RTCSessionDescription: type property

The property RTCSessionDescription.type is a read-only string value which describes the description’s type.

Value

The possible values are:

• "answer"
  • : The SDP contained in the sdp property 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

Browser compatibility

See also

• WebRTC