trixbox*CLI> set verbose 5
Verbosity was 1 and is now 5
    -- Executing NoOp("SIP/166-08cc6248", "Received incoming SIP connection from unknown peer to 600") in new stack
    -- Executing Set("SIP/166-08cc6248", "DID=600") in new stack
    -- Executing Goto("SIP/166-08cc6248", "s|1") in new stack
    -- Goto (from-sip-external,s,1)
    -- Executing Ringing("SIP/166-08cc6248", "") in new stack
    -- Executing GotoIf("SIP/166-08cc6248", "0?from-trunk|600|1") in new stack
    -- Executing Set("SIP/166-08cc6248", "TIMEOUT(absolute)=15") in new stack
    -- Channel will hangup at 2007-07-03 18:13:44 UTC.
    -- Executing Answer("SIP/166-08cc6248", "") in new stack
    -- Executing Wait("SIP/166-08cc6248", "2") in new stack
    -- Executing Playback("SIP/166-08cc6248", "ss-noservice") in new stack
    -- Playing 'ss-noservice' (language 'en')
    -- Executing PlayTones("SIP/166-08cc6248", "congestion") in new stack
    -- Executing Congestion("SIP/166-08cc6248", "5") in new stack
  == Spawn extension (from-sip-external, s, 8) exited non-zero on 'SIP/166-08cc6248'
    -- Executing NoOp("SIP/166-08cc6248", "Hangup") in new stack
    -- Executing Set("SIP/166-08cc6248", "DID=s") in new stack
    -- Executing Goto("SIP/166-08cc6248", "s|1") in new stack
    -- Goto (from-sip-external,s,1)
    -- Executing Ringing("SIP/166-08cc6248", "") in new stack
    -- Executing GotoIf("SIP/166-08cc6248", "0?from-trunk|s|1") in new stack
    -- Executing Set("SIP/166-08cc6248", "TIMEOUT(absolute)=15") in new stack
    -- Channel will hangup at 2007-07-03 18:13:52 UTC.
    -- Executing Answer("SIP/166-08cc6248", "") in new stack
  == Spawn extension (from-sip-external, s, 4) exited non-zero on 'SIP/166-08cc6248'