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Glossary
Issue 5 June 1999 GL-3
I
I2
Category 3 4-Pair Twisted interface between a Radio Controller and a Wireless Fixed Base.
I3
Coax cable interface between a Wireless Fixed Base and a Cell Antenna Unit.
Initialization and Administration System (INADS)
Services support system for PBX administration and maintenance.
International Portable Equipment Identity (IPEI)
Unique number used to identify a WT for administration and through-the-air communication. This
number is sent by the WT to the fixed part during the access rights procedure.
International Portable User Identity (IPUI)
Number sent by the fixed part to a WT during the access rights procedure. Also, this number is
sent by the WT to the fixed part during the location registration procedure.
L
local features
Features that are supported by the WT (for example, Silent Mode).
local tones
Tones produced locally in the WT. Includes the following tones: ringer, warning, error, error beep,
confirmation, and key click.
Location Registration
Through-the-air procedure used by the WT to inform the fixed part that it has moved to a new
cluster. If the WT is active on a call, Location Registration is implied whenever there is an inter-RC
or connection handover.
M
Mobility Manager (MM)
Software added to the DEFINITY system to control and track WTs as they change location within
the DWBS coverage area. The Mobility Manager directs all control and voice information to the
appropriate Radio Controller for each WT. It is also responsible for the maintenance and
administration of the DWBS and WTs.