-- Executing Goto("SIP/1001-c4b5", "incoming|s|3") in new stack
    -- Goto (incoming,s,3)
    -- Executing SetMusicOnHold("SIP/1001-c4b5", "default") in new stack
    -- Executing DigitTimeout("SIP/1001-c4b5", "5") in new stack
    -- Set Digit Timeout to 5
    -- Executing ResponseTimeout("SIP/1001-c4b5", "10") in new stack
    -- Set Response Timeout to 10
    -- Executing BackGround("SIP/1001-c4b5", "play4") in new stack
    -- Playing 'play4' (language 'en')
  == CDR updated on SIP/1001-c4b5
    -- Executing Dial("SIP/1001-c4b5", "SIP/2001|20|M") in new stack
    -- Called 2001
    -- SIP/2001-2522 is ringing
Aug 23 14:20:54 WARNING[1125124912]: channel.c:1404 ast_indicate: Unable to handle indication 3 for 'SIP/1001-c4b5'
    -- SIP/2001-2522 is ringing
    -- SIP/2001-2522 is ringing
  == Spawn extension (incoming, 2, 1) exited non-zero on 'SIP/1001-c4b5'