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.

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How Telephone Country Codes Work

Telephone country codes make it easy to call another country. Learn more about telephone country codes in this article.

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  • Future Phones: What do you think phones will look like in 2050?
    Future Phones: What do you think phones will look like in 2050?

    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? See more »

  • How Automatic Dialers Work
    How Automatic Dialers Work

    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. See more »

  • How Blocking Incoming Calls Works
    How Blocking Incoming Calls Works

    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. See more »

  • How Cellular Electronic Payments Work
    How Cellular Electronic Payments Work

    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. See more »

  • How Dock-N-Talk Works
    How Dock-N-Talk Works

    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. See more »

  • How does a fiber optic cable work?
    How does a fiber optic cable work?

    Over the last 20 years or so, fiber optic lines have taken over and transformed the long distance telephone industry. Optical fibers are also a huge part of making the Internet available around the world. See more »

  • How does a long-distance call work?
    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. See more »

  • How does Caller ID work?
    How does Caller ID work?

    How does caller ID work on a telephone? It turns out that the process of making the caller ID display possible is remarkably simple at your end of the line. See more »

  • How Google Voice Works
    How Google Voice Works

    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? See more »

  • How Hearing Impaired Telephones Work
    How Hearing Impaired Telephones Work

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

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