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The ontonechange property of the RTCDTMFSender interface is used to set the event handler for the tonechange event, which is sent to the RTCDTMFSender each time a tone begins or ends. The event handler receives as input a single parameter of type RTCDTMFToneChangeEvent, which describes the change.
RTCDTMFSender.ontonechange = toneChangeHandlerFunction;
A function which is called when a tonechange event is sent to the RTCDTMFSender, indicating that a DTMF tone has either started playing, or if all tones have finished playing.
tbd
| Specification |
|---|
| WebRTC 1.0: Real-Time Communication Between Browsers (WebRTC 1.0) # dom-rtcdtmfsender-ontonechange |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
ontonechange |
27 |
79 |
52 |
No |
Yes |
13.1 |
≤37 |
27 |
52 |
Yes |
13.4 |
1.5 |
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https://developer.mozilla.org/en-US/docs/Web/API/RTCDTMFSender/ontonechange