[channels]
language = en
switchtype = national
signalling = pri_cpe
pridialplan = local
prilocaldialplan = local
faxdetect = no
relaxdtmf = no
echocancel = yes
echocancelwhenbridged = no
echotraining = no
rxgain = 0
txgain = 0
context = [put-yours-here]
group = 1
channel => 1-23
signalling = fxo_ls
callwaitingcallerid = no
threewaycalling = no
transfer = no
cancallforward = no
callreturn = no
amaflags = default
callerid = "Analog 1" <1001>
context = [(context for this phone)]
group = 2
channel => 25
; repeeat this above block for 25-48 changing for each ext