-- Executing [496@default:1] Dial("SIP/404-b65b12f0", "Zap/g1/0015166xxxxxx|20|D(1)") in new stack
    -- Requested transfer capability: 0x00 - SPEECH
    -- Called g1/0015166xxxxxx
    -- Zap/3-1 is proceeding passing it to SIP/404-b65b12f0
    -- Zap/3-1 is ringing
    -- Zap/3-1 answered SIP/404-b65b12f0
    -- Sending DTMF '1' to the called party.
    -- Hungup 'Zap/3-1'
  == Spawn extension (default, 496, 1) exited non-zero on 'SIP/404-b65b12f0'
    -- Executing [h@default:1] Hangup("SIP/404-b65b12f0", "") in new stack