[reSIProcate] How the UAC reacts to the 200OK(invite) prior to sending the PRACK for the 18x response?
Hi
All,
In my
case, the UAC implementation is divided to 2 seperate process, in which on is
responsible for the SIP Statck, the other is the Transaction User. When UAC
receives the 180 Ringing message without SDP, the Stack passes it to the
transation user after the parsing and the transaction processing. While then
before the Transaction User decides to build the PRACK messag for the 180, the
Stack receives the 200OK(invite) from the UAS. The stack then passes this 200OK
to the msg queue which is used to communicate with Transaction User. Afterwards,
the Stack got the PRACK message from the Transaction User and start to build the
PRACK message which is to be sent back to UAS. Now, because the Dialog state is
already set as Confirmed, so, how should I handle this PRACK message. Should I
Consume the PRACK which is not so necessary to UAS or still need to send it
out?
Alex
Zhang
Guangdong Nortel
(GDNT) R&D Center
GSM/UMTS Voice Core
- MSC
Design