HI.. All,
In the below scenario Is offer /Answer Still required Even if its
completed in INV & 180 ??.
Understanding Early Dialog Establishment is it right way to send PRACK
request & response without SDP. ??
UAC UAS
INV(offer)
---------------------------------------------->
180(Answer)
<---------------------------------------------
PRACK ( SDP/OFFER still required ???)
----------------------------------------------->
200 OK (SDP/Answer still required ????)
<---------------------------------------------
200 OK(INV)
<---------------------------------------------
ACK
----------------------------------------------->
Reagrds
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