El Friday 26 October 2007 14:27:36 Aymeric Moizard escribió:
> I just read this interesting compliance question. Here is my
> *own* opinion:
>
> First: from rfc: "the To tag of the response to the CANCEL and the To tag
>     in the response to the original request SHOULD be the same"
>
> -> Thus, there is no reason to send the tag from a provisionnal response
> in the CANCEL answer. THIS IS ONLY FOR FINAL RESPONSE (the 487), never
> PROVISIONNAL (180 or 183). (However, the tag is always the same on
> endpoints, but still this is not true on proxy). That's how I understand
> it.
>
> -> SHOULD means that it's not mandatory. So if one application like
> asterisk tries to match the To tag of CANCEL answer and the to tag of a
> final response then this application is NOT compliant to rfc3261.
>
> openser is not guilty there...
> asterisk is certainly not "too much RFC compliant"...

Thanks for your explanation.
I'll try to report the bug in Asterisk.

Regards.


-- 
Iñaki Baz Castillo
[EMAIL PROTECTED]

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