Chapter 3. The Role of SS7
The purpose of this chapter is to introduce Signaling System No. 7 (SS7/C7) and give the reader an indication of how it affects the lives of nearly two billion people globally. The chapter begins by providing a brief introduction to the major services that SS7/C7 provides and explains how the protocol has been and will continue to be a key enabler of new telecommunication services. It concludes with an explanation of why SS7/C7 is a cornerstone of convergence.
SS7/C7 is the protocol suite that is employed globally, across telecommunications networks, to provide signaling; it is also a private, “behind the scenes,” packet-switched network, as well as a service platform. Being a signaling protocol, it provides the mechanisms ...
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