[SR-Users] CANCEL with Totag

Iñaki Baz Castillo ibc at aliax.net
Tue Nov 23 19:18:52 CET 2010


2010/11/23 Alex Balashov <abalashov at evaristesys.com>:
>> Really ugly. Actually those CANCEL's are  being rejected by my
>> kamailio (403) as they contain Totag but no Route header.
>
> Are you saying that if not for this security check, Kamailio would match the
> CANCELs to the INVITE transaction to which they are intended to correspond?
>
> This should not happen;  in order for CANCELs to be matched, they must have
> the same attributes, tag-wise, as the initial INVITE to which they
> correspond.

I expect Kamailio just matches the Via branch, and not the Totag, am I wrong?

-- 
Iñaki Baz Castillo
<ibc at aliax.net>



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