Hi All,
A--------------------->B2BUA------------------------>B
A-Party does not support session.
no Session_Expires,no Min-SE and no Supported:timer
So no session refresh between A and B2BUA.
When B2BUA supports timer.
It sends INVITE to B with following details
B2BUA-------INVITE---------->B
Supported : timer
Session_Expires : 840
Min-SE : 360
B2BUA<<--------200-OK----------B
Supported:timer
Session_Expires:240
Min-SE: 120
The B2BUA not obeying B' session_expires and starts timer on 840 sec.
resulting B-Party sending BYE to the session after it's timer expiry.
Should B2BUA should start timer on B's session_expires value (240sec) or
it's own session_expires (840)?
Thanks
Basu
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