Mine

[root@asterisk etc]# service zaptel start
Loading zaptel framework:                                  [  OK  ]
Waiting for zap to come online ...OK
Loading zaptel hardware modules: 
Running ztcfg:  ZT_CHANCONFIG failed on channel 1: No such device or address (6)
                                                           [FAILED]

/etc/zaptel.conf
loadzone=us
defaultzone=us
fxsks=1
fxoks=2