RTCSessionDescription.type
Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The property RTCSessionDescription.type is a read-only
string value which describes the description's type.
Syntax
var value = sessionDescription.type;
sessionDescription.type = value;
Value
The possible values are:
"answer"-
The SDP contained in the
sdpproperty is the definitive choice in the exchange. In other words, this session description describes the agreed-upon configuration, and is being sent to finalize negotiation. "offer"-
The session description object describes the initial proposal in an offer/answer exchange. The session negotiation process begins with an offer being sent from the caller to the callee.
"pranswer"-
The session description object describes a provisional answer; that is, a response to a previous offer that is not the final answer. It is usually employed by legacy hardware.
"rollback"-
This special type with an empty session description is used to roll back to the previous stable state.
Example
// The remote description has been set previously on pc, a RTCPeerConnection
alert(pc.remoteDescription.type);
Specifications
| Specification |
|---|
| WebRTC 1.0: Real-Time Communication Between Browsers # dom-rtcsessiondescription-type |
Browser compatibility
BCD tables only load in the browser