Primary Rate Interface Generic Requirements for Message Waiting Notification
Document Number GR-2942
Issue Number 01
Updates REV01 - Feb 1999
Issue Date Jan 1997
ABSTRACT: GR-2942, Primary Rate Interface Generic Requirements for Message Waiting Notification, describes the switch requirements for Message
Waiting Notification to a Primary Rate client interface. Message Waiting Notification (MWN) is a subfeature of ISDN Message Service,
which allows a client user to retrieve stored messages in a Message Storage and Retrieval (MSR) system. The MSR system notifies the
client user of waiting messages by communicating through the network to update the client's user's Message Waiting Indicator (MWI). The
mechanism for which the network switch updates a client user's MWI is called Message Waiting Notification.
This document provides the requirements for MWN to PRI Class II CPE (e.g., a PBX or Intelligent Peripheral). In this case, the
client user is served by the PRI CPE. Revision 1 to Issue 1 of GR-2942 provides additional requirements for procedures and signaling to
support additional Phase II capabilities for providing more useful information to client users about the messages that have been stored
at the MSR System, e.g., an indication of the number of waiting messages and of text information for display to ISDN client users along
with message waiting notification.
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