[Serusers] problem for Cisco 7912 ip phone behind pix firewall

[sekchye goh]

Thanks Atle and Pepe for your response!!
After disabling the following command on PIX, the problem is resolved!

no fixup protocol sip 5060
no fixup protocol sip udp 5060



On Mon, 27 Dec 2004 11:01:26 +0100, Atle Samuelsen <clona at camaro.no> wrote:
> Disable fixup for sip.
> 
> I dont know what the command is. but that usally helps on PIX.
> 
> -Atle
> 
> * Pepe <jlbravo at acotelsa.com> [041227 09:09]:
> > PIX firewalls cant reroute using the same interface, dunno if it helps but
> > is one difference with routers....
> >
> >
> > ----- Original Message -----
> > From: "sekchye goh" <sekchye at gmail.com>
> > To: <serusers at lists.iptel.org>
> > Sent: Monday, December 27, 2004 4:54 AM
> > Subject: [Serusers] problem for Cisco 7912 ip phone behind pix firewall
> >
> >
> > > Hi there!
> > >
> > >   We have two cisco 7912 ip phone using SIP firmware behind Cisco PIX
> > > firewall.  These two phone is configured to register to a SER proxy which
> > is on
> > > the public Internet.   These two Cisco 7912 ip phones are PATor NAPT
> > > to a single IP.
> > >
> > >   The problem we have is when these two phones call each other, the
> > > two party cannot hear each other's voice.
> > >
> > >   If we replace the PIX firewall with a Cisco router, there is no such
> > problem.
> > >
> > >  Does anyone encounter this problem before?  I am clueless on how to
> > > resolve this problem.  Any pointers will be much appreciated.
> > >
> > >   Thank you very much!
> > >
> > > Best regards
> > >
> > > sekchye
> > >
> > > _______________________________________________
> > > Serusers mailing list
> > > serusers at lists.iptel.org
> > > http://lists.iptel.org/mailman/listinfo/serusers
> >
> > _______________________________________________
> > Serusers mailing list
> > serusers at lists.iptel.org
> > http://lists.iptel.org/mailman/listinfo/serusers
> >
> 
> _______________________________________________
> Serusers mailing list
> serusers at lists.iptel.org
> http://lists.iptel.org/mailman/listinfo/serusers
>