Article: How VoIP Phones Work
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How VoIP Phones Work
Long distance phone calls will never be the same again thanks to Voice over Internet Protocol (VoIP). The basic premise for this technology is to convert analog audio signals into digital data for transmission over the Internet, a technique which allows you to make your phone calls over the internet.
The way VoIP works is pretty straight forward. Whereas the traditional circuit switched technology reserves a dedicated path from a caller to the receiver for the entire duration of the conversation, VoIP converts the voices into data for transmission over data networks. At the receiving end, the data is once again converted back into audio.
The implication of this process is that a regular Internet connection is all one needs to make absolutely free phone calls. ...
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