question.js

// This is in the constructor of a class
this.onInvite = session => {
    console.log(this);
    console.log(this);
    console.log(this);
    console.log(this);
    console.log(this);
    console.log(this);
    // reject this call if we already have an existing call
    if (this._session) {
        session.reject();
        return;
    }
    console.log("sip onInvite ")
    this._session = session;
    console.log("sip session: ", this._session);  
    this._callExtra = {type: 'incomingP2p'};
    session.on('terminated', this.onTerminated);
    console.log('after onInfo', this._session);
    this.events.publish('sip', {type: 'UA.INVITE', msg: this._session});
    // // For DTMF feedback during calls
    if (!window.cordova || (window.cordova && cordova.platformId === 'android')) {
        console.log('hello1')
        this._session.audioContext = new (window.AudioContext || window.webkitAudioContext)();
        console.log('hello2')
    }
    console.log('-0-0-0-');
    this._session.onInfo = (request) => {
        console.log("sip onAudioBoard createSession ", request)
        playSound(this._session.audioContext, request.headers["Audioboard-File"][0].raw);
        console.log(request.reply(200, 'OK'));
        request.reply(200, 'OK');
    }
    console.log('-011111-0-0-');
    console.log(this._session);
    return this._session;
};