ws_server_reconnection_timeout:4,connection_recovery_min_interval:2,connection_recovery_max_interval:30,use_preloaded_route:!1,no_answer_timeout:60,stun_servers:["stun:stun.l.google.com:19302"],turn_servers:[],trace_sip:!1,hack_via_tcp:!1,hack_ip_in_contact:!1};for(i in n.configuration_check.mandatory){if(!r.hasOwnProperty(i))throw new t.Exceptions.ConfigurationError(i);s=r[i],o=n.configuration_check.mandatory[i](s);if(o===undefined)throw new t.Exceptions.ConfigurationError(i,s);f[i]=o}for(i in n.configuration_check.optional)if(r.hasOwnProperty(i)){s=r[i];if(t.Utils.isEmpty(s))continue;o=n.configuration_check.optional[i](s);if(o===undefined)throw new t.Exceptions.ConfigurationError(i,s);f[i]=o}if(f.connection_recovery_max_interval<f.connection_recovery_min_interval)throw new t.Exceptions.ConfigurationError("connection_recovery_max_interval",f.connection_recovery_max_interval);f.display_name===0&&(f.display_name="0"),f.instance_id||(f.instance_id=t.Utils.newUUID()),f.jssip_id=t.Utils.createRandomToken(5),u=f.uri.clone(),u.user=null,f.hostport_params=u.toString().replace(/^sip:/i,""),f.authorization_user||(f.authorization_user=f.uri.user),f.registrar_server||(a=f.uri.clone(),a.user=null,f.registrar_server=a),f.no_answer_timeout=f.no_answer_timeout*1e3,f.hack_ip_in_contact&&(f.via_host=t.Utils.getRandomTestNetIP()),s=r.stun_servers,s instanceof Array&&s.length===0&&(f.stun_servers=[]),this.contact={pub_gruu:null,temp_gruu:null,uri:new t.URI("sip",t.Utils.createRandomToken(8),f.via_host,null,{transport:"ws"}),toString:function(e){e=e||{};var t=e.anonymous||null,n=e.outbound||null,r="<";return t?r+=this.temp_gruu||"sip:anonymous@anonymous.invalid;transport=ws":r+=this.pub_gruu||this.uri.toString(),n&&(t?!this.temp_gruu:!this.pub_gruu)&&(r+=";ob"),r+=">",r}};for(i in f)n.configuration_skeleton[i].value=f[i];Object.defineProperties(this.configuration,n.configuration_skeleton);for(i in f)n.configuration_skeleton[i].value="";this.logger.log("configuration parameters after validation:");for(i in f)switch(i){case"uri":case"registrar_server":this.logger.log("· "+i+": "+f[i]);break;case"password":this.logger.log("· "+i+": "+"NOT SHOWN");break;default:this.logger.log("· "+i+": "+e.JSON.stringify(f[i]))}return},n.configuration_skeleton=function(){var e,t,n={},r=["jssip_id","ws_server_max_reconnection","ws_server_reconnection_timeout","hostport_params","uri","ws_servers","authorization_user","connection_recovery_max_interval","connection_recovery_min_interval","display_name","hack_via_tcp","hack_ip_in_contact","instance_id","no_answer_timeout","password","register_expires","registrar_server","stun_servers","trace_sip","turn_servers","use_preloaded_route","via_core_value","via_host"];for(e in r)t=r[e],n[t]={value:"",writable:!1,configurable:!1};return n.register={value:"",writable:!0,configurable:!1},n}(),n.configuration_check={mandatory:{uri:function(e){var n;/^sip:/i.test(e)||(e=t.C.SIP+":"+e),n=t.URI.parse(e);if(!n)return;if(!n.user)return;return n},ws_servers:function(e){var n,r,i;if(typeof e=="string")e=[{ws_uri:e}];else{if(!