Voiceover internet protocols of VoIP are basically a way of making free phone calls at the same time. This works through changing analogue audio signals and changing them into digital data which can be sent over the internet. There are three basic ways of doing this, one is to have an adapter and your normal house phone, and another is to have brought a special phone that changes the data itself. But the easiest and cheapest is to have brought a few small things to use on your computer; these include a microphone, speakers and a soundcard. It is all done over the internet and depending on what software you download can often be free. A lot of people are starting to use this as it saving them money meaning that the phone companies are losing money.
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