[channels]
language=en
context=from-pstn
switchtype=euroisdn
signalling=pri_cpe
;signalling=pri_net
usecallerid=yes
hidecallerid=no
callwaiting=yes
usecallingpres=yes
callwaitingcallerid=yes
threewaycalling=yes
transfer=yes
cancallforward=yes
callreturn=yes
echocancel=yes
echocancelwhenbridged=no
echotraining=800
rxgain=0.0
txgain=0.0
callgroup=1
pickupgroup=1
immediate=no
resetinterval = never

group = 0
channel => 1-15
channel => 17-31