[Asterisk-Dev] Echo with iaxcomm

Michael Van Donselaar mvand at vandonselaar.org
Wed Mar 24 15:03:43 MST 2004


On Wed, 24 Mar 2004 14:34:57 -0500, <sudhir1 at adelphia.net> wrote:

>I am trying to use IAXComm softphone on my linux PC. My Asterisk server has a T1 card and Global Crossing's T1 coming to it. The prblem is when I get a call from a PSTN line to my iaxcomm, (or iaxcomm to PSTN), there is a terrible echo on the PSTN side. As soon as you speak anything on the PSTN phone, background fills with loud hissing type sound, while surprisiningly, voice on iaxcomm side is ok.
>
>I tried playing with different values of echocancel and echotraining but no luck. I did not mess with the default setting of codecs, hence they both are using gsm I guess.
>
>Any suggestions on how to make it better?

Perverse as it may sound, try shutting OFF echo cancellation on  iaxComm.

I get best results with echo cancellation off, deNoise on.

What kind of results do you get with a sip phone?
>
>Thanks,
>-- sudhir  
>
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