RTCDTMFToneChangeEvent: RTCDTMFToneChangeEvent() constructor

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since March 2020.

The RTCDTMFToneChangeEvent() constructor creates a new RTCDTMFToneChangeEvent object.

Syntax

new RTCDTMFToneChangeEvent(type)
new RTCDTMFToneChangeEvent(type, options)

A string with the name of the event. It is case-sensitive and browsers always set it to tonechange.

An object that, in addition of the properties defined in Event(), can have the following properties:

tone Optional: A string containing a single DTMF tone character which has just begun to play, or an empty string ("") to indicate that the previous tone has stopped playing. It defaults to "". See Tone characters for details on what characters are permitted.

A new RTCDTMFToneChangeEvent object, configured as specified in the provided options.

Specification
WebRTC: Real-Time Communication in Browsers # dom-rtcdtmftonechangeevent-constructor

	desktop					mobile
	Chrome	Edge	Firefox	Opera	Safari	Chrome Android	Firefox for Android	Opera Android	Safari on iOS	Samsung Internet	WebView Android	WebView on iOS
`RTCDTMFToneChangeEvent()` constructor	Chrome – Full support Chrome 27 (Release date: 2013-05-21) footnote Full support	Edge – Full support Edge 13 (Release date: 2015-11-12) footnote Full support	Firefox – Full support Firefox 52 (Release date: 2017-03-07) footnote Full support	Opera – Full support Opera 15 (Release date: 2013-07-02) footnote Full support	Safari – Full support Safari 13.1 (Release date: 2020-03-24) footnote Full support	Chrome Android – Full support Chrome Android 27 (Release date: 2013-05-22) footnote Full support	Firefox for Android – Full support Firefox for Android 52 (Release date: 2017-03-07) footnote Full support	Opera Android – Full support Opera Android 15 (Release date: 2013-07-08) footnote Full support	Safari on iOS – Full support Safari on iOS 13.4 (Release date: 2020-03-24) footnote Full support	Samsung Internet – Full support Samsung Internet 1.5 (Release date: 2013-09-25) footnote Full support	WebView Android – Full support WebView Android 4.4 (Release date: 2013-12-09) footnote Full support	WebView on iOS – Full support WebView on iOS 13.4 (Release date: 2020-03-24) footnote Full support

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