[Asterisk-Users] Echo Canceling

[Tad Heckaman]

zaptel Disabled echo canceller because of tone (rx) on channel 16
I just did dmesg -c and thats what I got... I think there was a call
allready in progress. Whats that about?

On 10/4/05, Andrew Kohlsmith <akohlsmith-asterisk at benshaw.com> wrote:
> On Tuesday 04 October 2005 10:37, Tad Heckaman wrote:
> > the middle of nowhere). We get slight echo on all calls, and when
> > calling some numbers (long distance calls but still in the local
> > area), we get very loud echo. The person calling out can hear their
> > own voice at the same volume about a half second after they speak. Its
>
> We get that with our Bell Canada PRI only on certain (local) exchanges.  I'm
> not exactly sure what is causing it but it's been a problem since we
> installed the PRI.
>
> > Would switching to Sangoma cards help fix my issues? I know Digium
> > cards have issues on some servers/motherboards, and yet I haven't
> > heard of any issues with Sangoma cards. If someone has had issues then
> > I would like to hear them.
>
> I doubt it, the echo can seems to be working just fine, but in your case (and
> mine) it seems like it must be getting disabled.  I must admit it's been a
> while since I've dove into this problem, but if you execute dmesg -c on the
> asterisk box, make a call that will echo, and execute dmesg -c again, is
> there any mention of "echo canceller disabled on channel 5" in the resultant
> output?
>
> -A.
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--
Tad Heckaman