If you're involved with communications networks, you can't afford to be without this first complete technical reference on the signaling network that supports cellular communications, broadband networking, ISDN, and virtually all international networks. Using a highly readable, tutorial approach, this unique guide shows you in detail how Signaling System #7 (SS7) permits seamless switching from carrier to carrier, network to network, or office to office within a network. Filled with dozens of real-world examples, the book clearly explains protocol functionality, applications, and key components - enabling you to master SS7 without having to rely on expensive and obscure standards documents. Included is an expert overview of SS7 and its importance in the telecommunications industry, plus complete accounts of SS7 network architecture ... the OSI model and SS7 ... the message structures of SS7 ... MTP L2 ... MTP L3 ... SCCP ... TCAP ... ISUP ... and much more. Whether you're a newcomer to the field or a seasoned pro, Signaling System #7 gives you the information and skills you need to put all the power and versatility of SS7 technology to work for you!