1990•IEEE Communications MagazineRequires access

Current role and future evolution of the ISDN Signaling system in NTT's network

K. Kitami, Kazuto Ogawa

Abstract

The current role of the integrated services digital network (ISDN) Signaling System is examined, covering general features of the ISDN protocol, functionalities supporting ISDN services, and functionalities supporting existing services. The Signaling System No.7 (SS7) network and its operation are described. The future evolution of the ISDN signaling system is discussed.>

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Key concepts: Integrated Services Digital Network, Computer science, Computer network, Signaling protocol, Telecommunications, Intelligent Network, Quality of service