(e instanceof Array))return;r=e.length;for(n=0;n<r;n++)typeof e[n]=="string"&&(e[n]={ws_uri:e[n]})}if(e.length===0)return!1;r=e.length;for(n=0;n<r;n++){if(!e[n].ws_uri){this.logger.error('missing "ws_uri" attribute in ws_servers parameter');return}if(e[n].weight&&!Number(e[n].weight)){this.logger.error('"weight" attribute in ws_servers parameter must be a Number');return}i=t.Grammar.parse(e[n].ws_uri,"absoluteURI");if(i===-1){this.logger.error('invalid "ws_uri" attribute in ws_servers parameter: '+e[n].ws_uri);return}if(i.scheme!=="wss"&&i.scheme!=="ws"){this.logger.error("invalid URI scheme in ws_servers parameter: "+i.scheme);return}e[n].sip_uri="<sip:"+i.host+(i.port?":"+i.port:"")+";transport=ws;lr>",e[n].weight||(e[n].weight=0),e[n].status=0,e[n].scheme=i.scheme.toUpperCase()}return e}},optional:{authorization_user:function(e){if(t.Grammar.parse('"'+e+'"',"quoted_string")===-1)return;return e},connection_recovery_max_interval:function(n){var r;if(t.Utils.isDecimal(n)){r=e.Number(n);if(r>0)return r}},connection_recovery_min_interval:function(n){var r;if(t.Utils.isDecimal(n)){r=e.Number(n);if(r>0)return r}},display_name:function(e){if(t.Grammar.parse('"'+e+'"',"display_name")===-1)return;return e},hack_via_tcp:function(e){if(typeof e=="boolean")return e},hack_ip_in_contact:function(e){if(typeof e=="boolean")return e},instance_id:function(e){/^uuid:/i.test(e)&&(e=e.substr(5));if(t.Grammar.parse(e,"uuid")===-1)return;return e},no_answer_timeout:function(n){var r;if(t.Utils.isDecimal(n)){r=e.Number(n);if(r>0)return r}},password:function(e){return String(e)},register:function(e){if(typeof e=="boolean")return e},register_expires:function(n){var r;if(t.Utils.isDecimal(n)){r=e.Number(n);if(r>0)return r}},registrar_server:function(e){var n;/^sip:/i.test(e)||(e=t.C.SIP+":"+e),n=t.URI.parse(e);if(!n)return;if(n.user)return;return n},stun_servers:function(e){var n,r,i;if(typeof e=="string")e=[e];else if(!(e instanceof Array))return;r=e.length;for(n=0;n<r;n++){i=e[n],/^stuns?:/.test(i)||(i="stun:"+i);if(t.Grammar.parse(i,"stun_URI")===-1)return;e[n]=i}return e},trace_sip:function(e){if(typeof e=="boolean")return e},turn_servers:function(e){var n,r,i,s,o,u;e instanceof Array||(e=[e]),i=e.length;for(n=0;n<i;n++){o=e[n],o.server&&(o.urls=[o.server]),o.password&&(o.credential=[o.password]);if(!o.urls||!o.username||!o.credential)return;o.urls instanceof Array||(o.urls=[o.urls]),s=o.urls.length;for(r=0;r<s;r++){u=o.urls[r],/^turns?:/.test(u)||(u="turn:"+u);if(t.Grammar.parse(u,"turn_URI")===-1)return}}return e},use_preloaded_route:function(e){if(typeof e=="boolean")return e}}},n.C=r,t.UA=n}(t),function(t){var n;n={str_utf8_length:function(t){return e.unescape(encodeURIComponent(t)).length},isFunction:function(e){return e!