1) Pick up the receiver – it turn on the machine to ready to call by lift up the trigger.
2)Insert coins – now you can use the phone. If you insert more coins, it gives additional time for call and it can distinguish what kinds of coin you inserted.
3)Push numbers of buttons to connect the person you want to talk
4)Receiver – listen & talk
5)Volume button – while calling, you can volume up with this button. But I’m not sure this button make volume down.
6)Hang up – When you hang up the receiver, it pushes the trigger to end the call.
7)If there’s change, coins come out to the hole. Also there’s a coin release button.