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Tech | Electronics | Home Telephones

Explore the technology and options for home telephones. Learn how cordless phones work, what 900 MHz is, how ATT is and what the colored wires on your phone jack are.

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Is it possible to detect if someone is illegally using my phone line?

It's possible and relatively easy for someone to tap into your phone line, especially if you live in a dorm or an apartment building. It's also pretty easy to detect. Find out how to tell if your phone line is tapped.


Inside a Cordless Telephone

 Inside a Cordless Telephone

These cordless phone pictures give you a tour inside a cordless phone. See the hardware and parts with cordless phone pictures. See more »

How the Verizon Hub Works

 How the Verizon Hub Works

The Verizon Hub is like a home phone, smartphone, computer and TV all rolled into one. Learn about the features of the Verizon Hub and what it can do. See more »

How Cordless Telephones Work

 How Cordless Telephones Work

Cordless phones have been around for about 20 years, but lately they're a lot more sophisticated -- it seems like you need a Ph.D. to buy one! Find out how cordless phones work and how to buy the right one. See more »

What do the yellow and black wires in a home telephone jack do?

 What do the yellow and black wires in a home telephone jack do?

With all the different colored wires used in communications, what do the yellow and black wires in a home telephone jack do? See more »

How do digital answering machines work?

 How do digital answering machines work?

What exactly are the components of a digital answering machine? How does voice get recorded? And then, how is it played back on demand? See more »

Is it possible to detect if someone is illegally using my phone line?

 Is it possible to detect if someone is illegally using my phone line?

It's possible for someone to tap into your phone line, but it's also pretty easy to detect. Find out how to tell if your phone line is tapped. See more »

What does 900 MHz mean in a cordless phone?

 What does 900 MHz mean in a cordless phone?

I've been looking at cordless phones and have noticed that this area has gotten fairly complicated! For example, what is the difference between 900 MHz and other systems? See more »

What is digital spread spectrum as used in cordless telephones?

 What is digital spread spectrum as used in cordless telephones?

DSS technology has evolved into the technology of choice for the cordless phone. What is digital spread spectrum as used in cordless telephones? See more »