==undefined?Object.prototype.toString.call(e)==="[object Function]"?!0:!1:!1},isDecimal:function(e){return!isNaN(e)&&parseFloat(e)===parseInt(e,10)},isEmpty:function(t){if(t===null||t===""||t===undefined||t instanceof Array&&t.length===0||typeof t=="number"&&e.isNaN(t))return!0},createRandomToken:function(e,t){var n,r,i="";t=t||32;for(n=0;n<e;n++)r=Math.random()*t|0,i+=r.toString(t);return i},newTag:function(){return t.Utils.createRandomToken(t.UA.C.TAG_LENGTH)},newUUID:function(){var e="xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".replace(/[xy]/g,function(e){var t=Math.random()*16|0,n=e==="x"?t:t&3|8;return n.toString(16)});return e},hostType:function(e){if(!e)return;e=t.Grammar.parse(e,"host");if(e!==-1)return e.host_type},normalizeTarget:function(e,n){var r,i,s,o;if(!e)return;if(e instanceof t.URI)return e;if(typeof e=="string"){i=e.split("@");switch(i.length){case 1:if(!n)return;s=e,o=n;break;case 2:s=i[0],o=i[1];break;default:s=i.slice(0,i.length-1).join("@"),o=i[i.length-1]}s=s.replace(/^(sips?|tel):/i,""),/^[\-\.\(\)]*\+?[0-9\-\.\(\)]+$/.test(s)&&(s=s.replace(/[\-\.\(\)]/g,"")),e=t.C.SIP+":"+t.Utils.escapeUser(s)+"@"+o;if(r=t.URI.parse(e))return r;return}return},escapeUser:function(t){return e.encodeURIComponent(e.decodeURIComponent(t)).replace(/%3A/ig,":").replace(/%2B/ig,"+").replace(/%3F/ig,"?").replace(/%2F/ig,"/")},headerize:function(e){var t={"Call-Id":"Call-ID",Cseq:"CSeq","Www-Authenticate":"WWW-Authenticate"},n=e.toLowerCase().replace(/_/g,"-").split("-"),r="",i=n.length,s;for(s=0;s<i;s++)s!==0&&(r+="-"),r+=n[s].charAt(0).toUpperCase()+n[s].substring(1);return t[r]&&(r=t[r]),r},sipErrorCause:function(e){var n;for(n in t.C.SIP_ERROR_CAUSES)if(t.C.SIP_ERROR_CAUSES[n].indexOf(e)!==-1)return t.C.causes[n];return t.C.causes.SIP_FAILURE_CODE},getRandomTestNetIP:function(){function t(t,n){return e.Math.floor(e.Math.random()*(n-t+1)+t)}return"192.0.2."+t(1,254)},getAllowedMethods:function(e){var n,r=t.UA.C.ALLOWED_METHODS.toString();for(n in t.UA.C.EVENT_METHODS)e.checkEvent(n)&&e.listeners(n).length>0&&(r+=","+t.UA.C.EVENT_METHODS[n]);return r},calculateMD5:function(e){function t(e,t){return e<<t|e>>>32-t}function n(e,t){var n,r,i,s,o;return 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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(r&63|128)):(t+=String.fromCharCode(r>>12|224),t+=String.fromCharCode(r>>6&63|128),t+=String.fromCharCode(r&63|128))}return t}var