технические науки

техническая литература

только на Литрес

Worldwide telecom spending was over $4 trillion in 2004, and virtually all 12 million businesses in the U.S. buy phone and other telecom services Our book shows people at small and medium-sized businesses how to make sense of telecom lingo and get the best deals Includes an overview of the major players in the telecom industry and an easy-to-understand explanation of the existing telecom infrastructure Helps people pinpoint the telecom services best suited to their business needs, understand billing, and troubleshoot problems Covers emerging industry trends, such as Voice over Internet Protocol (VoIP), and how they can help businesses cut costs 

детективы

Stephen P. Olejniczak

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