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Voice over IP technology uses the Internet’s packet-switching capabilities to provide phone service. It’s valued for cheap prices and cost effectiveness. It offers many of the same calling features as regular landline services at typically no extra cost. VoIP allows users the freedom to use their high-speed Internet connection to integrate their phone, audio, video, and web browsing capabilities into one application. Because of these new trends, VoIP providers are adding new products and services daily.
Packet switching allows several telephone calls to occupy the amount of space occupied by only one in a circuit-switched network. Using the circuit-switched network a 10-minute phone call would consume 10 full minutes of transmission time at a cost of 128 Kbps.
With Voice over IP a 10-minute call may have occupied only 3.5 minutes of transmission time at a cost of 64 Kbps. That leaves another 64 Kbps free for that 3.5 minutes time period plus an additional 128 Kbps for the remaining 6.5 minutes.
Another three or four calls could easily fit into the space used by a single call under the conventional system. This example doesn’t even factor in the use of data compression which further reduces the size of each call.
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