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SS7 message format

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  • #49555 Reply
    Ibrahim
    Guest

    Hi guys,

    Can any body assist me with SS7 message format?

    regards,

    #49556 Reply
    Keith Driver
    Guest

    What is it you want to know? Which protocol?

    #49557 Reply
    The Anh
    Guest

    Which kind of protocol do you mention here? (ISUP, INAP, etc…)

    #49558 Reply
    Ibrahim
    Guest

    I need the SS7 message format of the A interface between the BSC & the MSC in a GSM system, i.e. MTP, SCCP, and BSSAP.

    Thanks,

    #49559 Reply
    Wallis Dudhnath
    Guest

    Look at 3gpp.org.

    Specification below looks at Layer 3.

    3GPP TS 48.008

    Mobile Switching Centre – Base Station system (MSC-BSS) interface; Layer 3 specification

    #49560 Reply
    Wallis Dudhnath
    Guest

    Look at the following “message units” for SS7:-

    -Message Signal Unit (MSU)

    -Link Status Signal Unit (LSSU)

    -Fill-in Signal Unit (FISU)

    You will also need to obtain the relevant SS7 specification for interface that is under investigation.

    VBR/ Wallis Dudhnath

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