Arunachalam Venkataman wrote:
>
> Suppose there is a call setup from A to B.
>
> Now A sends a Bye at the same instant B sends a INFO.
> Should A respond to the INFO with some error status or can A ignore the
> INFO since the BYE negates the requirement to send a response?
Keep in mind Jonathan's Law of SIP Transactions: each transaction should
complete independent of others. Thus, A should respond to the INFO
request; even if A knows that it has started session teardown, it should
respond to the INFO request (using a final non-2xx response if it has to).
- vijay
--
Vijay K. Gurbani vkg@{lucent.com,research.bell-labs.com,acm.org}
Internet Software and eServices Group
Lucent Technologies/Bell Labs Innovations 263 Shuman Blvd., Rm 1A-413
Naperville, Illinois 60566 Voice: +1 630 224 0216 Fax: +1 630 713 0184
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