Telephone Technology

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.


You may have seen ads for the MagicJack on late night TV or seen them displayed in retail outlets. Can the MagicJack's promise of low-cost phone service be for real?

Whether it’s slow to respond or flat-out broken, a failing home button is a major iPhone annoyance. Will you have to pay to have it serviced or replaced, or can you address the problem on your own?

There are lots of reasons why you might want to snag a screen capture of your smartphone: an epic texting conversation that you want to immortalize, for example. But do you know how to do it?

Why buy an expensive e-reader when you can e-read any book you want on your phone? Go ahead and download one of these e-reader apps, then devour a juicy novel.

In the past, if you wanted to own an iPhone, AT&T was the service provider you had to live with. Now you can get an "unlocked" iPhone and select any carrier you choose -- but it'll cost you.

Is your texting app taking a little longer to open, not responding well to typing or won't send texts quickly? You might have way too many old text messages hanging around.

Protecting a smartphone with a case is a no-brainer for a lot of phone owners. Others, however, don't think smartphone case protection is all it's cracked up to be.

Smartphones can get a little hot when they're engaging in some heavy activity. But can that and their owners' exercise push them over the edge and make them overheat?

Sharing photos or business cards by tapping phones together seems pretty nifty, but is this tech really safe? Find out in this article.

Fed up with carrying a wallet full of cards and a full ring of keys? Before long, you might be able to keep all of that stuff in your phone. How is it possible, and is your information safe in your phone?

iPhones have a screen that can sense multiple touches. Learn about the parts that make up an iPhone screen in this article.

Accelerometers measure the force of acceleration, allowing them to sense movement, speed and direction. Find out how the iPhone accelerometer works in this article.

You need to forward calls from a landline to a cell phone, but you're not sure how to do it. Learn about how to forward calls from a landline to a cell phone in this article.

Today's smartphones include GPS, Internet and computing applications and even let you make phone calls. They do so much, it's a little hard to know how to improve on them. How will phones change in the years to come?

It seems like everyone has a home phone, a cell phone and a work phone. Why can't someone call you at one number that reaches you no matter where you are?

You're ready to cut your land line phone service, but you're not sure your cell phone can work as your main phone line. The Dock-N-Talk turns your home phone into an extension of your cell phone. Problem solved.

New technology is helping us cut down on the amount of stuff we have to carry with us. Soon you'll be able to buy things with your cell phone.

When was the last time you called someone besides your parents and got a busy signal? Two-line phones and other telecom technology are making that annoying signal disappear.

You might think that cell phones dealt a deathblow to landline phones. But concerns about cell phone security and coverage may prevent landlines from disappearing just yet.

Hearing-impaired telephones helped the hearing-impaired communicate by telephone. Learn more about hearing-impaired telephones in this article.

Brrrrring. You sprint for the phone only to be rewarded with a caller who tells you that you won a free trip to Orlando. Only it's not free. And it's the seventh time he's called this week.

Snap, crackle, pop. Is that what your breakfast cereal or your phone sounds like? If it's your phone, you may to try some of these tricks for finding and fixing the problem.

ILECs are local U.S. telephone companies that were involved in the 1980's breakup of AT&T. Learn more about ILECs in this article.

Toll-free numbers are free for callers, making them ideal for businesses. Learn how toll-free numbers work in this article.

You may have experienced automatic dialing from telemarkers. However, automatic dailers are a large part of the telecommunications industry. See some of the lesser known and beneficial uses of automatic dialers.

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