Straulino Heiko ICM N MC MI E72 wrote:
>
> Hi all,
>
> i have a question regarding the handling of a CANCEL request in a SIP
> proxyin the following situation:
> A proxy server receives an INVITE request. The request is processed
> internally
> (e.g. location server lookup, etc.). Before internal processing of the
> INVITE is finished (and before the INVITE is forwarded)
> a CANCEL request for the INVITE arrives. Now should the proxy:
>
> a) Stop INVITE processing and return a 487 "Request terminated" for the
> INVITE transaction.
> b) Nevertheless forward the INVITE request and send a CANCEL right behind.
The proxy follows (a). It also sends a 200 OK to the CANCEL.
- 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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