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B2G OS

TelephonyCallGroup.state

{ B2GOnlyHeader2('certified') }}

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.

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

See also

Document Tags and Contributors

 Contributors to this page: chrisdavidmills, teoli
 Last updated by: chrisdavidmills,