[asterisk-gui] Echo Canceling

[Matt Sales]

It has been my experience in the past that running fxotune on your system
will clear up most echo issues.  Read more about it here:

http://www.voip-info.org/wiki/view/Asterisk+fxotune



On Fri, Oct 9, 2009 at 3:58 PM, Bob Crandell <robert at assuredcomp.com> wrote:

> 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
>> >
>> > _______________________________________________
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>>
>
>
>
> --
> 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
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