[channels] ; general settings usecallerid=yes callerid=asreceived hidecallerid=no callwaiting=yes usecallingpres=yes callwaitingcallerid=yes threewaycalling=yes transfer=yes cancallforward=yes callreturn=yes immediate=no ;callprogress=no ; to enable/disable music onhold musiconhold=default ;musiconhold=random ;faxdetect=incoming callerid=asreceived ;busydetect=no ; This tells asterisk to try and kill line ; echo using software detection. echotraining=yes echocancel=yes echocancelwhenbridged=yes ;rxgain=8.0 ;txgain=2.5 ; on advice from asterisk I shoved the following lines to the bottom of ; the config and bingo, no more echo ; lines for the FXO card ;switchtype=national signalling=fxs_ks group=1 context=eea;group=1 signalling=fxs_ks ; This seperates Lead Connections 1-888-436-8314 and group=1 context=leadcon channel => 2 ;channel=>1-4 channel=>1,3,4 ;channel=>2