8893 Model the behavior of the control software for a telephone answering system drawing a State Machine Diagram. This system records incoming messages and displays the number of accepted messages on an LED display 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. 8893 Model the behavior of the control software for a telephone answering system drawing a State Machine Diagram. This system records incoming messages and displays the number of accepted messages on an LED display 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