vml000177*CLI> 
    -- Accepting AUTHENTICATED call from 10.0.10.122:50548:
    --        > requested format = gsm,
    --        > requested prefs = (),
    --        > actual format = gsm,
    --        > host prefs = (gsm|ilbc|speex|g729|g723),
    --        > priority = mine
    -- Executing [600@default:1] Playback("IAX2/33-15362", "demo-echotest") in new stack
    -- <IAX2/33-15362> Playing 'demo-echotest.gsm' (language 'de')
    -- Executing [600@default:2] Echo("IAX2/33-15362", "") in new stack
    -- Executing [600@default:3] Playback("IAX2/33-15362", "demo-echodone") in new stack
    -- <IAX2/33-15362> Playing 'demo-echodone.gsm' (language 'de')
    -- Executing [600@default:4] Goto("IAX2/33-15362", "s,6") in new stack
    -- Goto (default,s,6)
    -- Executing [s@default:6] BackGround("IAX2/33-15362", "demo-instruct") in new stack
    -- <IAX2/33-15362> Playing 'demo-instruct.gsm' (language 'de')
    -- Executing [2@default:1] BackGround("IAX2/33-15362", "demo-moreinfo") in new stack
    -- <IAX2/33-15362> Playing 'demo-moreinfo.gsm' (language 'de')
  == Spawn extension (default, 2, 1) exited non-zero on 'IAX2/33-15362'
    -- Hungup 'IAX2/33-15362'