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Installation and Maintenance Guide
Chapter 12
Install Companion or DECT Systems
This chapter describes the two radio-based systems that can be added to the Business
Communications Manager system to provide mobile communications.
Both systems require radio-equipped base stations connected to specific types of media bay
modules installed in the Business Communications Manager.
• The Companion requires a DSM module for the base stations to plug into. Refer to “The
Companion Wireless System” on page 249.
• DECT provides virtual BRI loops within the DECT module. Refer to “Install DECT systems”
on page 275.
The Companion Wireless System
Your Companion portable telephone allows you to leave your desk without missing important
telephone calls. The portable telephones can access most Business Communications Manager
business features such as call forward, call transfer, voice conference, and voice messaging using
feature codes.
Figure 160 provides an overview of the process for installing a Companion wireless system onto
the Business Communications Manager system.
Figure 160 Overview of installing a Companion system
DSM module
installed and
configured
Install remote power
interconnect (RPI)
Install external
antennas and
lightning protection, if
required
Install base stations
Restore system
to operation
Register Companion sets*
Business
Communications
Manager
Companion
equipment
Connect base stations to DSM
Configure DN
records for the
handsets
*In the United States,
you must enter a UTAM
keycode before you
register the handsets.