Zaptel.conf:
loadzone=au
defaultzone=au
fxsks=1 #X100P
defaultzone=au

Zapata.conf:
[channels]
signalling=fxs_ks
context=incoming-pots
usecallerid=yes
callerid=asreceived
busydetect=yes
echocancel=yes
echocancelwhenbridged=no
rxgain=1.0
txgain=0.8
busycount=8
group=1
callprogress=no
channel=>1 ;X100P