[cisco-voip] CM, Gateway, and PRI

[Jeff Ruttman]

Greetings,

 

I've noticed in CM that on the Gateway config, there are Input Gain,
Output Attenuation, Echo Cancel, and Echo Coverage settings.  You can
also set these on the voice ports on routers.

 

What is the difference?  Do you have to configure both?  Is there a
reason to use one rather than the other?

 

Thanks

jeff

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