Hi All,
In case if we have received 200 OK to an INVITE request, now due to same
failure at proxy, proxy wants to end the call --- What should be the
scenario?
Case 1:
INV ---------------------------------------------------> INV
<------------------------ 200
4xx <-----------------------
-------------------------> ACK
-------------------------> BYE
Just wanted to confirm how important is to send an ACK in such situation.
Can a graceful termination of call by sending a BYE after receiving 200 OK
is acceptable?
With Regards,
Jyoti
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