We are using Polycom 550 and 650 phones and OSLEC echo cancellation software
with Asterisk. Occasionally, we get echo on our PRI phone calls. The echo is
always from our voice echoing back to us. How can I fix this echo? I have
tried installing the VPMADT032 module on our TE121 card, but
hin lee wrote:
We are using Polycom 550 and 650 phones and OSLEC echo cancellation
software with Asterisk. Occasionally, we get echo on our PRI phone
calls. The echo is always from our voice echoing back to us. How can
I fix this echo? I have tried installing the VPMADT032 module on our
Hey Sean,
Are you using Zap modem cards (X100P)? There can be bad echo with those
things. The echo canceling effect you are hearing comes from the Polycom
phones - they dynamically learn from the echo at the beginning of the call
and adjust the echo cancellation accordingly. We are using a
-Users] Echo with polycom phones
Hey Sean,
Are you using Zap modem cards (X100P)? There can be bad echo with those
things. The echo canceling effect you are hearing comes from the Polycom
phones - they dynamically learn from the echo at the beginning of the
call and adjust the echo cancellation
background noise with these?
- Brent
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Sean Garland
Sent: Tuesday, January 06, 2004 4:03 PM
To: [EMAIL PROTECTED]
Subject: RE: [Asterisk-Users] Echo with polycom phones
Yup, two x100p cards. The echo goes away
Title: Echo with polycom phones
I have soundpoing ip 500 phones and the first few seconds of every call has echo, which then goes away. Is there a way to have the echo cancel on at the beginning? It seems like it is testing at the beginning but it would be nice if I could have it start
