1.Find a numeral.
2.Type the numeral in a phonepad.
3.Press the dial button.
4.Listen to the signal sound. If the line is availble the sound would be a long beep and if it busy the sound would be a short beep.
5. When the reciver is answering the phone then have a conversation.
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Very good description...remember we know which phone as so we say 'THE' phonepad.
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