The Definitive Guide to Successful Deployment of VoIP and IP Telephony-Chapter 3
When deploying any new system, preparation is key—and Internet protocol telephony (IPT) systems are no exception. Part 3 of this 4-part e-book series provides

free sample of vendor evaluation form  and use the nearly free PC-based systems. Although the savings of VoIP circa 2007 are substantial compared with the cost of traditional telephony circa 1995, VoIP today often demands a premium as older, depreciated gear with a service life in the range of two decades is replaced with an unknown or 18-month to 5-year expected service life. And one must also consider that purveyors of traditional telephony have reduced the prices for use of their reliable, high-quality traditional systems. This leaves

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