[asterisk-users] echo on TE122

[Shaun Ruffell]

On 10/20/2010 03:20 AM, Ron wrote:
> I have setup a asterisk with freepbx, a TE122 and i have an ISDN.
> My problem now is that callers are experiencing echo. checked on dmesg i 
> saw this:
> 
> # dmesg -c
> dahdi: Disabled echo canceller NLP because of CED rx detected on channel 2
> 

That's saying that the echo canceller activated for channel 2 is
disabled because it believes that the far side is a fax machine or modem.

> i searched google but found no soolution and i have no idea what that 
> error means.
> below are other details that might be of value.

If you're not actively trying to run faxes through your system, you
could try enabling CONFIG_DAHDI_NO_ECHOCAN_DISABLE in
include/dahdi/dahdi_config.h.

Cheers,
Shaun

-- 
Shaun Ruffell
Digium, Inc. | Linux Kernel Developer
445 Jan Davis Drive NW - Huntsville, AL 35806 - USA
Check us out at: www.digium.com & www.asterisk.org