[trunkgroups]
[channels]
context=default
signalling=fxs_ks
cidsignalling=bell
hidecallerid=no
callwaiting=yes
usecallingpres=yes
callwaitingcallerid=yes
threewaycalling=yes
transfer=yes
cancallforward=yes
callreturn=yes
echocancel=yes
echocancelwhenbridged=yes
rxgain=0.0
txgain=0.0
immediate=no
busydetect=yes
busycount=6
callprogress=yes
channel => 1