On Oct 27, 2005, at 12:18 AM, [EMAIL PROTECTED] wrote:


[EMAIL PROTECTED] wrote on 10/26/2005 05:09:30 PM:

 > On Oct 26, 2005, at 3:40 PM, Mark Quitoriano wrote:
 >
> > Hi list, i'm having a problem with asterisk+pstn termination, i just
 > > bought a TDM400p and connect my phone line(bellsouth) now when im
> > using the pstn through asterisk there's an echo, i don't know if this
 > > is already have been resolved. If it does please point me to the
 > > instruction how to resolve this.
 >
> Try reading README.fxotune and using fxotune to see if it improves it.  

If you do an fxotune and all of the coefficients are 0, does this mean that fxotune is not making any changes?

I've got 6 lines that are coming from a channel bank into two TDM cards and have significant echo, even with Asterisk HEAD and KB1.  I just ran fxotune, and all 6 lines came back with all 0's in fxotune.conf...


Try the new echo canceller in head. It's an update to KB1 called MG2. You'll have to enable it in zconfig.h kind like with KB1. You can post feedback to bug #5120 on mantis.

Matthew Fredrickson

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