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Signaling System No. 7 (SS7/C7): Protocol, Architecture, and Services by Jeff Hewett, Lee Dryburgh

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Chapter 12. Cellular Networks

This chapter introduces Global System for Mobile communications (GSM), which is the most popular digital cellular network standard in terms of architecture, discusses interfaces and protocols, and concludes by presenting examples of mobility management and call processing in the network. The protocols that are found in GSM to perform these functions—namely, Base Station Subsystem Application Part (BSSAP) and Mobile Application Part (MAP)—are applications (subsystems) that utilize the underlying functionality of the SS7 protocols and network. This chapter aims to provide enough background on GSM cellular networks for you to understand the MAP that is used for mobility management and call processing within the GSM

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