[cisco-voip] Calls dropping after 5 minutes

[Ryan Ratliff]

Any firewall that could blocking the UDP stream after 5 mins?   Does  
the phone still think it's transmitting and receiving packets?

-Ryan

On Jan 8, 2008, at 11:07 AM, <jean-francois.guay at bell.ca> <jean- 
francois.guay at bell.ca> wrote:

Hi,

Since changing the gateways at a customer's site I am getting  
complaints of some calls (IP to PSTN) going dead (no more voice)  
after 5 minutes.  Before they had the 6608-T1 blade in SCCP mode but  
now have 2x 2821 in H323 mode with CCM3.3 (3.3 does not support the  
2821 in any other way).

I am looking at the ACL but have not seen anything yet.

Any ideas?


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