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CHAPTER
1
SYSTEM OVERVIEW
System Overview
SECTION 1
INTRODUCTION
The digital telephone system is an expandable
communications system with many attractive
characteristics including the following:
Unitized base unit which includes all system
features.
The base unit is full featured and
self-contained.
Expansion modules which increase station and
line capacity.
A 4-line, 8-station expansion module is
available. It can be added singly or in pairs to
increase the station and line capacity of an existing
base unit installation.
Secure off-hook voice announce (SOHVA) feature.
The SOHVA feature allows a station user to talk to a
busy station without being heard by the outside party
at the busy station. The called user can easily send
back a pre-programmed LCD message or talk to the
caller without being heard by the outside party.
Programmable buttons.
Many of the telephone
buttons can be programmed to provide functions such
as direct station selection (DSS), auto dial, system
feature access, line access, messaging and more.
Programmed buttons helps station users eliminate
manual dialing errors.
Service
observing.
Supervisors can help insure
quality of service without interrupting calls by
monitoring a trainee’s call without being heard by the
distant party at the trainee’s station.
Handset volume control on all stations.
Handset
volume can be set to a comfortable listening level for
each individual user of the telephone.
Call cost display.
Built-in software records all
outside call costs. Special programming allows an
LCD speakerphone to display the accumulating cost of
a call.
Dual intercom.
A second intercom key can be
provided so that station users can handle two intercom
calls at once. One intercom call can be placed on
hold while a second intercom call is serviced or both
calls can be conferenced together.