Staffan

Did you ever get an answer on this?
--martin

> -----Original Message-----
> From: Staffan Kerker [mailto:[email protected]]
> Sent: Monday, September 13, 2010 3:58 AM
> To: Martin Steinmann
> Cc: 'Worley, Dale R (Dale)'; 'sipx-users'
> Subject: Re: [sipx-users] ACK misrouted in SipXProxy with Tandberg
> terminal
> 
> Hi
> 
> The sipXregistrar now seems to do the right stuff, but now it looks to
> me as if the sipXproxy
> is messing up the Request-URI and not using the correct one (public IP
> address) that is
> received from sipXregistry.
> 
> I've uploaded a new trace and a new snapshot to the tracker:
> 
> http://track.sipfoundry.org/secure/attachment/26638/sipx-snapshot-
> sipx.kerker.se-patch3-applied.tar.gz
> 
> http://track.sipfoundry.org/secure/attachment/26639/tandberg-GRUU-ACK-
> misouted-patch3-applied.xml
> 
> Looking at the trace file, frame 33 show the now correctly resolved ACK
> sent back from the patched sipXregistry, but frame 34 now shows the
> SipXproxy trying to send the ACK of to the internal IP address
> (192.168.0.116) shown in "x-sipX-privcontact" and not the public IP of
> the
> NAT outside, as recieved by SipXregistry Request-URI.
> 
> Note, this is a slightly different call scenario due to some changes in
> my setup, but the problem is the same. The call is initiated from an
> incoming SIP trunk, forks to two phones behind NAT, one answers (200
> OK) and the ACK is lost after SipXregistry does GRUU translation
> (correctly now!)
> 
> /Staffan
> 
> 
> 
> On 9 sep 2010, at 04.31, Martin Steinmann wrote:
> 
> > Staffan
> >
> > New RPM attached with the third patch from Dale:
> > http://track.sipfoundry.org/secure/attachment/26634/sipxregistry-
> 4.3.0-01902
> > 2-patch3.sipxbuild.i386.rpm
> >
> > --martin
> >
> >
> >> -----Original Message-----
> >> From: Worley, Dale R (Dale) [mailto:[email protected]]
> >> Sent: Wednesday, September 08, 2010 6:21 PM
> >> To: Staffan Kerker; Martin Steinmann
> >> Cc: 'sipx-users'
> >> Subject: RE: [sipx-users] ACK misrouted in SipXProxy with Tandberg
> >> terminal
> >>
> >> ________________________________________
> >> From: Staffan Kerker [[email protected]]
> >>
> >> Seems like a new minor issue happends after this patch is applied.
> The
> >> ACK is now lost in the sipxregistrar again.
> >> ________________________________________
> >>
> >> Yes, the Registrar is not handling Route headers in ACKs directed
> >> toward GRUUs correctly.  The attached patch should fix that.
> >>
> >> Interestingly, there is a whole class of ACKs that won't be handled
> >> correctly:  If a device adds a Record-Route containing its AOR
> (rather
> >> than its contact address).
> >>
> >> Handling these cases would probably be easier if we modified the
> Proxy
> >> to respond to 3xx responses to ACKs rather than having the Registrar
> >> forward ACKs directly.
> >>
> >> Dale
> >
> 
> --
> Staffan Kerker
> mail/sip/xmpp: [email protected]
> 
> "There is absolutely no money above the 5th fret..." /Donald "Duck"
> Dunn


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