>From the Asterisk Daily News:
wctdm.c
LogMessage: Adding FXO module support for onboard echo cancellation
Comment: /* Set the digital echo canceller registers */
Details: It would appear that the chip on board the TDM400P cards is
capable of hardware echo cancellation. This has just been implemented
it seems.
fxotune.c
LogMessage: Small test program to set the echo cancellation mode on
the FXO module
Usage: fxotune [zap device] echocan [0-7]
Location: zaptel directory
On Mon, 10 Jan 2005 17:42:19 -0500, Andrei (MPI)
<[EMAIL PROTECTED]> wrote:
> Rich Adamson wrote:
>
> >I noticed the following came into cvs head yesterday:
> >
> >>Modified Files:
> >> fxotune.c wctdm.c wctdm.h
> >>Log Message:
> >>More TDM card echo API modifications. Making the fxotune program
> >>automatically
> >>find the correct coefficients for the module. Lots of neat stuff.
> >>
> >>
> >If I modify the fxotune.c statement:
> > for (i = 0; i < 255; i++) {
> >to start with i=1, then I get:
> >
> >
> I did the same thing, with the same result. Wondering... In fact, can't
> wait for this fxotune to be ready......
> It seems that I resolved most of the echo problem with TDM/FXO card, but
> it would be cool to do it the right way.
>
> --
> Andrei (MPI)
>
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