[root@keiserver asterisk]# ztcfg -vvvvv
Notice: Configuration file is /etc/zaptel.conf
line 24: Unable to read Zaptel version information.

Zaptel Version: Unknown
Echo Canceller: Unknown
Configuration
======================


Channel map:

Channel 01: FXS Kewlstart (Default) (Slaves: 01)
Channel 04: FXS Kewlstart (Default) (Slaves: 04)

2 channels to configure.

ZT_CHANCONFIG failed on channel 1: Inappropriate ioctl for device (25)