[Asterisk-Users] Echo Canceling

Tad Heckaman douglash at gmail.com
Tue Oct 4 08:02:43 MST 2005


After doing a quick search, it appears that maybe a bellsouth echo can
is turning my echo can off? How do I tell zaptel to leave it on,
regardless if it recieves that tone?

On 10/4/05, Tad Heckaman <douglash at gmail.com> wrote:
> 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
>


--
Tad Heckaman



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