----- Original Message ----- From: Armin Schindler <[EMAIL PROTECTED]> Date: Thursday, June 29, 2006 11:48 am Subject: Re: [Asterisk-Users] Very bad quality with AVM Fritz!card PCI and chan_capi
> On Thu, 29 Jun 2006, Benjamin Sebbah wrote: > > Hi everyone, > > > > I have Asterisk SVN-trunk-r7498 running for a few months and I'm > quite> happy with it. However, I am experiencing a quality issue > with my AVM > > Fritz!card PCI which is used with chan_capi. When somebody calls > me on > > this line he hears a lot of noise and I hear "scratches" and > "plops". It > > is very annoying. Below is is my /etc/asterisk/capi.conf > > I've tried to play with echotail and echosquelch but the quality is > > always terrible. > > > > Any suggestion is welcomed. > > echotail is for hardare-echo-cancel only (e.g. Eicon Diva Server) > and does > not change anything for AVM card. > Did you try to disable echosquelch? > > Why did you set rx/txgain to 0.5 ? Most people use 0.8, but I use > no gain by setting it to 1.0, which works here good. > > Armin Thanks for the answer, I did try to disable equosquelch but it doesn't change anything (by the way it is disabled right now). To see if the noise was a gain issue I tried to modify rx/txgain to see if it changed anything but it didn't so I let those two values at 0.5 Any other idea? Ben > > > Thanks, > > > > Ben > > > > </etc/asterisk/capi.conf> > > [general] > > rxgain=0.5 > > txgain=0.5 > > language=fr ;set default language > > ;ulaw=yes ;set this, if you live in u-law world instead of > a-law > > [ISDN1] > > > > isdnmode=DID ;'MSN' (point-to-multipoint) or 'DID' (direct > inward dial) > > ;when using NT-mode, 'DID' should be set in any > case> incomingmsn=* ;allow incoming calls to this list of > MSNs/DIDs, * = any > > controller=1 ;capi controller number to use > > group=9 ;dialout group > > softdtmf=on ;enable/disable software dtmf detection, > recommended> for AVM cards > > relaxdtmf=on ;in addition to softdtmf, you can use relaxed dtmf > > detection > > accountcode= ;Asterisk accountcode to use in CDRs > > context=capi-in ;context for incoming calls > > ;echosquelch=2 ;_VERY_PRIMITIVE_ echo suppression > > echocancel=yes ;EICON DIVA SERVER (CAPI) echo cancelation > > ;(possible values: 'no', 'yes', 'force', 'g164', > 'g165')> echocancelold=no ;use facility selector 6 instead of > correct 8 > > (necessary for older eicon drivers) > > echotail=128 ;echo cancel tail setting > > devices=2 ;number of concurrent calls on this controller > > ;(2 makes sense for single BRI, 30 for PRI) > > > > _______________________________________________ > > --Bandwidth and Colocation provided by Easynews.com -- > > > > Asterisk-Users mailing list > > To UNSUBSCRIBE or update options visit: > > http://lists.digium.com/mailman/listinfo/asterisk-users > > > _______________________________________________ > --Bandwidth and Colocation provided by Easynews.com -- > > Asterisk-Users mailing list > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-users > _______________________________________________ --Bandwidth and Colocation provided by Easynews.com -- Asterisk-Users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
