[Asterisk-Users] Echo after upgrade * 1.05 -> 1.06

Matt Fredrickson creslin at digium.com
Mon Mar 21 13:20:51 MST 2005


On Sun, Mar 20, 2005 at 06:13:03PM +0100, Remco Barende wrote:
> 
> >>The echo is quite slow, I would estimate about half a second
> >>or even more!
> >
> >Wow, that's enormous - However your ears can easily deceive you on this. 
> >The
> >only way to know for sure is to record and analyse. Half a second would
> >imply its accoustic coming from the other end. Is it on all calls or only 
> >on
> >calls with certain people ? Is it when they call you, you call them or both
> >?
> 
> It could be deceiving indeed but the echo is slower than usually. I did 
> downgrade to asterisk 1.0.5 and the echo is less but still there. I did 
> not downgrade zaptel as I think it's not related. Or could it be a zaptel 
> timing problem?

The guts of the echo canceller are in zaptel.  You probably would want to try
downgrading zaptel as well just to verify.

Matthew Fredrickson



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