[cisco-voip] MTP allocation failure - CDDR cause code 47

[Ryan Ratliff (rratliff)]

Stuck sessions on the MTP perhaps or leaked calls in UCM?

You're going to have to dig into traces to confirm.

-Ryan

On Apr 17, 2014, at 10:52 PM, Erick Wellnitz <ewellnitzvoip at gmail.com<mailto:ewellnitzvoip at gmail.com>> wrote:

Well, identical except for MAC and description.

It worked for three days now it fails.  The last successful call allocated the MTP without issue.

I personally tested it a dozen or so times before giving it back to the user.


On Thu, Apr 17, 2014 at 9:45 PM, Erick Wellnitz <ewellnitzvoip at gmail.com<mailto:ewellnitzvoip at gmail.com>> wrote:
Super copy identical.


On Thu, Apr 17, 2014 at 4:33 PM, Ryan Ratliff (rratliff) <rratliff at cisco.com<mailto:rratliff at cisco.com>> wrote:
47 = codec mismatch

Is it _really_ identical?

-Ryan

On Apr 17, 2014, at 4:02 PM, Erick Wellnitz <ewellnitzvoip at gmail.com<mailto:ewellnitzvoip at gmail.com>> wrote:

I have a VPN phones configured to use a trused relay point in order to provide connectivity to other VPN phones.

One of the phones gets fast busy and traces show MTP allocation failure.  This was the only phone trying ot utilize this MTP and is identical to other VPN phones that work as expected.

Any ideas?


Thanks!


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