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    Introduction to WebTelephony Redirect 1

    The basis of accessing the phone functionality is simply through navigator.mozTelephony, which is part of the WebTelephony API. Once you have a reference to that object you can start placing and recieving calls. Here are a few examples:

    // Telephony object
    var tel = navigator.mozTelephony;
    
    // Check if the phone is muted (read/write property)
    console.log(tel.muted);
    
    // Check if the speaker is enabled (read/write property)
    console.log(tel.speakerEnabled);
    
    // Place a call
    var call = tel.dial("123456789");
    
    // Events for that call
    call.onstatechange = function (event) {
        /*
            Possible values for state:
            "dialing", "ringing", "busy", "connecting", "connected", 
            "disconnecting", "disconnected", "incoming"
        */
        console.log(event.state);
    };
    
    // Above options as direct events
    call.onconnected = function () {
        // Call was connected
    };
    
    call.ondisconnected = function () {
        // Call was disconnected
    };
    
    // Receiving a call
    tel.onincoming = function (event) {
        var incomingCall = event.call;
    
        // Get the number of the incoming call
        console.log(incomingCall.number);
    
        // Answer the call
        incomingCall.answer();
    };
    
    // Disconnect a call
    call.hangUp();
    
    
    // Iterating over calls, and taking action depending on their changed status
    tel.oncallschanged = function (event) {
        tel.calls.forEach(function (call) {
            // Log the state of each call
            console.log(call.state); 
        });
    };
    

    See also

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    Contributors to this page: Sheppy
    Last updated by: Sheppy,