OSLEC (open source line echo canceler) = Software Echo Canceler...
~ Andrew "lathama" Latham [email protected] * 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 Mon, Oct 12, 2009 at 9:35 AM, Bob Crandell <[email protected]> wrote: > What is OSLEC? > > On Sat, Oct 10, 2009 at 7:27 PM, Greg Nutt <[email protected]> wrote: >> >> I personally ended up removing the hardware canceler from our TDM404E and >> just used OSLEC. I tried unsuccessfully for a month to get the hardware >> canceler to work, but no matter what I still ended up with echo is some >> scenarios. OSLEC has been the best solution from my experience. >> >> Greg >> >> Matt Sales wrote: >> >> 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 <[email protected]> >> 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 >>> <[email protected]> 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) >>>> >>>> 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 >>>> [email protected] >>>> >>>> * 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 <[email protected]> >>>> 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 >>> >>> _______________________________________________ >>> --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 >> >> ________________________________ >> _______________________________________________ >> --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 >> >> _______________________________________________ >> --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 > > _______________________________________________ > --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 > _______________________________________________ --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
