subject: Software engineering Draw State Diagram of the control software for: A telephone answering system that records incoming messages and displays the number of accepted messages on an LED. The...

subject: Software engineering

Draw
State Diagram
of the control software for:

A telephone answering system that records incoming messages and displays the number of accepted messages on an LED. The system should allow the telephone customer to dial in from any location, type a sequence of numbers (identified as tones), and play any recorded messages.