[Asterisk-Users] Polycom Echo

[Stagg Shelton]

I recently dealt with echo issues and the polycom phones, specifically 
when using headsets.  I used the following settings in my sip.cfg to fix 
the problem.

voice.aec.hs.enable="1"
voice.aec.hd.enable="1"
voice.aec.hf.enable="1"

voice.aes.hs.enable="1"
voice.aes.hd.enable="1"
voice.aes.hf.enable="1"

Also I using sip version 1.6.3.0067 and bootrom 3.1.2

Stagg Shelton
www.oneringnetworks.com


Anton Krall wrote:

>What We are hearing here is that our local users say when they raise their
>voice, sometimes they hear themselves back.. So I guess.. If We have RX and
>TX setting on the polycoms.. Lowering the TX setting might help..  For those
>screaming users :) 
>
>|-----Original Message-----
>|From: asterisk-users-bounces at lists.digium.com 
>|[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of 
>|Martin Joseph
>|Sent: Tuesday, February 28, 2006 10:53 PM
>|To: Asterisk Users Mailing List - Non-Commercial Discussion
>|Subject: Re: [Asterisk-Users] Polycom Echo
>|
>|
>|On Feb 28, 2006, at 7:14 PM, Anton Krall wrote:
>|
>|> Anyway the phone can compensate? I don't think it works that way but 
>|> worth asking..
>|>
>|If the phone has an input gain (for phone users voice) then 
>|adjusting it down can help echo that is being generated at the 
>|far end.  ie if it's too loud coming out the speaker at the 
>|far end,  the far end mic might send it back to you.
>|
>|Sorry I know nothing about polycom in particular...
>|
>|Marty
>|
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