Telecom For Dummies 在線電子書 圖書標籤:
發表於2024-11-29
Telecom For Dummies 在線電子書 pdf 下載 txt下載 epub 下載 mobi 下載 2024
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
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Telecom For Dummies 在線電子書 pdf 下載 txt下載 epub 下載 mobi 下載 2024