How will VoIP work?

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If you've never heard of VoIP, get ready to change the way you think about long-distance phone calls. VoIP, or Voice over Internet Protocol, is a method for taking analog audio signals, like the kind you hear when you talk on the phone, and turning them into digital data that can be transmitted over the Internet.

How is this useful? VoIP can turn a standard Internet connection into a way to place free phone calls. The practical result of this is that by using some of the free VoIP software that is available to make Internet phone calls. By doing this, you are bypassing the phone company (and its charges) entirely.

VoIP is an innovative technology that has the potential to completely rework the world's phone systems. But above all else, VoIP is basically a smart "reinvention of the wheel." In this article, we'll explore the principles behind VoIP, its applications and the potential of this emerging technology, which may replace our traditional phone system.

The interesting thing about VoIP is that there is not just one way to place a call. There are three different "flavors" of VoIP service that are commonly used today:

ATA – ATA (analog telephone adaptor) is the simplest and most common used. This allows you to connect a standard phone to your computer or your Internet connection for use with VoIP . The ATA is an analog-to-digital converter. It takes the analog signal from your traditional phone and converts it into digital data for transmission over the Internet. You simply crack the ATA out of the box, plug the cable from your phone that would normally go in the wall socket into the ATA, and you're ready to make VoIP calls. Some ATAs may ship with additional software that is loaded onto the host computer to organize it. But in any case, it's a very simple and easy setup.

IP Phones -- These specialized phones look just like normal phones with a handset, cradle and buttons. But instead of having the standard RJ-11 phone connectors, IP phones have an RJ-45 Ethernet connector. IP phones connect directly to your router and have all the hardware and software necessary right onboard to handle the IP call. Wi-Fi phones can alsoallow subscribing callers to make VoIP  calls from any Wi-Fi hot spot.

Computer-to-computer -- This is definitely the easiest way to use VoIP. You don't even have to pay for long-distance calls. There are several companies offering free or very low-cost software that you can use for this type of VoIP. All you need is the software, a microphone, speakers, a sound card and an Internet connection, preferably a fast one like you would get through a cable or DSL modem. Except for your normal monthly ISP fee, there is usually no charge for computer-to-computer calls, no matter the distance. Next, you know exactly how VoIP is being used.