Music On Hold Limit

Unanswered Question
Mar 5th, 2008

Hi guys, quick question. We are running a 4.1 CCM with MOH services. Is there a limit to the size or duration of a custom msuic on hold?

I have this problem too.
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rob.huffman Wed, 03/05/2008 - 11:44

Hi Erik,

I don't believe there are any size restrictions;

Here is how to change the MOH for CallManager;

Music On Hold Audio Sources

An MOH audio translator service converts administrator-supplied audio sources to the proper format for the music on hold server to use. The audio translator uses two parameters, an input directory and an output directory. You can configure the input directory, which defaults to C:\Program Files\Cisco\MOH\DropMOHAudioSourceFilesHere, on a per-service basis. The output directory, a clusterwide parameter, contains a Universal Naming Convention (UNC) name to a shared directory on the default MOH TFTP directory. For whatever directory is specified, append \MOH.

When the administrator drops an audio source file into the input directory, the MOH Audio Translator processes the file and then moves it into the output directory along with any files that are generated. Cisco CallManager supports most audio source file formats as input sources, including wav and mp3 files. After the input audio source is converted, an audio source file exists for each codec type that the music on hold server supports. Supply the highest quality source that is available.

From this good MOH doc;

http://www.cisco.com/en/US/products/sw/voicesw/ps556/products_administration_guide_chapter09186a00803f3a9f.html#wp1027441

Be careful with this issue;

CallManager Failure to Load Large MOH Audio Source Files

From this doc;

http://www.cisco.com/en/US/products/sw/voicesw/ps556/products_tech_note09186a00805fef96.shtml

Hope this helps!

Rob

Jaime Valencia Wed, 03/05/2008 - 22:20

just to add to what Rob said, there is no size restriction other than the HDD size you have.

keep in mind that it's not good idea to use all the space since CAR and CDR can grow and also the CCM DB.

also if translating to several codecs keep in mind they will generate each one a file

HTH

javalenc

dvogel2500 Sun, 03/09/2008 - 12:06

I'm having similar problems with a large MOH file. The 2nd link you recommend is good, but not for CUCM 6.0 on the Linux platform. Anybody know how to deal with the large MOH file problem on 6.0?

Thanks in advance.

Eric Krieger Mon, 03/10/2008 - 07:26

Perhaps an idea to use the

MOH-USB-AUDIO= (Music On Hold USB Audio Adapter)

which gives you the possibility to connect any audio source?

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