`ztcfg -vvvv`

Notice: Configuration file is /etc/zaptel.conf
line 0: Unable to open master device '/dev/zap/ctl'

1 error(s) detected

`modprobe wctdm && lsmod | grep zap`

zaptel                191492  1 wctdm
crc_ccitt               6081  1 zaptel

`cat /proc/interupts`
           CPU0       CPU1       
  0:     436808     445058    IO-APIC-edge  timer
  1:          5          4    IO-APIC-edge  i8042
  8:          0          5    IO-APIC-edge  rtc
  9:          0          0   IO-APIC-level  acpi
 14:       3813       3431    IO-APIC-edge  ide0
 50:          0      20160         PCI-MSI  eth0
169:          0          0   IO-APIC-level  uhci_hcd, ehci_hcd
177:          0          0   IO-APIC-level  uhci_hcd
185:          0          0   IO-APIC-level  uhci_hcd
193:          0          0   IO-APIC-level  uhci_hcd
217:         50        299   IO-APIC-level  uhci_hcd
233:       2643       4015         PCI-MSI  cciss0
NMI:          0          0 
LOC:     881197     882327 
ERR:          0
MIS:          0
total 0

`ls -l /dev/zap`
crw-------  1 root root 196, 254 Mar 24 09:45 channel
crw-------  1 root root 196,   0 Mar 24 09:45 ctl
crw-------  1 root root 196, 255 Mar 24 09:45 pseudo
crw-------  1 root root 196, 253 Mar 24 09:45 timer


`cat /etc/asterisk/zapata.conf`
[trunkgroups]

[channels]
usecallerid=yes
hidecallerid=no

echocancel=yes
echotraining=yes

context=init
signalling=fxs_ks
channel => 1

`cat /etc/zaptel.conf`
#
# Zaptel Configuration File
#

fxsks=1

loadzone = us

defaultzone=us