modprobe wcfxo
modprobe wcfxs
modprobe wct1xxp

# cat /etc/zaptel.conf
fxsks=1
fxoks=2
loadzone = us
defaultzone=us
span=3,1,0,esf,b8zs
bchan=6-28
dchan=29

Aug 27 15:18:44 WARNING[-1222242176]: Ignoring port for now
Aug 27 15:18:44 WARNING[-1222242176]: Unable to get our IP address, Skinny disabled
Aug 27 15:18:44 WARNING[-1222242176]: Unable to open /dev/dsp: No such device
Aug 27 15:18:44 WARNING[-1222242176]: Unable to specify channel 1: No such device or address
Aug 27 15:18:44 ERROR[-1222242176]: Unable to open channel 1: No such device or address
here = 0, tmp->channel = 1, channel = 1
Aug 27 15:18:44 ERROR[-1222242176]: Unable to register channel '1'
Aug 27 15:18:44 WARNING[-1222242176]: chan_zap.so: load_module failed, returning -1
Aug 27 15:18:44 WARNING[-1222242176]: Loading module chan_zap.so failed!