[asterisk-gui] Echo Canceling

Bob Crandell robert at assuredcomp.com
Fri Oct 9 14:58:58 CDT 2009


Andrew,

These are POTS lines.

If it's glare then what do I change?

I'm kind of hoping I can make these adjustments in the GUI.  Is it possible?

How do you have yours set?

Thanks

On Fri, Oct 9, 2009 at 10:55 AM, Andrew Latham <Andrew.Latham at tuxtone.com>wrote:

> Bob
>
> On to the fun topic of audio quality....  The (echo, glare, volume)
> canceler is getting "trained" during your call so that is why it fixes
> its self.  If you are using POTS for your trunk lines then you will
> want to work on the DAHDI/Zaptel settings to resolve any issues.  You
> may be dealing with glare instead of echo.
>
> http://en.wikipedia.org/wiki/Echo_(phenomenon)<http://en.wikipedia.org/wiki/Echo_%28phenomenon%29>
>
> To fix you can enable and fine tune settings in your DAHDI/Zaptel
> settings files and restart both Asterisk and DAHDI/Zaptel.
>
>
> ~
> Andrew "lathama" Latham
> Andrew.Latham at TuxTone.com
>
> * Learn more about OSS http://en.wikipedia.org/wiki/Open-source_software
> * Learn more about Linux http://en.wikipedia.org/wiki/Linux
> * Learn more about Tux http://en.wikipedia.org/wiki/Tux
>
>
>
> On Fri, Oct 9, 2009 at 1:43 PM, Bob Crandell <robert at assuredcomp.com>
> wrote:
> > Hi,
> >
> > My next challenge is canceling the echo when I make or receive a call.
> > Right now the echo lasts for the first few seconds after the call is
> > answered then stops.
> > There is no echo when calling an extension.
> > Under Configure hardware is software echo canceller.  I tried a couple of
> > things there that didn't make a noticable difference.
> > Under Advanced Options/SIP Settings there is Jitter Buffer which might
> have
> > made a tiny difference.
> >
> > What are you guys doing about this?
> >
> > Thanks
> > --
> > Bob Crandell
> > Assured Computing, Inc.
> > 541-868-0331
> > ComputerBase
> > 541-349-0404
> >
> > _______________________________________________
> > --Bandwidth and Colocation Provided by http://www.api-digital.com--
> >
> > asterisk-gui mailing list
> > To UNSUBSCRIBE or update options visit:
> >   http://lists.digium.com/mailman/listinfo/asterisk-gui
> >
>



-- 
Bob Crandell
Assured Computing, Inc.
541-868-0331
ComputerBase
541-349-0404
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.digium.com/pipermail/asterisk-gui/attachments/20091009/897f4a0b/attachment.htm 


More information about the asterisk-gui mailing list