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zapata.config

[channels]
context=incoming
switchtype=national
signalling=pri_cpe
rxwink=300		; Atlas seems to use long (250ms) winks
usecallerid=yes
hidecallerid=no
callwaiting=yes
usecallingpres=yes
callwaitingcallerid=yes
threewaycalling=yes
transfer=yes
cancallforward=yes
callreturn=yes
echocancel=64
echocancelwhenbridged=yes
echotraining=800
#rxgain=10.0
#txgain=-4.5
rxgain=0
txgain=0
group=2
callgroup=1
pickupgroup=1
immediate=no
musiconhold=default

switchtype=national
signalling=pri_cpe
context=incoming
group=2
channel => 1-23

signalling=fxs_ks
context=incoming
group=7
relaxdtmf=yes
echocancel=64
rxgain=2
txgain=1
echotraining=yes
echocancelwhenbridged=yes
channel => 25-28

signalling=fxo_ks
context=internal
mailbox=2550
callerid=Analog P1 <2550>
group=3
rxgain=0
txgain=0
channel => 29
callgroup=1
pickupgroup=1


signalling=fxo_ks
context=internal
mailbox=2551
callerid=Analog P2 <2551>
group=4
rxgain=0
txgain=0
channel => 30
callgroup=1
pickupgroup=1


signalling=fxo_ks
context=internal
mailbox=2552
callerid=Analog P3 <2552>
group=5
rxgain=0
txgain=0
channel => 31
callgroup=1
pickupgroup=1


signalling=fxo_ks
context=internal
mailbox=2553
callerid=Analog P4 <2553>
group=6
rxgain=0
txgain=0
channel => 32
callgroup=1
pickupgroup=1

zaptel.conf

loadzone = us
defaultzone=us

span=1,1,0,esf,b8zs
bchan=1-23
dchan=24

fxsks=25-28
fxoks=29-32