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Audio SIP call in one click example

This example allows to place outgoing audio call with one button click using account specified in server config file

/usr/local/FlashphonerWebCallServer/conf/apps/click-to-call/accounts.xml

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Code of the example

The path to the source code of the example on WCS server is:

/usr/local/FlashphonerWebCallServer/client/examples/demo/sip/click-to-call

click-to-call.css - stylesheet for the example page
click-to-call.html - page of the example
click-to-call.js - script providing functionality for the example

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Here host is the address of the WCS server.

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Analyzing the code

To analyze the code, let's take the version of file click-to-call.js with hash 26fc5afa246baea80867fa011305da811edab1f002c8028, which is available here and  and can be downloaded with corresponding build 2.0.5.5178.1894.

1. Initialization of the API

Flashphoner.init() code

    try {
        Flashphoner.init({flashMediaProviderSwfLocation: '../../../../media-provider.swf'}););
    } catch(e) {
        $("#notifyFlash").text("Your browser doesn't support WebRTC technology needed for this example");
        return;
    }

2. Connection to server.

createSession() code

Object with connection options is passed to the method when session is created

• urlServer - URL for WebSocket connection to WCS server
• appKey - internal server-side application 'clickToCallApp'

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• sipOptions - SIP connection

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• parameters from a hidden form fields

        var url = $('#urlServer').val();
	        var appKey = "clickToCallApp";

	sipOptions = {
            login: $('#sipLogin').val(),
            authenticationName: $('#sipAuthenticationName').val(),
            password: $('#sipPassword').val(),
            domain: $('#sipDomain').val(),
            outboundProxy: $('#sipOutboundProxy').val(),
            port: $('#sipPort').val(),
            registerRequired: true
        };
    
        var connectionOptions = {
		            urlServer: url,
		            appKeysipOptions: appKey
	sipOptions
        };

	        //create session
	        console.log("Create new session with url " + url);
	        Flashphoner.createSession(connectionOptions).on(SESSION_STATUS.ESTABLISHED, function(session){
            ...
		        });

3. Receiving the event confirming successful connection

ConnectionStatusEvent ESTABLISHED code

On this event, outgoing call is created

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session.createCall(), call() code

The following parameters are passed when call is created

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5. Call hangup

call.hangup() code

    $("#callBtn").text("Hangup").removeClass("btn-success").addClass("btn-danger").off('click').click(function(){
        $(this).prop('disabled', true);
	    outCall.hangup();
    }).prop('disabled', false);