scope:

The most complete, current guide to Signaling System #7 (SS7). Thoroughly updated to cover the latest advances in the telecommunications industry, Signaling System #7, Sixth Edition, addresses the impact of emerging technologies and applications, such as Long-Term Evolution (LTE) and 4G networks, on SS7. An all-new chapter on Diameter discusses how to successfully implement SS7-to-Diameter interfaces to bridge 3G and 4G networks. Real-world examples, protocol message details, call flows, and effective migration strategies are included in this practical guide. Comprehensive coverage includes: The SS7 network-international and national planes The OSI model SS7 protocols and the protocol stack Signal units Message Transfer Part (MTP), including level 3 Signaling transport (SIGTRAN) ISDN User Part (ISUP) Signaling Connection Control Part (SCCP) Transaction Capabilities Application Part (TCAP) The evolution to Diameter