On Thu, 29 Jun 2006, Benjamin Sebbah wrote: > ----- 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?
Maybe the card/driver has a problem. IRQ issue? Armin > > > > > > 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 > _______________________________________________ --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
