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OSSGR Section 9: Maintenance

Document Number TR-NWT-001148
Issue Number 01
Issue Date Feb 1991

    ABSTRACT: The Operator Services Systems Generic Requirements (OSSGR) is a comprehensive compilation of requirements and objectives that, in the
    view of Telcordia, meet typical Local Exchange Carrier (LEC) operator services call handling needs.

    This Technical Reference (TR) contains the view of Telcordia on the requirements and objectives necessary for helping to ensure
    system availability. The system maintenance requirements provided in this document include trouble detection, service recovery, trouble
    notification, trouble verification, trouble isolation, trouble repair, human-machine interfaces for monitoring the system status and
    initiating maintenance functions, and operator position maintenance.

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