d=[],v,m,g,y,b,w,E,S,x,T=7,N=12,C=17,k=22,L=5,A=9,O=14,M=20,_=4,D=11,P=16,H=23,B=6,j=10,F=15,I=21;e=p(e),d=c(e),w=1732584193,E=4023233417,S=2562383102,x=271733878;for(v=0;v<d.length;v+=16)m=w,g=E,y=S,b=x,w=u(w,E,S,x,d[v+0],T,3614090360),x=u(x,w,E,S,d[v+1],N,3905402710),S=u(S,x,w,E,d[v+2],C,606105819),E=u(E,S,x,w,d[v+3],k,3250441966),w=u(w,E,S,x,d[v+4],T,4118548399),x=u(x,w,E,S,d[v+5],N,1200080426),S=u(S,x,w,E,d[v+6],C,2821735955),E=u(E,S,x,w,d[v+7],k,4249261313),w=u(w,E,S,x,d[v+8],T,1770035416),x=u(x,w,E,S,d[v+9],N,2336552879),S=u(S,x,w,E,d[v+10],C,4294925233),E=u(E,S,x,w,d[v+11],k,2304563134),w=u(w,E,S,x,d[v+12],T,1804603682),x=u(x,w,E,S,d[v+13],N,4254626195),S=u(S,x,w,E,d[v+14],C,2792965006),E=u(E,S,x,w,d[v+15],k,1236535329),w=a(w,E,S,x,d[v+1],L,4129170786),x=a(x,w,E,S,d[v+6],A,3225465664),S=a(S,x,w,E,d[v+11],O,643717713),E=a(E,S,x,w,d[v+0],M,3921069994),w=a(w,E,S,x,d[v+5],L,3593408605),x=a(x,w,E,S,d[v+10],A,38016083),S=a(S,x,w,E,d[v+15],O,3634488961),E=a(E,S,x,w,d[v+4],M,3889429448),w=a(w,E,S,x,d[v+9],L,568446438),x=a(x,w,E,S,d[v+14],A,3275163606),S=a(S,x,w,E,d[v+3],O,4107603335),E=a(E,S,x,w,d[v+8],M,1163531501),w=a(w,E,S,x,d[v+13],L,2850285829),x=a(x,w,E,S,d[v+2],A,4243563512),S=a(S,x,w,E,d[v+7],O,1735328473),E=a(E,S,x,w,d[v+12],M,2368359562),w=f(w,E,S,x,d[v+5],_,4294588738),x=f(x,w,E,S,d[v+8],D,2272392833),S=f(S,x,w,E,d[v+11],P,1839030562),E=f(E,S,x,w,d[v+14],H,4259657740),w=f(w,E,S,x,d[v+1],_,2763975236),x=f(x,w,E,S,d[v+4],D,1272893353),S=f(S,x,w,E,d[v+7],P,4139469664),E=f(E,S,x,w,d[v+10],H,3200236656),w=f(w,E,S,x,d[v+13],_,681279174),x=f(x,w,E,S,d[v+0],D,3936430074),S=f(S,x,w,E,d[v+3],P,3572445317),E=f(E,S,x,w,d[v+6],H,76029189),w=f(w,E,S,x,d[v+9],_,3654602809),x=f(x,w,E,S,d[v+12],D,3873151461),S=f(S,x,w,E,d[v+15],P,530742520),E=f(E,S,x,w,d[v+2],H,3299628645),w=l(w,E,S,x,d[v+0],B,4096336452),x=l(x,w,E,S,d[v+7],j,1126891415),S=l(S,x,w,E,d[v+14],F,2878612391),E=l(E,S,x,w,d[v+5],I,4237533241),w=l(w,E,S,x,d[v+12],B,1700485571),x=l(x,w,E,S,d[v+3],j,2399980690),S=l(S,x,w,E,d[v+10],F,4293915773),E=l(E,S,x,w,d[v+1],I,2240044497),w=l(w,E,S,x,d[v+8],B,1873313359),x=l(x,w,E,S,d[v+15],j,4264355552),S=l(S,x,w,E,d[v+6],F,2734768916),E=l(E,S,x,w,d[v+13],I,1309151649),w=l(w,E,S,x,d[v+4],B,4149444226),x=l(x,w,E,S,d[v+11],j,3174756917),S=l(S,x,w,E,d[v+2],F,718787259),E=l(E,S,x,w,d[v+9],I,3951481745),w=n(w,m),E=n(E,g),S=n(S,y),x=n(x,b);var q=h(w)+h(E)+h(S)+h(x);return q.toLowerCase()}},t.Utils=n}(t),function(e){function f(){if(r.s("to").uri.scheme!=="sip")return g(416),!1}function l(){if(!r.to_tag&&r.call_id.substr(0,5)===i.configuration.jssip_id)return g(482),!1}function c(){var t=e.Utils.str_utf8_length(r.body),n=r.getHeader("content-length");if(t<n)return g(400),!1}function h(){var t,n,s=r.from_tag,o=r.call_id,u=r.cseq;if(!r.to_tag)if(r.method===e.C.INVITE){t=i.transactions.ist[r.via_branch];if(!t)return;for(n in i.transactions.ist){t=i.transactions.ist[n];if(t.request.from_tag===s&&t.request.call_id===o&&t.request.cseq===u)return g(482),!1}}else{t=i.transactions.nist[r.via_branch];if(!t)return;for(n in i.transactions.nist){t=i.transactions.nist[n];if(t.request.from_tag===s&&t.request.call_id===o&&t.request.cseq===u)return g(482),!1}}}function p(){if(r.getHeaders("via").length>1)return n.warn("More than one Via header field present in the response. Dropping the response"),!1}function d(){var e=i.configuration.via_host;if(r.via.host!