[asterisk-users] ECHO Cancellation in SIP Calls

[Tzafrir Cohen]

On Thu, Oct 26, 2006 at 12:18:20PM +0200, Stefan Agethen wrote:
> Hi,
> 
> i am from Germany, so excuse my School English.
> 
> I use Asteriks 1.2.12.1, zaptel 1.2.9 and mISDN Rc25 - since my update 
> of Asterisk 2 wooks ago, Echos accure in my SIP Calls.
> 
> I use SNOM 360, sometimes there is no echo (for example if i call myself 
> via SIP->Asterisk->SIPProvider->TELEKOM->ISDN)
> but if i call other people there occures Echo many times. The Routing is 
> always the same :
> SIP (SNOM) -> Asterisk -> VoIPProvider -> ISDN/POTS
> 
> Can i control the cancellation with the zapata.conf ?

Sure, but only for Zaptel channels. Not for mISDN channels. If you use
ZapBRI, this would be the place to configure echo cancelling.

-- 
               Tzafrir Cohen       
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