[cisco-voip] Random call disconnects

[Craig Staffin]

First off whats the config?

Versions?
MGCP, H323, SIP?

It sounds like somewhere along the line someone is properly responding to
the CONNECT-ACK message

Craig


On Sat, Dec 19, 2009 at 10:10 AM, Huffman, Tim <thuffman at rosettastone.com>wrote:

>  I haven’t yet been able to re-create the issue, but if the problem is on
> my side, what would be some things I need to check on?
>
>
>
> Thanks,
>
>
>
> *Tim Huffman*
>
>
>
> *From:* cmstaffin at gmail.com [mailto:cmstaffin at gmail.com] *On Behalf Of *Craig
> Staffin
> *Sent:* Saturday, December 19, 2009 9:41 AM
> *To:* Huffman, Tim
> *Cc:* cisco-voip at puck.nether.net
> *Subject:* Re: [cisco-voip] Random call disconnects
>
>
>
> 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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>
>
>
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