[OpenSIPS-Users] ACK increased Cseq on reinvite

Schneur Rosenberg rosenberg11219 at gmail.com
Fri Nov 9 09:12:01 EST 2018


Bogdan, any update?
On Wed, Nov 7, 2018 at 11:59 AM Schneur Rosenberg
<rosenberg11219 at gmail.com> wrote:
>
> For security reasons I will email it directly to you.
>
> thanks
> On Tue, Nov 6, 2018 at 11:21 PM Bogdan-Andrei Iancu <bogdan at opensips.org> wrote:
> >
> > Hi Schneur,
> >
> > Could you please post a link to a pcap showing this exact problem - the
> > trace should be from the opensips machine, covering the traffic from
> > caller and callee side too for the whole duration of the call.
> >
> > Regards,
> >
> > Bogdan-Andrei Iancu
> >
> > OpenSIPS Founder and Developer
> >    http://www.opensips-solutions.com
> > OpenSIPS Bootcamp 2018
> >    http://opensips.org/training/OpenSIPS_Bootcamp_2018/
> >
> > On 11/06/2018 02:41 PM, Schneur Rosenberg wrote:
> > > Hi, I have this scenario, I'm sending to a carrier that requires
> > > authentication and I use uac_auth(), when I send a call to the carrier
> > > everything works fine, but when OpenSIPs sends a reinvite the carrier
> > > responds witha 200 OK, OpenSIPs  replies with a ACK but it falsely
> > > increments the CSeq , causing the carrier to ignore it, and then the
> > > carrier will keep on resending 200 OK's and OpenSIPs still returns the
> > > wrong ACK and eventually the carrier hangs up.
> > >
> > > I'm running OpenSIPs 2.4.1
> > >
> > > thanks
> > > Scot
> > >
> > > _______________________________________________
> > > Users mailing list
> > > Users at lists.opensips.org
> > > http://lists.opensips.org/cgi-bin/mailman/listinfo/users
> >



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