[cisco-voip] CUCM - MOH Silence

[Ryan Huff]

Another common source of this is codec mismatch. 
 
So if your ingress region isn't related to the region that MoH is in with the G.711/G.722 bandwidth profile, you'll get this issue. If you get tone-on-hold then it is usally partition/css/tftp related but dead silence is usually codec related.
 
Thanks,
 
-r



 
Date: Thu, 14 May 2015 23:13:40 +0200
From: roger.wiklund at gmail.com
To: avholloway+cisco-voip at gmail.com
Subject: Re: [cisco-voip] CUCM - MOH Silence
CC: cisco-voip at puck.nether.net

Not sure about the trace but I would start with basic config check/troubleshooting.
Are you running unicast or multicast MOH?Is the IP Voice Media Streaming App running on all nodes? (If yes try restarting the service)Is the MOH resource in the MRG/MRGL?Are all devices using that MRGL?Is MOH selected for your codec? (System, Service Parameters, <server>, IP Voice Media Streaming App)Have you uploaded a new MOH file? If so try with the default.
I would start there, or try basic ip-phone to ip-phone calls, exclude voice gateways etc and work my way forward.
On Thu, May 14, 2015 at 10:50 PM, Anthony Holloway <avholloway+cisco-voip at gmail.com> wrote:
All,
So, I'm a bit rusty this year on trace analysis and I need a second opinion.
>From the below screenshot snippets out of TranslatorX, it would appear as though the MOH_3 gets selected, then an AuConnectRequest gets issued, and not but a few seconds later, I see an AuDisconnectRequest.  The caller experience is simply silence on the line while the call is connected (or not connected) to MOH.
If there was another key piece of information I could look for to help myself understand why it disconnected so quickly, what should I look for?  Thanks.



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