2007/12/21, Bernhard Suttner <[EMAIL PROTECTED]>:
> Yeah, without 100rel it does work without a problem. Is it possible to
> fix this bug in the near future? If you require more informations to fix
> this bug I will help you of course!

I'll try to get some time for fixing the forking, I think Misha also
needs the fix...

--Pekka

> Am Freitag, den 21.12.2007, 15:06 +0200 schrieb Pekka Pessi:
> > 2007/12/14, Bernhard Suttner <[EMAIL PROTECTED]>:
> > > I try to do my best and look after this bug. But I have a another
> > > question to the structure of sofia sip.
> > >
> > > The situation doesn't changed:
> > >
> > > NUA Application calls Alice over Broadworks PBX.
> > >
> > > The question is, in which function does NUA/NTA add the To Tag to the
> > > orq->orq_to->a_tag function if
> > >         - the Broadworks does send us a 183 with SDP
> > >         - we get only a SDP in the 200 OK final response.
> > >
> > > Would it be possible to delete the To Tag of the 183 SDP in the orq
> > > structure if we get a different To Tag in the 200 OK or how can I solve
> > > this bug?
> >
> > Well, I think the problem is with the way nua/nta handles 100rel
> > responses (I assume 183 is indeed a 100rel response).
> >
> > You could get away with a case if the PBX did not require 100rel.
> >
> > > I dont know if this is a problem with all forked calls, but I think it
> > > is interessting for the sofia-sip project - so I would be very pleased
> > > if someone can give me some hints.
> >
> > The problem is with the 100rel calls only (or so I hope).
> >
> > --Pekka
> >
> >
> > > Am Freitag, den 07.12.2007, 16:07 +0100 schrieb Bernhard Suttner:
> > > > Can nobody help or give a hint?
> > > >
> > > >
> > > > Am Mittwoch, den 05.12.2007, 09:54 +0100 schrieb Bernhard Suttner:
> > > > > Hi,
> > > > >
> > > > > I have a problem with two different two tags. The application is a NUA
> > > > > client (Version 1.12.7) which will have a registration on a broadworks
> > > > > PBX. The scenario is as follows:
> > > > >
> > > > > NUA-Application --------> Broadworks PBX ----> Alice
> > > > >
> > > > > NUA Application is registered on the Broadworks PBX and calls Alice. 
> > > > > On
> > > > > the Broadworks PBX it is configured that a Custom Ringback is played 
> > > > > to
> > > > > the caller of Alice. Therefore the Broadworks PBX does send a Session
> > > > > Progress (183) to the NUA Application with SDP (= Media server). The
> > > > > To-Tag is set to 2126846201-1196843105609 by the Broadworks PBX.
> > > > > NUA-Application get the SDP and the custom ringback without any 
> > > > > trouble.
> > > > > Alice is ringing. Then Alice accept the call. The PBX sends a 200 OK 
> > > > > to
> > > > > NUA-Application with a different SDP (= Alice) BUT the 200 OK does 
> > > > > have
> > > > > a different To-Tag (241898411-1196843111396). The NUA-Application
> > > > > doesn't accept the 200 OK because of the different To-Tag. The FROM 
> > > > > Tag
> > > > > and the Call-ID are identical. The inbound call from Alice to
> > > > > NUA-Application works fine.
> > > > >
> > > > > If I set the debug options I get:
> > > > > nta: 200 OK was discarded.
> > > > >
> > > > > In the nta.c source code I have found the line which will fail: else 
> > > > > if
> > > > > (a->a_tag && b->a_tag) (in function addr_match). Therefore the 
> > > > > function
> > > > > will return FALSE and the outgoing_find function will continue with 
> > > > > the
> > > > > next item in the outgong_htable_hash.
> > > > >
> > > > > I think it is a Sofia SIP bug but I am not sure. Some documents 
> > > > > explains
> > > > > this behavior, too:
> > > > >
> > > > > https://lists.cs.columbia.edu/pipermail/sip-implementors/2007-August/017350.html
> > > > > http://www1.ietf.org/mail-archive/web/sipping/current/msg12390.html
> > > > > http://bugs.digium.com/view.php?id=5166
> > > > >
> > > > >
> > > > > Can someone give me some hints or suggestions?
> > > > >
> > > > > Best regards,
> > > > > Bernhard Suttner
> > > > >
> > > > >
> > > > >
> > > > >
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>


-- 
Pekka.Pessi mail at nokia.com

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