[channels]
rxwink=300
usecallerid=yes
hidecallerid=no
restrictcid=no
resetinterval=never
callwaiting=no
usecallingpres=yes
echocancel=yes
immediate=no
signalling = pri_cpe
context = incoming
switchtype = national
pridialplan = national
rxgain = -1.0
txgain = -1.0
faxdetect=no
relaxdtmf=yes
group=1
channel => 1-23,25-47