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switch features
Those features that you can use only if your telephone is connected to a System 75, DEFINITY
Communications System Generic 1 or Generic 3 switching system.
system list
One of the four types of Abbreviated Dialing lists; programmable only by the system manager. Contains
phone numbers helpful to all system users, and stores each of those numbers as a 2-digit list item.
system manager
The person responsible for specifying and managing the operation of features for all the voice and data
equipment in your network.
System 75
System 75, DEFINITY Communications System Generic 1, and Generic 3 are communications systems
which transmit and receive voice and data signals for all communications equipment in a network.
trunk
A telecommunications channel between your System 75 and the local or long distance calling network.
Trunks of the same kind connecting to the same end points are assigned to the same trunk group.
trunk code
A dial code of 1, 2, or 3 digits that you dial to access a trunk group to place an outside call.