==e)return n.warn("Via host in the response does not match UA Via host value. Dropping the response"),!1}function v(){var t=e.Utils.str_utf8_length(r.body),i=r.getHeader("content-length");if(t<i)return n.warn("Message body length is lower than the value in Content-Length header field. Dropping the response"),!1}function m(){var e=["from","to","call_id","cseq","via"],t=e.length;while(t--)if(!r.hasHeader(e[t]))return n.warn("Missing mandatory header field : "+e[t]+". Dropping the response"),!1}function g(t){var n,i="SIP/2.0 "+t+" "+e.C.REASON_PHRASE[t]+"\r\n",o=r.getHeaders("via"),u=o.length,a=0;for(a;a<u;a++)i+="Via: "+o[a]+"\r\n";n=r.getHeader("To"),r.to_tag||(n+=";tag="+e.Utils.newTag()),i+="To: "+n+"\r\n",i+="From: "+r.getHeader("From")+"\r\n",i+="Call-ID: "+r.call_id+"\r\n",i+="CSeq: "+r.cseq+" "+r.method+"\r\n",i+="\r\n",s.send(i)}var t,n,r,i,s,o=[],u=[],a=[];o.push(f),o.push(l),o.push(c),o.push(h),u.push(p),u.push(d),u.push(v),a.push(m),t=function(t,f,l){var c,h;r=t,i=f,s=l,n=i.getLogger("jssip.sanitycheck"),c=a.length;while(c--){h=a[c](r);if(h===!1)return!1}if(r instanceof e.IncomingRequest){c=o.length;while(c--){h=o[c](r);if(h===!1)return!1}}else if(r instanceof e.IncomingResponse){c=u.length;while(c--){h=u[c](r);if(h===!1)return!1}}return!0},e.sanityCheck=t}(t),function(e){var t;t=function(e){this.logger=e.getLogger("jssip.digestauthentication"),this.username=e.configuration.authorization_user,this.password=e.configuration.password,this.cnonce=null,this.nc=0,this.ncHex="00000000",this.response=null},t.prototype.authenticate=function(t,n){this.algorithm=n.algorithm,this.realm=n.realm,this.nonce=n.nonce,this.opaque=n.opaque,this.stale=n.stale;if(this.algorithm){if(this.algorithm!=="MD5")return this.logger.warn('challenge with Digest algorithm different than "MD5", authentication aborted'),!1}else this.algorithm="MD5";if(!this.realm)return this.logger.warn("challenge without Digest realm, authentication aborted"),!1;if(!this.nonce)return this.logger.warn("challenge without Digest nonce, authentication aborted"),!1;if(n.qop)if(n.qop.indexOf("auth")>-1)this.qop="auth";else{if(!(n.qop.indexOf("auth-int")>-1))return this.logger.warn('challenge without Digest qop different than "auth" or "auth-int", authentication aborted'),!1;this.qop="auth-int"}else this.qop=null;return this.method=t.method,this.uri=t.ruri,this.cnonce=e.Utils.createRandomToken(12),this.nc+=1,this.updateNcHex(),this.nc===4294967296&&(this.nc=1,this.ncHex="00000001"),this.calculateResponse(),!0},t.prototype.calculateResponse=function(){var t,n;t=e.Utils.calculateMD5(this.username+":"+this.realm+":"+this.password),this.qop==="auth"?(n=e.Utils.calculateMD5(this.method+":"+this.uri),this.response=e.Utils.calculateMD5(t+":"+this.nonce+":"+this.ncHex+":"+this.cnonce+":auth:"+n)):this.qop==="auth-int"?