[Asterisk-Users] echo problem + choppy sound

[sdgesa gaeharth]

I have done this but I still get choppy sound and echo on some calls
  
  thanks

Giovanni Miano <giomiano at gmail.com> wrote:  Of course,
Echo is 2 types: electric and ambiental.

If u gain rx o tx more than you need, its return in recive and gen echo

Try to decrase value, try to set 0 or .. in samecase -1 -2...

  2006/3/13, sdgesa gaeharth <pollux1234567890 at yahoo.com>:  Can you explain why?

Giovanni Miano <giomiano at gmail.com  > wrote:
    rxgain=10.0
  txgain=10.0

   ????

Maybe this is a problem


2006/3/13, sdgesa gaeharth <  pollux1234567890 at yahoo.com  >:I  still hear a slight echo of my voice when I talk with somone out the  PSTN.  The voice on the other end sounds very choppy and a little  distorted. When I talk to other people within our office, the sound is  perfect.Can some help?
  
  We are all using:
  
  Polycom 501 <--> asterisk <--> PSTN
  
  zapata.conf:
  [channels]
  group = 1
  language=en
    context=incoming
  signalling=fxs_ks  
  switchtype=national
  usecallerid=yes
  hidecallerid=no
  callwaiting=yes
  musiconhold=default
  usecallingpres=yes
  callwaitingcallerid=yes
  threewaycalling=yes  
  transfer=yes
  canpark=yes  
  cancallforward=yes
  callreturn=yes
  echocancel=yes
  echotraining=yes
  echocancelwhenbridged=yes
  rxgain=10.0
  txgain=10.0
  channel => 1-4
    
  
  
      

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