Like HowStuffWorks on Facebook!

Tech | Electronics | 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.

Featured
How Interactive Voice Response (IVR) Works

IVR, or interactive voice response, is a new technology that many of us use everyday. Learn more about IVR in this article.


How MagicJack Works

 How MagicJack Works

Can an inexpensive device like a MagicJack really save you money on phone service? Find out how MagicJack works and whether it's the real deal. See more »

What should I do if the home button on my iPhone stops working?

 What should I do if the home button on my iPhone stops working?

An iPhone home button failure can cause instant dismay and stress. See what you should do if your iPhone home button stops working. See more »

How do I take a screen capture on my smartphone?

 How do I take a screen capture on my smartphone?

How do I take a screen capture on my smartphone? Learn how to take a screenshot on your smartphone in this article. See more »

What's the best e-reader app to use on a smartphone?

 What's the best e-reader app to use on a smartphone?

What's the best e-reader app to use on a smartphone? Keep reading to discover the best e-reader app to use on a smartphone. See more »

Why are 'unlocked' phones more expensive than locked ones?

 Why are 'unlocked' phones more expensive than locked ones?

Now you can get an 'unlocked' iPhone and select any carrier you choose -- but it'll cost you. Find out why unlocked phones are more expensive than locked. See more »

Does keeping texts on my phone slow its performance?

 Does keeping texts on my phone slow its performance?

Does keeping texts on your phone slow its performance? Find out if you have too many old text messages hanging around and if texts are slowing your phone. See more »

Do smartphone covers really protect phones from damage?

 Do smartphone covers really protect phones from damage?

Protecting a smartphone with a case is a no-brainer for a lot of phone owners. But do smartphone covers really protect phones from damage? Find out. See more »

If I put my smartphone in an armband or pocket while I run, can it overheat?

 If I put my smartphone in an armband or pocket while I run, can it overheat?

Smartphones can get hot when they're engaging in some heavy activity. Find out if putting your smartphone in an armband or pocket will make it overheat. See more »

How secure is NFC tech?

 How secure is NFC tech?

NFC or near field communication tech is changing how we use cell phones -- but is it safe? Find out how secure NFC tech really is. See more »

How Near Field Communication Works

 How Near Field Communication Works

Near field communication is a standard for very short-range radio transmission. Learn how near field communication can digital store everything in your wallet. See more »