RTCPeerConnection.sctp

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This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The read-only sctp property on the RTCPeerConnection interface returns an RTCSctpTransport describing the SCTP transport over which SCTP data is being sent and received. If SCTP hasn't been negotiated, this value is null.

The SCTP transport is used for transmitting and receiving data for any and all RTCDataChannels on the peer connection.

Syntax

var sctp = RTCPeerConnection.sctp;

Value

A RTCSctpTransport object describing the SCTP transport being used by the RTCPeerConnection for transmitting and receiving on its data channels, or null if SCTP negotiation hasn't happened.

Example

var pc = new RTCPeerConnection();

var channel = pc.createDataChannel("Mydata");
channel.onopen = function(event) {
  channel.send('sending a message');
}
channel.onmessage = function(event) {
  console.log(event.data);
}

// Determine the largest message size that can be sent

var sctp = pc.sctp;
var maxMessageSize = sctp.maxMessageSize;

Specifications

Specification Status Comment
WebRTC 1.0: Real-time Communication Between Browsers
The definition of 'RTCPeerConnection.sctp' in that specification.
Candidate Recommendation Initial specification.

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidEdge MobileFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
sctpChrome No support No
Notes
No support No
Notes
Notes See bug 943976.
Edge No support NoFirefox No support No
Notes
No support No
Notes
Notes See bug 1278299.
IE No support NoOpera No support NoSafari No support NoWebView Android No support No
Notes
No support No
Notes
Notes See bug 943976.
Chrome Android No support No
Notes
No support No
Notes
Notes See bug 943976.
Edge Mobile No support NoFirefox Android No support No
Notes
No support No
Notes
Notes See bug 1278299.
Opera Android No support NoSafari iOS No support NoSamsung Internet Android No support No

Legend

No support  
No support
See implementation notes.
See implementation notes.

See also

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