- The Federal Communications Commission defines VoIP as, "a technology that allows you to make voice calls using a broadband Internet connection instead of a regular (or analog) phone line."
- When a caller uses a VoIP phone, speech converts into a digital signal sent through Internet waves to the recipient(s). Before reaching the end user, the digital signal converts back to a telephone signal.
- VoIP providers are able to charge low user rates because those users already pay for an Internet connection. This is unlike traditional analog providers, who must factor the cost of phone line maintenance into the monthly charge. VoIP provider pricing varies depending on use, but free options are available, as of 2010.
- VoIP users can speak through a variety of products, including a computer microphone, headset or traditionally designed VoIP telephone, all of which have a direct connection to a cable modem and active Internet signal. Any device capable of a stable Internet connection may support VoIP services---personal computer, laptop, PDA and cell phone included. Finally, a VoIP provider is necessary, who may provide a required phone adapter.
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