[trunkgroups]

[channels]

signalling=fxs_ks
echocancel=yes
echocancelwhenbridget=yes
echotraining=400
;callerid=asreceived
usecallerid=no
context=incoming
group=1
channel => 1

signalling=fxo_ks
echocancel=yes
echocancelwhenbridget=yes
echotraining=400
;callerid=asreceived
usecallerid=no
callerid=482
context=default
group=2
channel => 2