Connected to Asterisk 1.4.5 currently running on Asterisksal (pid = 4516)
    -- Remote UNIX connection
Verbosity is at least 40
    -- Executing [9328300@internal:1] Dial("SIP/108-009d66a0", "Zap/g1/328300") in new stack
    -- Requested transfer capability: 0x00 - SPEECH
    -- Called g1/328300
    -- Zap/1-1 is proceeding passing it to SIP/108-009d66a0
    -- Channel 0/1, span 1 got hangup request
    -- Hungup 'Zap/1-1'
  == Everyone is busy/congested at this time (1:0/0/1)
  == Auto fallthrough, channel 'SIP/108-009d66a0' status is 'CHANUNAVAIL'
Asterisksal*CLI>