<h4>The most complete, current guide to Signaling System #7 (SS7)</h4><p>Fully revised to cover the latest advances in the telecommunications industry, <i>Signaling System # 7</i>, Sixth Edition discusses the impact of emerging technologies and applications, such as such as Long Term Evolution (LTE) and 4G networks, on SS7. To support these technologies, a major new IP-based authentication, authorization, and accounting (AAA) protocol known as Diameter has been introduced. This book provides the critical guidance practicing engineers, technicians, network planners, and vendors need to successfully implement SS7-to-Diameter interfaces. <ul><li>Covers updates to the Mobile Application Part (MAP) protocol and its role in 3G and 4G/LTE networks. <li>Contains new material on VoIP implementations in networks and Voice over LTE (VoLTE)/IP Multimedia Subsystem (IMS)<li>Discusses effective migration strategies</ul></p>