RTCDTMFSender.ontonechange

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.

Syntax

RTCDTMFSender.ontonechange = toneChangeHandlerFunction;

Value

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.

Example

tbd

Specifications

Browser compatibilityUpdate compatibility data on GitHub

See also

• WebRTC API
• Using DTMF with WebRTC
• RTCDTMFSender