[asterisk-users] Snom 300 Echo

[Mike Dent]

On 07/02/2008, Brent Davidson <brent at texascountrytitle.com> wrote:
> We're deploying an asterisk-based phone system at all of our branch
> offices in an effort to eliminate long-distance costs incurred from the
> constant branch to branch calls.  We're using the Snom 300's at all
> offices for the desk phones and X100P cards to interface to 2 analog
> lines.  I'm having a problem tuning all the echo out of the system.  So
> far two branches are using the new system and they are both reporting
> echo on both incoming and outgoing calls.  The echo seems to be confined
> to the Snom 300 phones and is not heard by the person on the zap line.
> The echo is only the voice of the person using the Snom phone.  There
> doesn't seem to be any echo of the analog line audio.  I have tried
> adjusting the gain of the lines, turning on echo cancellation, Turning
> on echo training and nothing seems to work.  At one of the branches, I
> re-compiled asterisk and zaptel using the OSLEC drivers and that doesn't
> seem to have had any effect either.  What am I missing?
>
> Thanks,
> Brent Davidson

Brent,
OSLEC did it for me, the difference was light night and day. I
was not using X100P cards though but the principal is the same for
the Sangoma A200 I was using.
Mike