-- Executing AbsoluteTimeout("SIP/899060987899-2cba", "15") in new stack
    -- Set Absolute Timeout to 15
    -- Executing Congestion("SIP/899060987899-2cba", "") in new stack
  == Spawn extension (from-sip-external, 899060987899, 2) exited non-zero on 'SIP/899060987899-2cba'
    -- Executing AbsoluteTimeout("SIP/899060987899-2cba", "15") in new stack
    -- Set Absolute Timeout to 15
    -- Executing Congestion("SIP/899060987899-2cba", "") in new stack
  == Spawn extension (from-sip-external, h, 2) exited non-zero on 'SIP/899060987899-2cba'