usb 4-1: configuration #1 chosen from 1 choice
usbcore: registered new driver wcusb
[root@fc50 ~]# ztcfg
ZT_CHANCONFIG failed on channel 1: No such device or address (6)
[root@fc50 ~]# ztcfg -vvvvvvvvvvvvv

Zaptel Configuration
======================


Channel map:

Channel 01: FXO Kewlstart (Default) (Slaves: 01)

1 channels configured.

ZT_CHANCONFIG failed on channel 1: No such device or address (6)
[root@fc50 ~]#                                      

[root@fc50 ~]# lsmod
Module                  Size  Used by
wcusb                  19328  0
zaptel                202244  1 wcusb


In /etc/zaptel.conf

fxoks=1