[cisco-voip] Random call disconnects

[Craig Staffin]

Tim,

ON a call that is having the issue run a Debug ISDN q931.  Watch and see if
the Disconnect is a TX or RX.  If it is TX then it is in fact your issue.
If it is a RX then it is a carrier issue.


Craig Staffin



On Sat, Dec 19, 2009 at 8:11 AM, Huffman, Tim <thuffman at rosettastone.com>wrote:

>  We have a single CUCM with one 2821 VGW and one E1 PRI in our UK office.
> We’re seeing issues with random call disconnects.  About 25% of the time, a
> call will drop within a minute.  The call connects, you can talk to the
> person on the other end, you then hear dead silence on our end and the
> person on the other end gets a fast busy.  After checking all of the config
> settings we believe it’s a carrier issue, but the carrier claims the
> disconnects are coming from our system.  Is there anything I can do to
> confirm where the problem is?
>
>
>
> Thanks,
>
>
>
> *Tim Huffman*
>
>
>
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