[Asterisk-Users] chan_capi-cm-0.5 release announcement

Armin Schindler armin at melware.de
Thu Jun 23 01:30:54 MST 2005


On Thu, 23 Jun 2005, Massimo De Nadal wrote:
> Yes, I know. I was meaning the software thing.
> Diva server cancels echo via dsp only with new revisions boards (older boards
> are not able to run newer drivers with echo cancellation).

Which boards don't support that? If DSPs on board, echo-cancel should be 
available.

> Fritz cards don't cancel echo anyway.
> And echo squelch is only a trick that doesn't really solve the problem.
> 
> Is it possible to port zap echo cancelor to different channels like chan_capi
> ?

Yes, that should be possible. 
But I don't think a channel driver (and each channel driver) should do that 
on its own. Software echo cancelling belongs in a common part of Asterisk.

Armin
 
> Armin Schindler ha scritto:
> 
> > On Thu, 23 Jun 2005, Massimo De Nadal wrote:
> > 
> > 
> > > Have you planned to integrate some echo cancel feature ?
> > > 
> > > 
> > 
> > Echo cancelling (if the card supports it) is already implemented.
> > As far as I know the Eicon Diva Server cards are the only cards supporting
> > echo cancel via onboard DSPs.
> > 
> > Armin
> > 
> > 
> > 
> 
> 
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