[Asterisk-Users] Echo on Zaptel FXO :(

[Rich Adamson]

Try echotraining=800 in zapata.conf 

------------------------
  From: Ian Chilton <mailinglist at ichilton.co.uk>
  Subject: [Asterisk-Users] Echo on Zaptel FXO :(
  Date: Sat, 8 Jan 2005 22:02:43 +0000 
  To: asterisk-users at lists.digium.com


> Hi All,
> 
> I've got an MD3200 modem which is working as a Zaptel FXO interface for
> Asterisk (X100P clone I believe). It seems to work, but on incoming or
> outgoing calls I can hear the other party ok but when I speak, I hear
> my voice echo back at me (quite quietly but it's distracting!) on
> everything I say. The other party doesn't seem to hear the echo - they
> just say I sound a bit quiet.
> 
> Someone suggested I play with the rxgain and txgain but this didn't seem
> to help. Is there anything I can do? - or is it a problem with my fxo
> card or zaptel cards in general?
> 
> I'm running Asterisk 1.0.2-2 on Debain Linux (with zaptel 1.0.0-2) and
> i've got the modem connected to an NTL phone line in the UK. Here is my
> config's:
> 
> /etc/zaptel.conf:
> 
> fxsls=1
> loadzone=uk
> defaultzone=uk
> 
> 
> /etc/zapata.conf:
> 
> [channels]
>   context=incoming_pstn
>   signalling=fxs_ls
>   usecallerid=yes
>   echocancel=yes
>   echocancelwhenbridged=yes
>   echotraining=yes
>   rxgain=0.0
>   txgain=0.0
>   channel => 1
> 
> 
> ztcfg -vvv:
> 
> Zaptel Configuration
> ======================
> 
> Channel map:
> 
> Channel 01: FXS Loopstart (Default) (Slaves: 01)
> 
> 1 channels configured.
> 
> 
> Any advice would be greatly apprciated!
> 
> 
> Thanks!
> 
> --ian
> 
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