[Asterisk-Users] Echo on polycom sip phone

[John Baker]

Try the following in zapata.conf:

echocancel = 32
echocancelwhenbridged = yes
echotraining = yes
rxgain = -2
txgain = -2

These eliminated all echo problems for me with my Polycoms.

John

Chris HARIGA wrote:
> Hi,
> 
>  
> 
> We have Polycom IP600 and I fight with the same problem. I call Digium 
> and the guys tell me to play with echocancel and echotraining in 
> Zapata.conf.
> 
> I use the same X100P for the start and I cannot fix the problem with the 
> echo. Now I get a 4 FXO card and with “echotraining=yes” and 
> “rxwink=800” I have a crystal clear sound.
> 
>  
> 
> Best regards,
> 
>  
> 
> Chris HARIGA
> 
>  
> 
>  
> 
> ------------------------------------------------------------------------
> 
> *From:* asterisk-users-bounces at lists.digium.com 
> [mailto:asterisk-users-bounces at lists.digium.com] *On Behalf Of *Sean Garland
> *Sent:* Thursday, August 26, 2004 10:59 AM
> *To:* asterisk-users at lists.digium.com
> *Subject:* [Asterisk-Users] Echo on polycom sip phone
> 
>  
> 
> I have 2 of the X100P cards in my Mandrake 9.1 box, and 3 Polycom 500 
> phones.  I have a terrible echo problem.  It will be fine and then while 
> you are talking it gets really loud and distorted and then will die down 
> again.  The machine is a Duron 750 with 128 MB ram, is that enough?  I 
> am hoping that its my machine and upgrading will solve it.  But if not, 
> then I have a real problem. 
> 
> HELP!
> 
> Thanks
> 
> *Sean Garland*
> *Siskiyou Technology Consultants* s
> 
> 
> ------------------------------------------------------------------------
> 
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