I have several production systems with tdm400p.

Do you have any IRQ conflict? cat /proc/interrupts

Did you try changing the pci slot?

Maybe the fxo module is damaged? did you try changing it to another place of the
card? I don't know if this can help, anyone?



Quoting canuck15 <[EMAIL PROTECTED]>:


Alfredo,

I tried a regular telco PSTN and a VoIP provider (webcall.ca using their
Nortel ATA connected to the TDM01B).  Both have very similar echo problems
using completely different wiring so I am quite convinced it has nothing to
do with the PSTN or wiring.

By the way, I sound just fine to the person on the other end.  They hear
absolutely no echo and say I sound crystal clear.

I also want to say that I am encouraged at the optimistic responses so far.
It tells me that there is hope if so many people feel this can work today
with existing hardware.

-----Original Message-----
From: Alfredo J. Fabretti [mailto:[EMAIL PROTECTED]
Sent: Wednesday, August 24, 2005 3:18 PM
To: [email protected]
Subject: Re: [Asterisk-Users] Will Echo problems EVER be solved, I'm scared

Try to use another land line and test the echo problem again.
Do you have any DSL service running in that line?



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