Re: Inter-cluster calls are getting dropped when someone picks u
I don't see a failed call at the times specified. Are you sure you collected the traces from the correct CUCM nodes? I do see a failed call between 3007 and 5000 at 15:37:40. That call fails due to a MTP allocation failure when trying to allocate "MTPTRANS."
09/28/2010 15:37:40.325 CCM|AgenaInterface(52)::sendErrorToMX, Audio Channel OLCAck with error recd
Can you verify what codecs that particular MTP supports? It looks as though the call is trying to use g729br8.
I would expect to see an h225 setup out after this for an ICT call, especially since the phone is ringing, but that's not in there. Can you collect the traces for all nodes in the cluster? I think the ICT call went out a different node than the one the traces were collected for. It looks like they're being sent off the sub?
I agree with Felipe that it looks like something regarding media or MTP allocation. Shot in the wind, but perhaps a transcoder is being invoked for a g729 MTP call (which will always fail until 7.1.3 with universal transcoder support)? Make sure the top MRG in the MRGL has only MTPs, and has an MTP that will support the type of codec being used across the trunk.
Message was edited by: Steven Holl | Saw Felipe's post. Adding to my analysis based on that.
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Phone Models 802.1X support? 802.1x flavor Addtl Comment EAP-MD5 EAP-TLS
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