IPECS Release 5
Feature Description & Operation 5.0
7-3
7.3 SLT MESSAGE WAIT INDICATION
Description
All SLT devices will receive a “Stutter” dial tone as an audible Message Wait Indication. In addition,
industry standard Message Waiting telephones may be connected to the system. Software will
cause the lamp to flash when a messaging is waiting.
Operation
System
The system switches the 90 VDC lamp On and Off for assigned SLTs indicating a Message Wait.
Conditions
1. The system switches a 90 VDC supply On and Off to flash the SLT’s neon lamp.
2. Although the SLT Battery Feed is removed during the 90 VDC On cycle, the system will
recognize an SLT Off-hook event.
3. The SLT must incorporate a 90 VDC neon lamp that is connected directly across the tip and
ring of the voice network.
Programming
S
TATION 1. Station Type (PGM 110-Btn 1)
Related Features
Message Wait/Call Back
Hardware
SLT w/90 VDC Neon lamp
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