dcippbx04*CLI> dial *810144896253032@default
    -- Executing Dial("OSS/dsp", "Zap/g1/0144896253032|50|Hh") in new stack
    -- Requested transfer capability: 0x00 - SPEECH
    -- Called g1/0144896253032
  == Primary D-Channel on span 1 down
    -- Hungup 'Zap/1-1'
  == Everyone is busy/congested at this time (1:0/0/1)
  == Primary D-Channel on span 1 down
dcippbx04*CLI> zap show status
Description                              Alarms     IRQ        bpviol     CRC4      
Digium Wildcard TE110P T1/E1 Card 0      OK         0          0          0         
 << Hangup on console >> 
dcippbx04*CLI> hangup
No call to hang up
dcippbx04*CLI> set verbose 99
Verbosity is at least 99
dcippbx04*CLI> set verbose 999
Verbosity was 99 and is now 999
dcippbx04*CLI> dial *810144896253032@default
    -- Executing Dial("OSS/dsp", "Zap/g1/0144896253032|50|Hh") in new stack
Feb 22 12:26:31 NOTICE[8591]: app_dial.c:1040 dial_exec_full: Unable to create channel of type 'Zap' (cause 34 - Circuit/channel congestion)
  == Everyone is busy/congested at this time (1:0/1/0)
 << Hangup on console >>