zapata.conf

[trunkgroups]

[channels]
usecallerid=yes
hidecallerid=no
callwaiting=yes
threewaycalling=yes
transfer=yes
echocancel=yes
echotraining=yes
immediate=yes

context=topmenu
signalling=fxs_ks
channel => 1-2

-------------------------
zaptel.conf

#
# Zaptel Configuration File
#

fxsks = 1-2
loadzone = us
defaultzone=us

----------------------------

TDM402B = card