[asterisk-users] Echo issue

[hin lee]

I am having echo issues on our Asterisk box using a PRI circuit.  I was using the software echo cancellation and that helped a bit but didn't solve it completely.  So I went and bought a Digium echo cancellation module for the TE121 card.  That made it even worst, getting more echo on external calls and between internal extension to extension.  The echo doesn't happen all the time, but enough to get complaints from our users.

Completely fed up with the issue, I removed the module from the card.  Can someone guide me on how to fix/tune/address the echo issues. 

Thank you!



      
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