Matt Watson wrote: > Have you tuned rxgain & txgain in Zapata.conf? <shameless-self-plug> > http://www.mattgwatson.ca/2008/05/howto-tune-zaptel-dahdi-fxo-interfaces-on-asterisk-pbx/ > </plug> > > Also, have you used fxotune to tune each FXO interface? > > I believe echo cancellation happens at the Zaptel / DAHDI level, so using > Asterisk 1.6 probably isn't going to give you any benefit. > > > -- > Matt Watson > http://www.mattgwatson.ca > > FXOTune is apparently not compatible with the R4FXO cards. Here is the output:
fxotune -i Tuning module /dev/zap/1 Unable to set impedance on fd 4 Failure! Tuning module /dev/zap/2 Unable to set impedance on fd 4 Failure! /dev/zap/3 absent: No such device or address /dev/zap/4 absent: No such device or address /dev/zap/5 absent: No such file or directory /dev/zap/6 absent: No such file or directory /dev/zap/7 absent: No such file or directory . . {multiple lines of same basic message edited out} . /dev/zap/246 absent: No such file or directory /dev/zap/247 absent: No such file or directory /dev/zap/248 absent: No such file or directory /dev/zap/249 absent: No such file or directory /dev/zap/250 absent: No such file or directory /dev/zap/251 absent: No such file or directory /dev/zap/252 absent: No such file or directory Unable to tune 2 devices, even though those devices are present Thanks, Brent _______________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users