h323.conf
[general]
port = 1720
bindaddr = 66.187.65.77      
UserByAlias=no
;tos=lowdelay
disallow=all
allow=g729
allow=ulaw
dtmfmode=rfc2833
;dtmfcodec=101
;gatekeeper = DISABLE
;AllowGKRouted = yes
context=default

[box1]
type=peer
host=67.187.65.78
disallow=all
allow=g729



extensions.conf

[default]
exten => _X.,1,Dial(Zap/G1/${EXTEN})

zapata.conf
[channels]
jitterbuffers=24
language=en
echocancel=yes
echocancelwhenbridged=yes
rxgain=0.0
txgain=0.0

; access tandem
group=1
callerid=asreceived
immediate=no
facilityenable=no
usecallerid=yes
busydetect=no
callprogress=yes
hidecallerid=no
callwaiting=no
usecallingpres=no
callwaitingcallerid=no
threewaycalling=no
transfer=no
cancallforward=no
callreturn=no
context=IXC
signalling=featdmf
channel => 1-24
channel => 25-48


zaptel.conf
span=1,1,0,esf,b8zs
e&m=1-24
span=2,0,0,esf,b8zs
e&m=25-48