Hi,
Can you help me with the following questions.
1. If UA is subscribing to MWI (or) reg event..when it receives a immediately 
NTY with subscription state as : Terminated
should the UA re-retry to re-subscribe?
As per rfc's/specs in which cases does a UE does not re-try to re-subscribe. 
(Error codes (or) NTY- subscription state)

2. when a UE send session-timer (or) any things in Supported: header in INVITE.
should it include that header in PRACK (or) Re-INVITE send by the same UA?
(In This case Target also supports session-timer and it is working between 
UA-UA. but want to know for mid-call signalling) and also reference in rfc's.


-Adi
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