[Kamailio-Users] Loose Route / Re-Invite (brandon at cryy.com)

Iñaki Baz Castillo ibc at aliax.net
Wed Feb 3 22:56:04 CET 2010


El Miércoles, 3 de Febrero de 2010, Alex Balashov escribió:
> On 02/03/2010 04:44 PM, Iñaki Baz Castillo wrote:
> > This is a re-INVITE and the UA (MY_SBC_PROXY) replies a 200 with the
> > natted Contact (as usual).
> > Then the PSTN_PROXY server creates the ACK by setting such private SIP
> > URI as RURI. This is incorrect, this RURI *MUST* be the remote target set
> > in the initial INVITE/200 (the Contact the UA received when the dialog
> > was established). This remote target cannot change within a dialog (as
> > Alex and me have explained in this thread).
> 
> I do not have statistics, but anecdotally speaking, I have encountered
> this problem so often and had to work around it by re-fixing the Contact
> in the sequential INVITE or reply to it that I did not even know it was
> an incorrect behaviour!  I suspect it is rather common.

I always fix Contact also for re-INVITE so I don't know about statistics :)


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




More information about the sr-users mailing list