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VoIP Works

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VoIP Works

  1. How VoIP Works
    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. VoIP can turn a standard Internet connection into a way to place free phone calls. The practical upshot of this is that by using some of the free VoIP software that is available to make Internet phone calls, you are bypassing the phone company  entirely.VoIP is a revolutionary technology that has the potential to completely rework the world's phone systems. VoIP providers like Vonage have already been around for a little while and are growing steadily. Major carriers like AT&T are already setting up VoIP calling plans in several markets around the United States, and the FCC is looking seriously at the potential ramifications of VoIP service.
       

  2. How VoIP Works-Busting Out of Long Distance Rates
    VoIP is the newest advancement in audio communications technology, and has a variety of different applications that make it useful. VoIP stands for Voice over Internet Protocol, and how VoIP works is actually quite revolutionary because it streamlines the process of sending analog audio signals by converting them to a much easier to send digital form for transmission. To understand how VoIP works, you?ll need to understand the basic concept behind regular analog audio communication as well, since this is the precursor for VoIP. Analog phone calls are actually made via fiber optic networks by digitizing your voice communications for sending the signal across thousands of miles, but once it gets to the final destination (a home or office phone, for instance), the signal is once again converted to analog. 
       

  3. VoIP primer: How it works
    IP telephony is nothing short of a revolution. It works in a fundamentally different way to how telephone networks have carried our voice communications over the past 100 years. Traditionally voice is sent as a continuous stream over an open circuit from caller to caller, in what is called 'circuit switching'. The longer the circuit, the higher the tariff. The longer the call, the greater the calling costs. Despite long silences, the call is rated for every second the circuit is open. Even the migration from analogue to digital circuits did little to change this model. But of course, IP has changed that. Just as a web page can be broken up into 'packets', audio can be sampled with a digital signal processor (DSP), 'packetised' and sent out over an IP-based network as another data stream. The IP network may be a local area network, a company wide area network, a telco's core network or even the public internet.

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Posted on: April 18, 2011

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