[trunkgroups]

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

hidecallerid=no
callwaiting=yes
usecallingpres=yes
threewaycalling=yes
transfer=yes
canpark=yes
cancallforward=yes
callreturn=yes
mailbox=1234
echocancel=yes
echocancelwhenbridged=yes
rxgain=0.0
txgain=0.0
group=1
callgroup=1
pickupgroup=1

immediate=no





Group=1
signalling=fxo_ks
context=Internal
channel => 1

Group=2
echocancel=yes
signalling=fxs_ks
context=Incoming
channel => 4