[Sip-implementors] Re: [SIP] Should proxy forward non-200 final response after CANCEL

[Shail Bhatnagar]

> Yes, why won't it?  If the proxy forked > 1 branches downstream, it will
> probably wait until all branches got back to it and assuming none of the
> branches returned a 200 OK, send the best response upstream.

Then it would forward every 487 that it receives
from downstream. Are you suggesting that on 
receiving a CANCEL, the stateful proxy should
200 OK this CANCEL and also return a 487 response
to INVITE ? Then, this issue does not arise.
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