Calls And Priorities; Introduction; Priority; Mergeable Messages - Bosch Plena Installation And User Instructions Manual

Plena Voice Alarm System | Installation and User Instructions | Introduction
4

Calls and priorities

4. 1

Introduction

As the Plena Voice Alarm System is a public address
and emergency sound system, it is used to distribute
background music, business calls and emergency calls.
4.2

Priority

To each call, a priority is assigned. When two or more
calls are addressed to the same zone or need shared
resources (e.g. the internal message manager of the
voice alarm controller), the call with the lower priority is
stopped immediately and the call with the higher
priority is started. The priority of a call depends on the
the part of the system that started the call and must be
configured with the configuration software.
Note
See the Configuration Software Manual
(9922 141 1038x) for more information about
the configuration software.
When two or more calls with the same priority are
addressed to the same zone or need shared resources
(e.g. the internal message manager of the voice alarm
controller), the oldest call is stopped immediately and
the youngest call is started. An exception to this rule are
mergeable messages (see section 4.3).
4.3

Mergeable messages

When two or more calls are started that are based on
the same mergeable message template and have the
same priority, the calls are merged. The youngest call
will not stop the oldest call in this case. Mergeable
message can be created with the configuration software.
Bosch Security Systems | 2006-06 | 9922 141 10377 en
4.4

Business call

A business call is a call that is made when the system is
in the normal state. Business calls always have a priority
between 2 and 8 and can be started with:
• Business trigger inputs.
• Call stations.
• The mic/line input with VOX functionality of the
voice alarm controller.
4.5

Emergency call

An emergency call is a call that is made when the
system is in the emergency state. Emergency calls have
a priority between 9 and 19 and can be started with:
• Emergency trigger inputs.
• The hand-held emergency microphone of the voice
alarm controller.
• The mic/line input with VOX functionality of the
voice alarm controller.
en | 23