Try running the echo test from both the house side and the co (outside) side. That will let us know where the problem is.
Post results. Alex > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:asterisk-users- > [EMAIL PROTECTED] On Behalf Of Barry Fawthrop > Sent: Monday, October 02, 2006 6:46 AM > To: Asterisk Users Mailing List - Non-Commercial Discussion > Subject: [asterisk-users] Call Quality / Echo / Problems > > Hi all > I'm having a problem getting usable quality from my Asterisk setup. > > *SETUP* > 2 Ghz PC with 1 GB Ram with TDM 400p 1 x FXS to route to analog phones > in the house and 2 x FXO to receive calls and in the future faxes. > Gentoo Linux > > > Here is what I've done so far > (1) Moved theTDM 400p (FXS, , FXO, FXO) to it's own interrupt (It was > sharing in the past) > cat /proc/interrupts > CPU0 > 0: 10236724 XT-PIC timer > 1: 486 XT-PIC i8042 > 2: 0 XT-PIC cascade > 5: 40694267 XT-PIC wctdm <============== > 10: 196233 XT-PIC eth0 > 12: 225 XT-PIC i8042 > 14: 247177 XT-PIC ide0 > 15: 26 XT-PIC ide1 > NMI: 0 > LOC: 0 > ERR: 0 > MIS: 0 > > (2) I'm running the latest kernel > uname -r > 2.6.17- > > (3) I am running the latest Asterisk > Asterisk-1.2.12.1 Libpri-1.2.3 zaptel-1.2.8 > I compiled Zaptel with make clean ; make linux26 ; make install > > (4) ztmonitor has become my friend > the Ring sends the VU meter off the chart, but the voice is below half > way. > I have tried changing the rxgain, txgain but that doesn't improve > much. It raises the Volume and I can heard better. > But the "feedback" (What I hear of myself in my analog headset) is off > tone , too loud and poor > > (5) ztspeed reports > Count: 254114 (Not sure if that is good or bad) ??? > > (6) zttest reports > --- Results after 474 passes --- > Best: 100.000000 -- Worst: 92.578125 -- Average: 99.713476 > > (7) I have even run ./fxotune > which generated /etc/fxotune.conf > 3=3,0,0,0,0,0,0,0,0 > 4=4,0,0,0,0,0,0,0,0 > Found > http://www.voip-info.org/wiki/view/Asterisk+fxotune > But the -d -b 3 doesn't work only -i and -s are allowed. > > > PROBLEM > The Call tone has a tin can sound (too much highs and not enough lows, > for those with musical backgrounds) > The Volume has improved. It did sound like I was talking behind my hand > in front of my mouth, but not anymore. > > The is a static HISSS that randomly comes and goes and gets so loud that > it drowns out whatever the calling party is trying to say. > It can be heard on both ends but very Loud on the FXS connected phone > > Any Ideas What I can try next > > Thanks All > > Barry > > > _______________________________________________ > --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