[root@keiserver asterisk]# cat /proc/zaptel/*
Span 1: WCTDM/0 "Wildcard TDM400P REV I Board 1"

           1 WCTDM/0/0 FXSKS (In use)
           2 WCTDM/0/1
           3 WCTDM/0/2
           4 WCTDM/0/3 FXSKS