[cisco-voip] Voice Gateway issue

[Faye Day]

Hi Everybody,

We have a problem with a Cisco 1760 voice gateway that I hope someone can
help us with. We are running CCM 4.02 sr2b. The gateway in question is in
one of our smaller buildings. The router IOS version is 12.2(14.5)T. The
router has 2 FXO ports and 2 VWIC FXS ports. We have a Valcom overhead
paging unit connected to one of the FXS ports. Here's the problem:

Approximately every two weeks, sometimes more often, when they attempt to
make their closing announcement, the paging unit doesn't function - either
rings but never connects or gives a fast busy when they dial the extension.
Each time this happens, I reset the port and it starts working. This problem
is totally intermittent and therefore can't be reproduced. The unit works
just fine most of the time. We've monitored the gateway, reviewed logs, etc
after the failures, but can't find anything wrong there. We had someone
check the Valcom unit dipswitch settings and the jumper that controls the
timeout was not set to default. That was corrected, but the problem has
occurred twice since. We have two or three other Valcom units set up the
same way and they function without failures.

Does anyone have suggestions about how to track this one down? Any help
would be appreciated.

Thanks,

Faye Day
 
Assistant Technology Services Director
Wilson County Technology Services 
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