working principle of one rupee coin phone

[Guest]

What is the project name of 1rupee coin phone
How it works
What type of display is used in it
Give circuit explaination

[Guest]

how it works and what is the payment system of call logs.
where we have to pay for that

[seminar report asees]

working principle of one rupee coin phone

Test cases for one Rupees Coin Box (Telephone box)

Positive test cases:


TC1: Pick up the Handset
Expected: Should display the message “Insert one rupee coin"
TC2: Insert the coin
Expected: Should display the message “Dial the Number"
TC3: When you get a busy tone, hang-up the receiver
Expected: The inserted one rupee coin comes out of the exit door.
TC4: Finish off the conversation and hang-up the receiver
Expected: The inserted coin should not come out.
TC5: During the conversation, in case of a local call, (assume the duration is of 60 sec), when 45 as are completed
Expected: It should prompt you to insert another coin to continue by giving beeps.
TC6: In the above scenario, if another coin is inserted
Expected: 60 sec will be added to the counter.
TC7: In the TC5 scenario, if you don't insert one more coin.
Expected: The call gets ended.
TC8: Pick up the receiver. Insert appropriate one rupee coin; Dial the number after hearing the ring tone. Assume it got connected and you are getting the ring tone. Immediately you end up the call.
Expected: The inserted one rupee coin comes out of the exit door.