[Asterisk-Users] zaptel fxotune.c tool

[Brian McSpadden]

>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)
<asterisk at markovprocesses.com> 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)
> 
> _______________________________________________
> Asterisk-Users mailing list
> Asterisk-Users at lists.digium.com
> http://lists.digium.com/mailman/listinfo/asterisk-users
> To UNSUBSCRIBE or update options visit:
>    http://lists.digium.com/mailman/listinfo/asterisk-users
>