;;General options
usecallerid=yes
hidecallerid=no
callwaiting=yes
threewaycalling=yes
transfer=yes
echocancel=yes
echocancelwhenbridged=yes
rxgain=0.0
txgain=0.0
;;FXO Modules
Group=2
echocancel=yes
signalling=fxs_ks
context=Incoming
channel=4