[trunkgroups]

[channels]

language=en
context=from-pstn
signalling=pri_cpe ; pri_cpe = PRI slave ; pri_net = PRI master
switchtype=national
resetinterval=86400
priindication=outofband
tonezone=us

usecallerid=yes
callerid=asreceived
hidecallerid=no
callwaiting=yes
usecallingpres=yes
callwaitingcallerid=yes
threewaycalling=yes
transfer=yes
cancallforward=yes
callreturn=yes
echocancel=yes
echocancelwhenbridged=yes
echotraining=800
rxgain=-10.0 ; was -8
txgain=-10.0
group=0
callgroup=1
pickupgroup=1
immediate=no
adsi=no

faxdetect=incoming
channel => 1-23 ; Set this to 1-15,17-31 for E1