[cisco-voip] Fixed MOH source volume - CM 5.1

[Mark Holloway]

Can you verify if the audio source is using balanced or unbalanced output?
Unbalanced is -10db and balanced is +4db.  

 

 

From: cisco-voip-bounces at puck.nether.net
[mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Ryan Ratliff
Sent: Monday, August 11, 2008 9:09 AM
To: Ed Leatherman
Cc: cisco voip
Subject: Re: [cisco-voip] Fixed MOH source volume - CM 5.1

 

We shouldn't mess with the volume of audio in any way.  In fact we've tried
to get service parameters introduced to allow volume adjustments of the USB
source and were told that there is no way for us to adjust that volume. 

 

If the source can't do it then you need to get something else to sit in-line
between the source and the CUCM to adjust the gain.

 

-Ryan

 

On Aug 11, 2008, at 11:03 AM, Ed Leatherman wrote:

 

I've got a fixed MOH source working now on my 5.1(3) cluster. The volume is
very loud, anyone know of a way to turn it down? I've lowered the source
volume as low as it will go and verified with an external speaker, but
somehow CCM is still amplifying it. The USB sound device has a volume
control but it doesn't seem to do anything for input. I'm using the Cisco
part MOH-USB-Audio=.

I poked around in the IPVMS service parameters, the only volume setting
appears to be for music files that are converted on the system.

-- 
Ed Leatherman
Assistant Director, Voice Services
West Virginia University
Telecommunications and Network Operations

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