RTCRtpSender.dtmf

The read-only dtmf property on the RTCRtpSender interface returns a RTCDTMFSender object which can be used to send DTMF tones over the RTCPeerConnection . See Using DTMF for details on how to make use of the returned RTCDTMFSender object.

Syntax

var dtmfSender = RTCRtpSender.dtmf;

Value

An RTCDTMFSender which can be used to send DTMF over the RTP session, or null if the track being carried by the RTP session or the RTCPeerConnection as a whole doesn't support DTMF.

Note: Only audio tracks can support DTMF, and typically only one audio track per RTCPeerConnection will have an associated RTCDTMFSender

Example

tbd

Specifications

Specification
WebRTC 1.0: Real-Time Communication Between Browsers (WebRTC 1.0) # dom-rtcrtpsender-dtmf

Browser compatibility

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	WebView Android	Chrome Android	Firefox for Android	Opera Android	Safari on IOS	Samsung Internet
`dtmf`	66	≤18	52	No	53	13.1	66	66	52	47	13.4	9.0