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Poor voice quality with ip phone

hani-molani
Level 1
Level 1

‎06-11-2009 07:25 AM - edited ‎03-15-2019 06:29 PM

Dear all

I have CCM 7.0 with voice gateway for PSTN connectivity

when I call with my IP Phone to pstn I have echo so this make voice quality.

any hint or idea please?

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tcarbaug
Cisco Employee
Cisco Employee

‎06-11-2009 03:55 PM

Depending on what Gateway and what connection to the PSTN you are using you may need to make a configuration change in the gate way

Configuring Echo Cancellation

http://www.cisco.com/en/US/docs/ios/12_3/vvf_c/voice_port_configuration_guide/ch5_echo.html

Good Luck!

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Nicholas Matthews
Level 9
Level 9

‎06-11-2009 04:56 PM

Here's a doc that might help. show call active voice brief is a brilliant command.

-nick

Preview file
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