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ISDN Distinctive Alerting (I-DAL) Generic Requirements

Document Number GR-1218
Issue Number 01
Issue Date Jun 1994
Replaces TA-NWT-001218 Issue01

    ABSTRACT: This document contains the Telcordia view of generic requirements for a Distinctive Alerting feature as an Integrated Services Digital Network (ISDN)- based service operating through a Basic Access interface.

    This feature, called ISDN Distinctive Alerting (I-DAL), is a terminating call management feature. It provides Distinctive Alerting treatment to the called customer when attempts are made to terminate calls placed from telephones or other qualifying terminals whose Directory Numbers (DNs) have been previously designated by the called customer and appear in an active I-DAL screening list.

    This document presents requirements for the following:

    • Feature Operations,
    • Internal Call Processing Controls,
    • Signaling/Message Structure,
    • Administration/Operations,
    • Interactions,
    • Limitations,
    • Restrictions.
    GR-1218 replaced TA-NWT-001218.

    Components of this product are:

    Table of Contents:

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