This feature is not on a current W3C standards track, but it is supported on the Firefox OS platform. Although implementations may change in the future and it is not supported widely across browsers, it is suitable for use in code dedicated to Firefox OS apps.

This API is available on Firefox OS for internal applications only.


Returns a Telephony object you can use to initiate and control telephone calls from the browser.


var phone = window.navigator.mozTelephony;


navigator.mozTelephony provides access to a Telephony object that you can use to control the phone features of the device on which the browser is running.


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 Not supported Not supported Not supported Not supported Not supported
Feature Android Firefox Mobile (Gecko) Firefox OS (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support Not supported 12.0 (12.0) 1.0.1 Not supported Not supported Not supported

See also

Document Tags and Contributors

Last updated by: chrisdavidmills,
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