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unity poor voice quality

whanson
Level 2
Level 2

‎03-08-2004 05:12 AM - edited ‎03-13-2019 04:09 AM

Does anyone have any ideas. I've had this problem for some time. Listening to voice messages delivered from the outside are terrible. Sometimes you can hardly hear the caller. I am running the PRI as MGCP to Call Manager with echo cancellation enabled and echo suppression. I have the latest IOS code installed. Problem does not occur internally. I even upgraded Unity to 4.0.3 with no success. There is absolutely no problem with regular phone conversations.

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Markus Schneider
Cisco Employee
Cisco Employee

‎03-08-2004 11:07 AM

Have you gone through the audio troubleshooting guide (http://www.cisco.com/en/US/partner/products/sw/voicesw/ps2237/products_tech_note09186a00801663a2.shtml)? Is this G711 or G729?

Is it quiet, or is it garbled? Intermittent or reproducible?

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whanson
Level 2
Level 2
In response to Markus Schneider

‎03-11-2004 03:21 AM

Thanks, I will look at the doci. It is all 711, does not happen all of the time and when it does, the symptoms are that the voices go soft then loud then soft.

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