[trunkgroups]

[channels]
context=default
switchtype=national
rxwink=300              ; Atlas seems to use long (250ms) winks

usecallerid=yes
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
group=1
callgroup=1
pickupgroup=1

immediate=no

signalling=fxo_ks
context=internal
channel => 1

signalling=fxo_ks
context=internal
channel => 2

signalling=fxs_ks
context=incoming
channel => 3

signalling=fxs_ks
context=incoming
channel => 4
~