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IEEE Communications Magazine

Issue 7 • Date July 1990

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Displaying Results 1 - 9 of 9
  • Signaling System No.7: a tutorial

    Publication Year: 1990, Page(s):19 - 20
    Cited by:  Papers (77)  |  Patents (14)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2643 KB)

    A tutorial overview of the salient features of SS7 is provided. Its history is briefly reviewed, and the SS7 network services part (NSP), which corresponds to the first three layers of the Open Systems Interconnection (OSI) Reference Model, is described. Signaling network structures that, in conjunction with the NSP, provide integrated services digital network (ISDN) nodes with a highly reliable a... View full abstract»

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  • The role of ISDN signaling in global networks

    Publication Year: 1990, Page(s):36 - 43
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1078 KB)

    A historical context is provided for integrated services digital network (ISDN) to give some perspective on how the current signaling capabilities have evolved. A communications architecture is introduced and used to organize the discussion of the ISDN protocols (i.e. DSS1 and SS7) and to highlight the role of signaling in the overall architecture. The architecture defines a functional partitionin... View full abstract»

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  • Performance modeling of Signaling System No.7

    Publication Year: 1990, Page(s):44 - 56
    Cited by:  Papers (49)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1523 KB)

    The layered performance modeling approach is refined and extended to cover the latest CCITT Blue Book specifications. Specific submodels for the higher-level functional blocks, such as the message transfer part (MTP) level 3, the signaling connection control part (SCCP), the ISDN user part (ISDN-UP), and the transaction capabilities application part (TCAP), are given in a generic way, explicitly. ... View full abstract»

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  • Common channel signaling: the nexus of an advanced communications network

    Publication Year: 1990, Page(s):57 - 63
    Cited by:  Papers (2)  |  Patents (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (856 KB)

    An overview of BellSouth's current and future common channel signaling (CCS) network is presented. The current network and its architecture are described. Network element testing and network interconnection in a multivendor, multinetwork environment are discussed. Services offered by BellSouth via the existing network are summarized. Future plans for the CSS network are outlined. These include the... View full abstract»

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  • Common channel signaling interface for local exchange carrier to interexchange carrier interconnection

    Publication Year: 1990, Page(s):64 - 71
    Cited by:  Papers (8)  |  Patents (12)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1366 KB)

    Issues associated with the interconnection of common channel signaling (CCS) networks are identified. Protocol additions to support exchange access services are discussed. Possible extensions for circuit-switched services beyond basic exchange access, as well as further extensions of Signaling System No.7 to support non-circuit-associated signaling between carriers, are described.<> View full abstract»

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  • Signaling System No.7 in corporate networks

    Publication Year: 1990, Page(s):72 - 77
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1027 KB)

    Corporate network user requirements are identified. The significance of Signaling System No.7 (SS7), in corporate network as a separate backbone signaling system for implementing a robust, flexible and transparent communication network is discussed. The architecture for a corporate network utilizing enhanced signaling is described. The use of SS7 instead of the integrated services digital network ... View full abstract»

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

    Publication Year: 1990, Page(s):78 - 83
    Cited by:  Papers (1)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (865 KB)

    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.<> View full abstract»

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  • Implementation of SS7: Italtel's experience

    Publication Year: 1990, Page(s):84 - 88
    Cited by:  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (970 KB)

    Field results in implementing Signaling system No.7 (SS7) in preparation for the introduction of intelligent network (IN) services are reported. Besides implementing SS7 for interexchange trunk signaling, Italtel has adapted it for communications with remote units, i.e. remote switching modules and subscriber multiplexers and concentrators. IN implementation in a distributed system is discussed. T... View full abstract»

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  • Common channel signaling for international service applications

    Publication Year: 1990, Page(s):89 - 92
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (556 KB)

    The message transfer, telephone user, and integrated services digital network (ISDN) user parts of CCITT Signaling System No.7 (SS7) are described. The introduction of SS7 to provide control of international circuits is described. The intent is to provide a perspective on the advantages of using common channel signaling for ISDN.<> View full abstract»

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