TelephonyCallGroup.state

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The state read-only property of the TelephonyCallGroup interface returns a DOMString indicating the state of the call group.

Syntax

var conferenceCallState = myTelephonyCallGroup.state;

Value

A DOMString.

Call state values

State String	Description
`empty`	There is currently no active conference call.
`connected`	The active conference call is connected.
held	The active conference call is on hold.

Examples

// Create your 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.state;

Specifications

Specification	Status	Comment
Web Telephony	Draft	Draft

Browser compatibility

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

Desktop
Mobile

Feature	Chrome	Firefox (Gecko)	Internet Explorer	Opera	Safari
Basic support	No support	No support	No support	No support	No support

Feature	Android	Firefox Mobile (Gecko)	Firefox OS (Gecko)	IE Mobile	Opera Mobile	Safari Mobile
Basic support	No support	12.0 (12.0)	1.0.1	No support	No support	No support