[trunkgroups]

[channels]
context=zapincoming
switchtype=euroisdn
signalling=pri_net
rxwink=300
usecallerid=yes
hidecallerid=no
callwaiting=yes
usecallingpres=yes
restrictcid=no
callwaitingcallerid=yes
callprogress=yes
busydetect=yes
busycount=5
threewaycalling=yes
transfer=yes
cancallforward=yes
callreturn=yes
echocancel=yes
echocancelwhenbridged=no
echotraining=400
rxgain=0.0
txgain=0.0
callgroup=1
pickupgroup=1
imediate=no
callerid=asreceived
musiconhold=default
resetinterval=never 

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

group=2
channel => 32-46
channel => 48-62