Changes

interface Telephony : EventTarget {

TelephonySession newSession(DOMString number); // Multiple number call??

readonly attribute TelephonySession liveSession;

attribute Function onincoming;

}

readonly attribute DOMString originNumber;

readonly attribute DOMString number;

// Do the call

void call();

[optional] unsigned long toneDuration,

[optional] unsigned long intervalDuration);

readonly attribute DOMString readyState; // "calling", "incomming", "connected", "closed", "busy"

// Can we get info on when a call goes from "trying to place call" to "calling"?

attribute Function ondisconnect;

attribute Function onbusy;

void answer(); // Should this make the session the active one?

void hangUp();