[asterisk-users] TDM400P FXO click sounds

[shadowym]

Please explain to me how FXO tune would fix popping and clicking sounds??? 

-----Original Message-----
From: Matthew Fredrickson [mailto:creslin at digium.com] 
Sent: Wednesday, August 15, 2007 2:25 PM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [asterisk-users] TDM400P FXO click sounds

ggonzalez at telviso.com.ar wrote:
> Hello,
>  
> I have a TDM400P with 4 FXO ports, currently using three.  When 
> sending or receiving calls on this card, there is a nearly constant 
> popping/clicking sound, it is related to the echo cancellation?.  I 
> adjusted my gains properly, but to no avail.  I even found that 
> setting echotraining=no in zapata.conf didn't change the scenario at 
> all.  I've plugged analog handsets into the same jacks, and the line 
> is crystal-clear. Below is my zapata.conf, if you guys have any ideas 
> how I might resolve this, I'd appreciate it.  I have installed from 
> sources Asterisk 1.2.22 and zaptel-1.2.19 on a debian etch x86_64.

Have you tried running fxotune on it?  If you have (or haven't) make sure
you try the zaptel-1.4 version of fxotune.  It has improved significantly
since 1.2.

--
Matthew Fredrickson
Software/Firmware Engineer
Digium, Inc.