TelephonyCallGroup.onheld

The onheld property of the Telephony interface specifies an event listener to receive held events. These events occur when the call group is successfully put on hold.

Syntax

myTelephonyCallGroup.onheld = function() { ... };

These events are of type CallEvent.

Examples

// Telephony object
var tel = navigator.mozTelephony;

// Make two calls; assume they are both answered
var call1, call2;
tel.dial(number1).then(call => call1 = call);
tel.dial(number2).then(call => call2 = call);

// Add both calls to the conference call
// Two entries will appear in conference.calls (call1, call2)
// but nothing in tel.calls
var conference = tel.conferenceGroup;
conference.add(call1, call2);

conference.onheld = function() {
  // Do something when the conference call
  // is successfully held
};

Specifications

Browser compatibility

For obvious reasons, support is primarily expected on mobile browsers.

See also

• Using the Web Telephony API
• TelephonyCall
• CallEvent
• Navigator.mozTelephony