[asterisk-users] [SOLVED] Cianet channel bank with noise and echo

[jefferson alexandre]

<snip>

> Thats probably it.... You're relying on Asterisks software echo
>> canceling.... I have seen mixed results. Have you tried adjusting
>> gains? I'd do the following
>>
>> 1. Turn off echo canceler (makes it more obvious whilst you're trying
>> to remove it)
>> 2. Turn down both gains
>> 3. listening' inside your network (i.e. listening to audio coming to
>> your network from the PSTN), adjust the gain upwards until it sounds
>> suitable
>> 4. 'listening' outside of your network (i.e. listening to audio coming
>> from your network to PSTN) do the same.
>> 5. Test for echo. Adjust the gains down for the sound you hear back
>> (i.e. if you hear person inside your network echoing, adjust the gain
>> in '4').
>> 6. Try and get it as close to echo free as you can using this method
>> 7. Enable any echo canceling you can find to 'tidy up' the leftover
>> echo, try various ones if you need to. voip-info.org/wiki may help
>> 8. Buy hardware echo cancelers next time ;)
>>
>
My echo problem was ajust gain, and enable echocanceller=mg2,1 for dahdi
channels.
Thanks for the help and troubleshooting guide.

[ ] 's
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