[cisco-voip] Music On Hold Problem

[Chris Ward]

Hi Timothy,

Troubleshooting MOH can get a little involved, but your description provides
a good clue. When you say you are receiving Tone on Hold rather than MOH,
that means that CUCM is failing to even allocate a MOH resource. This could
be a MRGL or a region/codec mismatch.

If you were receiving silence, that would mean the MOH server was allocated,
but the stream is either blank or not reaching the destination.

Also, when allocating an MOH stream, there are two big pieces, the source
file and the MOH server. Here is how they are chosen. The device initiating
the hold selects the Audio Source ID and the device that is being held uses
its MRGL to find an MOH server to use for the selected Audio Source ID.

I saw a lot of other emails on this subject so I apologize if this is a
dupe.

Chris Ward 

> From: Timothy Smith <timotsmith at gmail.com>
> Date: Sat, 6 Dec 2008 20:32:16 +0300
> To: <cisco-voip at puck.nether.net>
> Subject: [cisco-voip] Music On Hold Problem
> 
> Hi,
> 
> I have a IPT setup comprising of a cisco call manager 5.1 and using a
> cisco 2821 router as an h323 gateway to the PSTN over an E1 line.
> Everything works well save for Music on hold! I have Tone on hold
> instead both internal and external calls. Could someone please point
> me any directions or  some tutorial/guides that can help me overcome
> this problem?
> 
> I have tried whatever I can but no success.  Attached are some of the
> screen shots on what I think is important for MOH to work.
> 
> Thanks!
> TS
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