* A complete overview of telephony, wireless, and data communications, this is a superb introduction for the novice and a plain-language, math-free refresher for the expert * Presents the fundamentals of each technology used to deliver network services, places them in context with each other, and gives practical examples of their applications * Get the basics of the SS7 network and its impact on cellular * Understand the basics of TCP/IP and the Internet * Understand the fundamentals of the cellular network, SONET, and ATM * Stay up to the minute on voice over IP and local number portability issues
來源: Google Book