[cisco-voip] How to trace failed calls on the CUCM?

[Rhodium]

A 404 from the cluster would normally indicate that the number is not found within the CUCM cluster itself.

Enable Detailed level tracing for CCM on all concerned servers and initiate a few test calls until you get the issue. Then stop the tracing and collect the files via RTMT. This may be service impacting depending on the volume of calls and end points on the respective servers.

I can't recall off the top of my head whether an unregistered IP phone would also give a 404 error message if there is no call forward unregister number to redirect it to voicemail but that might be worth checking.

Have a look at the traces and let us know if you require any help deciphering it.



________________________________
 From: "Heim, Dennis" <Dennis.Heim at wwt.com>
To: "Zoltan.Kelemen at Emerson.com" <Zoltan.Kelemen at Emerson.com>; "cisco-voip at puck.nether.net" <cisco-voip at puck.nether.net> 
Sent: Monday, April 15, 2013 5:28 PM
Subject: Re: [cisco-voip] How to trace failed calls on the CUCM?
 


Can your cube actually reach your cucm nodes?
 
Dennis Heim | Sr. Unified Collaboration Team Lead
World Wide Technology | 314.212.1814 | dennis.heim at wwt.com
“Creating Impact, Ignition & Scalability”
 
From:cisco-voip [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Zoltan.Kelemen at Emerson.com
Sent: Monday, April 15, 2013 11:18 AM
To: cisco-voip at puck.nether.net
Subject: [cisco-voip] How to trace failed calls on the CUCM?
 
Hi,
 
I’m trying to trace the reason some calls fail on my CUCM cluster, inbound from a SIP trunk. 
 
The CUBE says it gets 404 from the cluster, but doing a DNA trace on the cluster says that call from the trunk should be routed.
I was trying to locate the call with a session trace using RTMT, but I can’t find the call. It just does not seem to appear in the list of calls (they may be for completed calls only?).
 
Any ideas would be welcome. 
 
Thanks,
 
Zoltan Kelemen
Emerson
 
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