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RTCSessionDescription: sdp property

The property RTCSessionDescription.sdp is a read-only string containing the SDP which describes the session.

Syntax

js

const value = sessionDescription.sdp
sessionDescription.sdp = value

Value

The value is a string containing an SDP message like this one:

v=0
o=alice 2890844526 2890844526 IN IP4 host.anywhere.com
s=
c=IN IP4 host.anywhere.com
t=0 0
m=audio 49170 RTP/AVP 0
a=rtpmap:0 PCMU/8000
m=video 51372 RTP/AVP 31
a=rtpmap:31 H261/90000
m=video 53000 RTP/AVP 32
a=rtpmap:32 MPV/90000

Example

js

// The remote description has been set previously on pc, an RTCPeerConnection

alert(pc.remoteDescription.sdp);

Specifications

Specification
WebRTC: Real-Time Communication in Browsers
# dom-rtcsessiondescription-sdp

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
sdp 23 15 22 No 15 11 4.4 25 24 14 11 1.5

See also

  • WebRTC
  • The standard for using SDP in an offer/answer protocol RFC 3264.

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https://developer.mozilla.org/en-US/docs/Web/API/RTCSessionDescription/sdp