[trunkgroups]

[channels]

usecallerid=yes
hidecallerid=yes
callwaiting=yes
usecallingpres=yes
callwaitingcallerid=yes
threewaycalling=yes
transfer=yes
cancallforward=yes
callreturn=yes
callerid=asreceived

switchtype=euroisdn
context=from-zaptel-port1
group=1
signalling=pri_cpe
channel => 1-15,17-31

switchtype=euroisdn
context=from-zaptel-port2
group=2
signalling=pri_cpe
channel => 32-46,48-62

switchtype=euroisdn
context=from-zaptel-port3
group=3
signalling=pri_net
channel => 63-77,79-93

switchtype=euroisdn
context=from-zaptel-port4
group=4
signalling=pri_cpe
channel => 94-108,110-124