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How are telephones used?

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you use a telephone punching in the numbers and press the green button with the phone on it and talk to whoever you are talking to.
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What is the voltage used by telephones?

Typical on-hook voltage is 48 volts DC, off-hook voltage 12 to 16 volts DC and ringing voltage 90 volts AC at 20 hertz. These voltages vary, depending on the actual standard

Why do you use telephone?

It's a convenient way to talk to people without having to see them personally.

Why is telephone useful?

The telephone is useful because it saves you going to that Pearson The telephone was invented so you can talk to someone on the side of the world for as like as like!!   

How are telephones useful?

With the development of the virtual PBX system, we are able to have a more unified and sophisticated communication. This system is the result of the integration of the interne

Why are telephones still in use now?

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What telephone no do scammers use in nigeria?

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What is the use of telephones?

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Uses of telephone?

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What are the uses of the telephone?

The telephone helps us communicate in far distances. With the  advance functions of the modern phone system, such as the VoIP, we  can cost effectively contact people even i

What is the use of the telephone?

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What are the Advantages and Disadvantage of using a telephone?

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What are the uses of telephone?

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