[Asterisk-Users] SIP Softphone Echo!!

[WipeOut .]

I am using a plantronics headset.. so as far as I know the echo is not
being caused by the mic picking up what is coming out of the headphones.

I have looked at all the settings in the software and I can't find any
echo cancellation features..

Oh well, guess its time to look for another SoftPhone... :)


----- Original Message -----
From: "John Harragin" <jharragi at mw.k12.ny.us>
Date: Fri, 21 Mar 2003 22:49:17 -0500 
To: <asterisk-users at lists.digium.com>
Subject: Re: [Asterisk-Users] SIP Softphone Echo!!

> It is the responsibility of your device (SJpnone, mic/speaker & pc) to
> handle  it's half of the echo problem (prevent what is playing in the
> speaker from being picked up in the microphone.
> 
> I played with sjphone months ago with mic & speakers and experienced the
> same trouble. I would expect it to work much much better with headphones
> instead of pc speakers (the test licence expired before I could check this
> out).
> 
> > Are there any parameters I can use in the sip.conf
> > or anywhere else to reduce the echo??
> >
> > When making a PSTN call from the phone on the S100U
> > there is no echo at all.. ( I have echocancel=yes
> > and echocancelwhenbridged=yes in zapata.conf )
> 
> You are handling the asterisk end here. In fact echocancelwhenbridged=no
> should be fine as well. If you are connecting sip calls to telco or pbx it
> may be beneficial to uncomment KFLAGS+=-DAGGRESSIVE_SUPPRESSOR in the zaptel
> Makefile then make install.
> 
> John
> 
> _______________________________________________
> Asterisk-Users mailing list
> Asterisk-Users at lists.digium.com
> http://lists.digium.com/mailman/listinfo/asterisk-users

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