(n=e.Utils.calculateMD5(this.method+":"+this.uri+":"+e.Utils.calculateMD5(this.body?this.body:"")),this.response=e.Utils.calculateMD5(t+":"+this.nonce+":"+this.ncHex+":"+this.cnonce+":auth-int:"+n)):this.qop===null&&(n=e.Utils.calculateMD5(this.method+":"+this.uri),this.response=e.Utils.calculateMD5(t+":"+this.nonce+":"+n))},t.prototype.toString=function(){var e=[];if(!this.response)throw new Error("response field does not exist, cannot generate Authorization header");return e.push("algorithm="+this.algorithm),e.push('username="'+this.username+'"'),e.push('realm="'+this.realm+'"'),e.push('nonce="'+this.nonce+'"'),e.push('uri="'+this.uri+'"'),e.push('response="'+this.response+'"'),this.opaque&&e.push('opaque="'+this.opaque+'"'),this.qop&&(e.push("qop="+this.qop),e.push('cnonce="'+this.cnonce+'"'),e.push("nc="+this.ncHex)),"Digest "+e.join(", ")},t.prototype
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(d=null,b=n)):(d=null,b=n);for(;null!==d;)c.push(d),n=b,d=y(),null!==d?(e=$a(),null!==e?d=[d,e]:(d=null,b=n)):(d=null,b=n);null!==c?a=[a,c]:(a=null,b=f)}else a=null,b=f;if(null!==a){a=l.tag;try{l=new JsSIP.NameAddrHeader(l.uri,l.display_name,l.params),a&&l.setParam("tag",a)}catch(r){l=-1}a=void 0}null===a&&(b=g);return a},from_param:$a,tag_param:ab,Max_Forwards:function(){var a,c,d;d=b;c=t();if(null!==c)for(a=[];null!==c;)a.push(c),c=t();else a=null;null!==a&&(l=parseInt(a.join("")),a=void 0);null===
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q;else a=null,b=q;else a=null,b=q;else a=null,b=q;if(null!==a){try{l=new JsSIP.NameAddrHeader(l.uri,l.display_name,l.params)}catch(t){l=-1}a=void 0}null===a&&(b=r);return a},Proxy_Authenticate:function(){return bb()},challenge:bb,other_challenge:sc,auth_param:fa,digest_cln:wa,realm:tc,realm_value:Ac,domain:uc,URI:xa,nonce:vc,nonce_value:Bc,opaque:wc,stale:xc,algorithm:yc,qop_options:zc,qop_value:ya,Proxy_Require:function(){var a,c,d,e,g,f;g=b;a=u();if(null!==a){c=[];f=b;d=x();null!==d?(e=u(),null!==
e?d=[d,e]:(d=null,b=f)):(d=null,b=f);for(;null!==d;)c.push(d),f=b,d=x(),null!==d?(e=u(),null!==e?d=[d,e]:(d=null,b=f)):(d=null,b=f);null!==c?a=[a,c]:(a=null,b=g)}else a=null,b=g;return a},Record_Route:function(){var a,c,d,e,g,f,n;f=g=b;a=za();if(null!==a){c=[];n=b;d=x();null!==d?(e=za(),null!==e?d=[d,e]:(d=null,b=n)):(d=null,b=n);for(;null!==d;)c.push(d),n=b,d=x(),null!==d?(e=za(),null!==e?d=[d,e]:(d=null,b=n)):(d=null,b=n);null!==c?a=[a,c]:(a=null,b=f)}else a=null,b=f;if(null!==a){c=l.multi_header.length;
for(a=0;a<c;a++)if(null===l.multi_header[a].parsed){l=null;break}l=null!==l?l.multi_header:-1;a=void 0}null===a&&(b=g);return a},rec_route:za,Require:function(){var a,c,d,e,g,f;g=b;a=u();if(null!==a){c=[];f=b;d=x();null!==d?(e=u(),null!==e?d=[d,e]:(d=null,b=f)):(d=null,b=f);for(;null!==d;)c.push(d),f=b,d=x(),null!==d?(e=u(),null!==e?d=[d,e]:(d=null,b=f)):(d=null,b=f);null!==c?a=[a,c]:(a=null,b=g)}else a=null,b=g;return a},Route:function(){var a,c,d,e,g,f;g=b;a=Aa();if(null!==a){c=[];f=b;d=x();null!==
