[OpenSIPS-Users] b2b module issue with PRACK on multiple provisional responses

Giuseppe Cardone g.cardone at unidata.it
Mon Aug 25 19:09:53 CEST 2014


Hi Bogdan, 

just ran a quick test and it looks good ;-) 

I'll be doing a few more in the next few days, so I'll give you some more feedback soon. 

Thanks for the great support! 

Cheers ! 
Giuseppe 

> Da: "Bogdan-Andrei Iancu" <bogdan at opensips.org>
> A: "Giuseppe Cardone" <g.cardone at unidata.it>,
> users at lists.opensips.org
> Inviato: Giovedì, 21 agosto 2014 12:34:35
> Oggetto: Re: [OpenSIPS-Users] b2b module issue with PRACK on multiple
> provisional responses

> Hi Giuseppe,

> Try the attached patch and let me know if it does the trick for you.

> Regards,
> Bogdan-Andrei Iancu
> OpenSIPS Founder and Developer http://www.opensips-solutions.com On
> 21.08.2014 12:30, Giuseppe Cardone wrote:

> > Hi Bogdan,
> 

> > yes I do.
> 

> > I've copied the extract of the log with the processing of the 180
> > Ringing, just in case you need any more
> 
> > info.
> 

> > Kind regards,
> 
> > Giuseppe
> 

> > <stripped>
> 
> > ----- Messaggio originale -----
> 

> > > Da: "Bogdan-Andrei Iancu" <bogdan at opensips.org>
> > 
> 
> > > A: "OpenSIPS users mailling list" <users at lists.opensips.org> , "
> > > g.cardone at unidata.it >> Giuseppe Cardone" <g.cardone at unidata.it>
> > 
> 
> > > Inviato: Giovedì, 21 agosto 2014 10:35:17
> > 
> 
> > > Oggetto: Re: [OpenSIPS-Users] b2b module issue with PRACK on
> > > multiple
> > > provisional responses
> > 
> 

> > > Hi Giuseppe,
> > 
> 

> > > Do you see in your logs any entries for " b2b_tm_cback" when the
> > > 180
> > > is processed ?
> > 
> 

> > > Regards,
> > 
> 
> > > Bogdan-Andrei Iancu
> > 
> 
> > > OpenSIPS Founder and Developer http://www.opensips-solutions.com
> > > On
> > > 09.08.2014 19:39, Giuseppe Cardone wrote:
> > 
> 

> > > > Hi,
> > > 
> > 
> 

> > > > I'm trying out the b2b module on opensips and have encountered
> > > > an
> > > > issue regarding PRACK.
> > > 
> > 
> 

> > > > In particular I have a scenario where the called number replies
> > > > with
> > > > a 183 session progress (Require: 100rel and RSeq: 1) and then a
> > > > few
> > > > seconds later with a 180 Ringing (Require: 100rel and RSeq: 2).
> > > 
> > 
> 

> > > > What happens is that opensips correctly replies with a PRACK to
> > > > the
> > > > 183 response but then doesn't do the same when it receives the
> > > > 180
> > > > provisional response.
> > > 
> > 
> 

> > > > Excerpts from the logs show this happening when the 183 message
> > > > is
> > > > received:
> > > 
> > 
> 

> > > > Aug 9 17:31:14 [2528] DBG:b2b_entities:b2b_tm_cback: Found
> > > > require
> > > > hdr
> > > 
> > 
> 
> > > > Aug 9 17:31:14 [2528] DBG:b2b_entities:b2b_tm_cback: Found
> > > > 100rel
> > > > header
> > > 
> > 
> 
> > > > Aug 9 17:31:14 [2528] DBG:b2b_entities:b2b_send_req: start
> > > > type=1
> > > 
> > 
> 

> > > > but when the 180 response arrives, there are no similar
> > > > entries.
> > > 
> > 
> 

> > > > It is my understanding that from a SIP signalling point of view
> > > > the
> > > > b2b module should reply with a PRACK to the 180 response too or
> > > > am
> > > > I
> > > > missing something ?
> > > 
> > 
> 

> > > > Any ideas as to why this may be happening or could it be a bug
> > > > ?
> > > 
> > 
> 

> > > > Many thanks,
> > > 
> > 
> 
> > > > Giuseppe
> > > 
> > 
> 

> > > > _______________________________________________
> > > 
> > 
> 
> > > > Users mailing list Users at lists.opensips.org
> > > > http://lists.opensips.org/cgi-bin/mailman/listinfo/users
> > > 
> > 
>
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