-- Starting simple switch on 'Zap/3-1'
    -- Executing Wait("Zap/3-1", "1") in new stack
    -- Executing Answer("Zap/3-1", "") in new stack
    -- Executing Dial("Zap/3-1", "SIP/104|40") in new stack
    -- Called 104
    -- SIP/104-a04e is ringing
    -- SIP/104-a04e answered Zap/3-1
  == Spawn extension (Students, s, 3) exited non-zero on 'Zap/3-1'
    -- Hungup 'Zap/3-1'