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Telecommunications devices, including cell phones, satellite radio or Voice over IP, connect us to one another and to the world of information at our fingertips. Learn all about the technologies we depend upon for efficient communication.

Featured Phones Article

How does a long-distance call work?

When you make a long-distance call, there is an amazing amount of technology working to make your call happen. To understand the computerized systems used today, it's helpful to go back in time and look at how long-distance calls were first routed. More »


> Why is the keypad arrangement different for a telephone and a calculator?
> How does a vibrating cell phone or pager work?

Today's cell phone technology is advancing at a rapid pace while prices are getting lower. We’ll explore everything from the advanced -- the iPhone or the future of the Google phone -- to cell phone viruses and ring tones.
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.
We'll look at the different telephone technologies that enable us to easily communicate. Learn about Skype and Vonage, caller ID, fiber optics and more.
Wireless electronic technology has opened up a whole new world for consumers and businesses. Learn about everything from municipal WiFi networks to DSL.

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