pranswer

C → S → C {type:'pranswer', sdp:…}

pranswer – preliminary SDP answer to a call.

SDP answer sent by client to server as a response to received call offer. Server forwards answer to calling client.

The answer does not contain the final SDP only a limited one used to set up the call. The real answer SDP will come in a later answer message.

arguments:

• sdp - SDP containing temporary streaming media communications parameters
• from - address of this client
• to - address of remote client

optional argument:

• from_dn - display name of this client

optional argument for group calls:

• gid - group call ID

optional arguments when transferring a call:

• transferred_by - address of client transferring call
• replacing - address of client old call was to