[cisco-voip] 7912 problem with Firewall Between them and Call Manager

[ahmet can]

Hi,

 

Did you try bypassing the firewall and directly connect it to the switch where CCM is in there ? Another question is; Did you take your 7912 IP Phone to the cable that is used for another working Cisco IP Phone model ?

 

Regards,

 

Ahmet Can KETEN
 


Date: Tue, 14 Jul 2009 17:27:47 -0500
From: victor.rodriguez at neoris.com
To: cisco-voip at puck.nether.net
Subject: [cisco-voip] 7912 problem with Firewall Between them and Call Manager





Hi, all
 
I have a problem with ip phone 7912, when i make a phone call the ipphone ring once and then lose contact with the Callmanager and goes to CCM fallback, I have others models and works them properly, the cisco TAC told me that the firewall is dropping packets because those are fragmented they suggest to upgrade the version of my firewall, but is FWSM and I have several contest that could be affected.
 
I upgrade the firmware for the ip phone to the last and I have the same behavior, do you know how to change the phone parameters to avoid send fragmented packets?
 
Best Regards


Este documento puede incluir información confidencial y propiedad de Neoris y deberá ser leído solamente por la o las personas a quienes está dirigido. Si usted ha recibido este mensaje por error, por favor avise inmediatamente al remitente contestando y eliminando este correo. Cualquier punto de vista u opiniones expresadas en este mensaje son del remitente y no necesariamente coinciden con aquellas de Neoris. Este documento no deberá ser reproducido, copiado, distribuido, publicado, ni modificado por terceros sin la autorización por escrito de Neoris. 
Este mensaje ha sido verificado contra virus. Visítenos en www.neoris.com.

This document may include proprietary and confidential information of Neoris, and may only be read by those person or persons to whom it is addressed. If you have received this e-mail message in error, please advise the sender immediately by reply e-mail and delete this message. Any views or opinions expressed in this e-mail  are those of the sender and do not necessarily coincide with those of Neoris. This document may not be reproduced, copied, distributed, published, modified or furnished to third parties, without the prior written consent of Neoris.
This e-mail message has been scanned for viruses and cleared. Visit us at www.neoris.com. 




_________________________________________________________________
More than messages–check out the rest of the Windows Live™.
http://www.microsoft.com/windows/windowslive/
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://puck.nether.net/pipermail/cisco-voip/attachments/20090715/fc8160d8/attachment.html>