Thursday, December 17, 2009

Advantages of voice over IP

Advantages of voice over IP technology http://ping.fm/71N2h

The differences between the operation of voice and data networks require different management approaches.

Traditionally, the phone industry works with a high reliability requirements, known as the "five nines" 99.999 percent. This translates into a central design goals of public exchange that guarantee service levels fall as two hours every forty years of operation. Forty years account for approximately 350,400 hours and two hours without service would represent only a 0.0000057 for all that time. Or what is the same, an availability of 99.9994 percent.

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