[root@localhost zaptel]# ls -la  /proc/zaptel/1 
-r--r--r--  1 root root 0 Sep 22 15:12 /proc/zaptel/1
[root@localhost zaptel]# cat /proc/zaptel/1 
Span 1: ZTDUMMY/1 "ZTDUMMY/1 1" 

[root@localhost zaptel]# asterisk -vdgcr
Parsing /etc/asterisk/asterisk.conf
Parsing /etc/asterisk/extconfig.conf
Asterisk CVS-HEAD, Copyright (C) 1999 - 2005 Digium.
Written by Mark Spencer <markster@digium.com>
=========================================================================
Connected to Asterisk CVS-HEAD currently running on localhost (pid = 23227)
    -- Remote UNIX connection
Verbosity is at least 5
localhost*CLI> zap 
destroy  show     
localhost*CLI> zap 
destroy  show     
localhost*CLI> zap show 
cadences  channel   channels  status    
localhost*CLI> zap show ch
channel   channels  
localhost*CLI> zap show channel
Usage: zap show channel <chan num>
        Detailed information about a given channel
localhost*CLI> zap show channels
   Chan Extension  Context         Language   MusicOnHold         
 pseudo            default                                        
localhost*CLI> zap show status 
Description                              Alarms     IRQ        bpviol     CRC4      
ZTDUMMY/1 1                              UNCONFIGUR          0          0          0