d?(e=Aa(),null!==e?d=[d,e]:(d=null,b=f)):(d=null,b=f);for(;null!==d;)c.push(d),f=b,d=x(),null!==d?(e=Aa(),null!==e?d=[d,e]:(d=null,b=f)):(d=null,b=f);null!==c?a=[a,c]:(a=null,b=g)}else a=null,b=g;return a},route_param:Aa,Subscription_State:function(){var a,c,d,e,g,f;g=b;a=Cc();if(null!==a){c=[];f=b;d=y();null!==d?(e=cb(),null!==e?d=[d,e]:(d=null,b=f)):(d=null,b=f);for(;null!==d;)c.push(d),f=b,d=y(),null!==d?(e=cb(),null!==e?d=[d,e]:(d=null,b=f)):(d=null,b=f);null!==c?a=[a,c]:(a=null,b=g)}else a=null,
b=g;return a},substate_value:Cc,subexp_params:cb,event_reason_value:Dc,Subject:function(){var a;a=mb();return null!==a?a:""},Supported:function(){var a,c,d,e,g,f;g=b;a=u();if(null!==a){c=[];f=b;d=x();null!==d?(e=u(),null!==e?d=[d,e]:(d=null,b=f)):(d=null,b=f);for(;null!==d;)c.push(d),f=b,d=x(),null!==d?(e=u(),null!==e?d=[d,e]:(d=null,b=f)):(d=null,b=f);null!==c?a=[a,c]:(a=null,b=g)}else a=null,b=g;return null!==a?a:""},To:function(){var a,c,d,e,g,f,n;f=g=b;a=ka();null===a&&(a=Q());if(null!==a){c=
[];n=b;d=y();null!==d?(e=db(),null!==e?d=[d,e]:(d=null,b=n)):(d=null,b=n);for(;null!==d;)c.push(d),n=b,d=y(),null!==d?(e=db(),null!==e?d=[d,e]:(d=null,b=n)):(d=null,b=n);null!==c?a=[a,c]:(a=null,b=f)}else a=null,b=f;if(null!==a){a=l.tag;try{l=new JsSIP.NameAddrHeader(l.uri,l.display_name,l.params),a&&l.setParam("tag",a)}catch(r){l=-1}a=void 0}null===a&&(b=g);return a},to_param:db,Via:function(){var a,c,d,e,g,f;g=b;a=Ba();if(null!==a){c=[];f=b;d=x();null!==d?(e=Ba(),null!==e?d=[d,e]:(d=null,b=f)):
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(c=":",b++):(c=null,0===g&&f('":"')),null!==c?(d=fb(),null!==d?(n=b,"?transport="===e.substr(b,11)?(h="?transport=",b+=11):(h=null,0===g&&f('"?transport="')),null!==h?(k=Ca(),null!==k?h=[h,k]:(h=null,b=n)):(h=null,b=n),h=null!==h?h:"",null!==h?a=[a,c,d,h]:(a=null,b=l)):(a=null,b=l)):(a=null,b=l)):(a=null,b=l);return a},turn_scheme:Rc,turn_transport:function(){var a,c,d,h,k;k=h=b;a=Ca();if(null!==a){"udp"===e.substr(b,3).toLowerCase()?(c=e.substr(b,3),b+=3):(c=null,0===g&&f('"udp"'));if(null===c&&
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jb(F)+".");}else F="CRLF";var b=0,g=0,S=0,Da=[],l={};if(null===Vc[F]()||b!==e.length){var ib=Math.max(b,S),Zc=ib<e.length?e.charAt(ib):null,Wc=Yc();new this.SyntaxError(Xc(Da),Zc,ib,Wc.line,Wc.column);return-1}return l},toSource:function(){return this._source},SyntaxError:function(e,F,f,N,t){this.name="SyntaxError";this.expected=e;this.found=F;switch(e.length){case 0:e="end of input";break;case 1:e=e[0];break;default:e=e.slice(0,e.length-1).join(", ")+" or "+e[e.length-1]}F=F?jb(F):"end of input";
this.message="Expected "+e+" but "+F+" found.";this.offset=f;this.line=N;this.column=t}};N.SyntaxError.prototype=Error.prototype;return N}();