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• 句法
• 范例
• 规范
• 浏览器兼容性
• 另请参阅
• 相关话题

只读 dtmf property on the RTCRtpSender interface returns a RTCDTMFSender object which can be used to send DTMF tones over the RTCPeerConnection 。见 Using DTMF for details on how to make use of th e 返回 RTCDTMFSender 对象。

句法

var dtmfSender = RTCRtpSender.dtmf;
					

值

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.

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

范例

tbd

规范

规范	状态	注释
WebRTC 1.0: Real-time Communication Between Browsers The definition of 'RTCRtpSender.dtmf' in that specification.	候选推荐

浏览器兼容性

The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request. 更新 GitHub 上的兼容性数据

	桌面						移动
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
dtmf	Chrome Yes	Edge ≤18	Firefox 52	IE 不支持 No	Opera Yes	Safari ?	WebView Android Yes	Chrome Android Yes	Firefox Android 52	Opera Android Yes	Safari iOS ?	Samsung Internet Android Yes

图例

完整支持

完整支持

不支持

不支持

兼容性未知 ?

兼容性未知

另请参阅

• WebRTC API
• Using DTMF with WebRTC
• RTCPeerConnection
• RTCDTMFSender
• RTCRtpSender

元数据

• 最后修改： 2019 年 3 月 23 日

相关话题

1. WebRTC API
2. RTCRtpSender
3. 特性

   1. dtmf
   2. track
4. 方法

   1. getParameters()
   2. getStats()
   3. replaceTrack()
   4. setParameters()
5. Related pages for WebRTC

   1. MediaDevices.getUserMedia()
   2. Navigator.mediaDevices
   3. RTCCertificate
   4. RTCDTMFSender
   5. RTCDTMFToneChangeEvent
   6. RTCDataChannel
   7. RTCDataChannelEvent
   8. RTCDtlsTransport
   9. RTCErrorEvent
   10. RTCIceCandidate
   11. RTCIceTransport
   12. RTCPeerConnection
   13. RTCPeerConnectionIceErrorEvent
   14. RTCPeerConnectionIceEvent
   15. RTCRtpReceiver
   16. RTCRtpTransceiver
   17. RTCSctpTransport
   18. RTCSessionDescription
   19. RTCStatsEvent
   20. RTCStatsReport
   21. RTCTrackEvent