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Consider the following state diagram for dialing. Describe the changes in the diagram to indicate that when the system is in the Connecting state and
Consider the following state diagram for dialing. Describe the changes in the diagram to indicate that when the system is in the Connecting state and a busy signal is detected, if the callee has an answering service, the call is directed to the service instead of to a busy tone. Describe the new state to be added along with the transition, actions and activities needed Dial(n)[valid incomplete] Dialing do/dial Caliler its handsetDialTone do/play dial tone Dial(n) [invalid] Dial(n) [complete]/ connect Idle Invalid Connecting do/play message_ busy connected Busy do/play busy tone Ringing do/play ring tone Caller replaces handse
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