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Switching System Requirements Supporting ISDN Access Using the ISDN User Part


Document Number TR-NWT-000444
Issue Number 03
Issue Date May 1993
Replaces TA-TSY-000444 Issue03
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    ABSTRACT: This Technical Reference (TR) presents the view of Telcordia on generic requirements for the use of the Signaling System No. 7 (SS7)
    protocol to support Integrated Services Digital Network (ISDN) basic and primary rate access. This document describes procedures for
    using the ISDN User Part of SS7 to establish and release interoffice circuit connections for calls that either originate from or
    terminate to an ISDN interface. The procedures in this document support setting up calls using the following transfer capabilities:
    speech, 3.1-kHz audio, 7-kHz audio, and unrestricted digital information.

    TR-NWT-000444 replaced TA-NWT-000444, TA-TSY-000444, and SR-TSY-001099.

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