Glossary / 115
destination code: A two- to seven- digit number that the system interprets and then translates into the digits that you want dialed out. Both the code and its associated dialed digits are assigned under Routing service in Services programming.
Directed Receive Signal Strength
Indicator: A measurement of the signal strength between a portable and a specific Base Station radio. You require the
See also Receive Signal Strength Indicator.
Directory number (DN): A unique
number that is automatically assigned to each telephone or data terminal. The DN, also referred to as an internal number, is often used to identify a telephone when settings are assigned during programming. Default DN assignments start at 221.
DN: See Directory number.
E
event message: Event messages are stored in the system log and displayed during a Maintenance session. They record a variety of events and activities in the Norstar system.
Expansion Cartridge: A cartridge that allows you to connect Trunk Modules and Station Modules to the ICS to expand the system’s capacity for trunks and telephones. There are two Expansion Cartridges: a two- port Expansion Cartridge and a six- port Expansion Cartridge. (See also Combo Cartridge.)
External paging: A feature you can use to make voice announcements over an
H
Handoff: An activity of Companion wireless components. Handoff is when the system “finds” a new cell to maintain the link between a portable telephone and the ICS.
I
ICS (integrated communication system): The central hardware
component in the Norstar system. The ICS has its own processor and memory, and provides a physical point of connection for the various types of devices, telephones, and expansion modules used in Norstar.
The ICS can function on its own as a basic system (with 32 Norstar telephones and up to 48 external lines), or with the addition of Trunk
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