MOH audio file requirements

Endorsed Question
Apr 3rd, 2009

http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/admin/6_1_1/ccmfeat/fsmoh.html#wp1028075

What is the normal size of MOH file?

Is it normal to use 450kb audio MOH file?

I have this problem too.
0 votes
Cisco Endorsed by Mohit Grover
rob.huffman about 7 years 9 months ago

Hi Alex,

Just to add a note to the good advice from Gonz;

Just be aware of this restriction that was introduced in CCM 5.x and carries over to 6.x (the individual filesize is not the main factor but rather the overall disc usage) ;

Storing Audio Source Files

In previous releases, Cisco CallManager did not limit the amount of space that MOH files used. The MOH upload tool does not limit the number of uploaded files or the file size. The modified upload JSP pages check the disk usage of existing MOH files and only permit uploads if sufficient space is found.

Note The smallest node on the cluster controls MOH capacity

The following considerations also apply:

•Release 5.0 of Cisco CallManager supports up to five MOH audio sources on 36- or 40-gigabyte disk-based systems. Systems with 72- or 80-gigabyte disks support the entire 50 audio streams.

•To increase the number of audio sources that Cisco CallManager supports, install a larger disk during upgrade.

http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/admin/5_0_1/ccmfeat/fsmoh.html

Format:

Average Data Rate 8.0 kb/second

Sample Rate 8.0 Khz

Audi Sample Size 8.0 Bit

Channels 1 (Mono)

Hope this helps!

Rob

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rob.huffman Fri, 04/03/2009 - 06:39

Hi Alex,

Just to add a note to the good advice from Gonz;

Just be aware of this restriction that was introduced in CCM 5.x and carries over to 6.x (the individual filesize is not the main factor but rather the overall disc usage) ;

Storing Audio Source Files

In previous releases, Cisco CallManager did not limit the amount of space that MOH files used. The MOH upload tool does not limit the number of uploaded files or the file size. The modified upload JSP pages check the disk usage of existing MOH files and only permit uploads if sufficient space is found.

Note The smallest node on the cluster controls MOH capacity

The following considerations also apply:

•Release 5.0 of Cisco CallManager supports up to five MOH audio sources on 36- or 40-gigabyte disk-based systems. Systems with 72- or 80-gigabyte disks support the entire 50 audio streams.

•To increase the number of audio sources that Cisco CallManager supports, install a larger disk during upgrade.

http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/admin/5_0_1/ccmfeat/fsmoh.html

Format:

Average Data Rate 8.0 kb/second

Sample Rate 8.0 Khz

Audi Sample Size 8.0 Bit

Channels 1 (Mono)

Hope this helps!

Rob

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