[cisco-voip] problem for Cisco 7912 ip phone behind pix firewall

[sekchye goh]

Hi there!

  thanks Radoslav and Voll for the suggestion.
After I have disabled fixup on the PIX firewall, it is working now!!
no fixup protocol sip 5060
no fixup protocol sip udp 5060

  Thanks!


On Sun, 26 Dec 2004 19:59:33 +0200, Radoslav Sotirov
<rsotirov at networksolutions-bg.com> wrote:
> Hello , another issue is to remove the all fixups
> with no statement , on some situations it has effect.
> 
> Radoslav Sotirov
> ----- Original Message -----
> From: "sekchye goh" <sekchye at gmail.com>
> To: "Voll, Scott" <Scott.Voll at wesd.org>
> Cc: <cisco-voip at puck.nether.net>
> Sent: Saturday, December 25, 2004 6:43 AM
> Subject: Re: [cisco-voip] problem for Cisco 7912 ip phone behind pix
> firewall
> 
> > Hi Voll,
> >
> >   the fixup protocol was already configured but we still face the same
> > problem.
> > Any further pointers will be greatly appreciated .  Thanks!
> >
> > PIX# sho run | include fixup
> > fixup protocol dns maximum-length 512
> > fixup protocol ftp 21
> > fixup protocol h323 h225 1720
> > fixup protocol h323 ras 1718-1719
> > fixup protocol http 80
> > fixup protocol ils 389
> > fixup protocol pptp 1723
> > fixup protocol rsh 514
> > fixup protocol rtsp 554
> > fixup protocol sip 5060
> > fixup protocol sip udp 5060
> > fixup protocol skinny 2000
> > fixup protocol smtp 25
> > fixup protocol sqlnet 1521
> > fixup protocol tftp 69
> >
> >
> >
> > On Fri, 24 Dec 2004 09:03:36 -0800, Voll, Scott <Scott.Voll at wesd.org>
> > wrote:
> >>
> >>
> >> sounds like maybe a fixup protocol on the pix?
> >>
> >>  ________________________________
> >>  From: cisco-voip-bounces at puck.nether.net on behalf of sekchye goh
> >> Sent: Thu 12/23/2004 8:22 PM
> >> To: cisco-voip at puck.nether.net
> >> Subject: [cisco-voip] problem for Cisco 7912 ip phone behind pix firewall
> >>
> >>
> >>
> >>
> >> Hi there!
> >>
> >>    We have two cisco 7912 ip phone using SIP firmware behind PIX
> >> firewall.  These two phone is configured to register to a SIP proxy on
> >> the public Internet.  This SIP proxy is using SER
> >> (http://www.iptel.org/ser/).  These two Cisco 7912 ip phones are PAT
> >> to a single IP.
> >>
> >>    The problem we have is when these two phones call each other, the
> >> two party cannot hear each other 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
> >> _______________________________________________
> >> cisco-voip mailing list
> >> cisco-voip at puck.nether.net
> >> https://puck.nether.net/mailman/listinfo/cisco-voip
> >>
> >
> >
> 
>