- Saved useragent "X-PRO release 1103g" for peer triplef
    -- Executing Dial("SIP/triplef-7b94", "Zap/1/4189539088") in new stack
    -- Called 1/4189539088
    -- Zap/1-1 answered SIP/triplef-7b94
    -- Hungup 'Zap/1-1'
  == Spawn extension (default, 554189539088, 1) exited non-zero on 'SIP/triplef-7b94'