# cat /proc/zaptel/*

Span 1: WCTDM/0 "Wildcard TDM400P REV E/F Board 1"

           1 WCTDM/0/0 FXOKS
           2 WCTDM/0/1 FXOKS
           3 WCTDM/0/2
           4 WCTDM/0/3


#################### /etc/asterisk/zapata.conf

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

context=incoming
signalling=fxs_ks
channel =>1

##################### /etc/zaptel.conf

fxoks=1
loadzone = us
defaultzone=us


##################### DEBUG


irc*CLI> zap restart
 Destroying channels and reloading zaptel configuration.
  == Parsing '/etc/asterisk/zapata.conf': Found
[Oct  4 10:29:17] WARNING[3069]: chan_zap.c:929 zt_open: Unable to specify channel 1: No such device
[Oct  4 10:29:17] ERROR[3069]: chan_zap.c:7107 mkintf: Unable to open channel 1: No such device
here = 0, tmp->channel = 1, channel = 1
[Oct  4 10:29:17] ERROR[3069]: chan_zap.c:10405 build_channels: Unable to register channel '1'
[Oct  4 10:29:17] WARNING[3069]: chan_zap.c:9708 zap_restart: Reload channels from zap config failed!