Terms And Conventions Used - Avaya MERLIN MAGIX Maintenance And Troubleshooting Manual

System Programming Basics
Since this guide assumes that you are familiar with the system, detailed information about
equipment, features, and programming are not included. Refer to the following documentation for
additional information:
System Programming gives procedural instructions for programming system features.
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User and operator guides give procedural instructions for programming and using telephone
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features.
''Related Documents,"
together with ordering information.
In the USA only, Avaya provides a toll free customer Helpline 24 hours a day. Call the Helpline at
1 800 628-2888 (consultation charges may apply), or contact your Avaya representative if you
need assistance when installing, programming, or using your system.
Outside the USA, if you need assistance when installing, programming, or using your system,
contact your Avaya authorized representative.

Terms and Conventions Used

The terms described here are used in preference to other, equally acceptable terms for describing
communications systems.
Lines, Trunks, and Facilities
Facility is a general term that designates a communications path between a telephone system and
the telephone company central office. Technically, a trunk connects a switch to a switch–for
example, the MERLIN MAGIX Integrated System to the central office. Technically, a line is a loop-
start facility or a communications path that does not connect switches–for example, an intercom
line or a Centrex line. In actual usage, however, the terms line and trunk are often applied
interchangeably. In this guide, we use line/trunk and lines/trunks to refer to facilities in general.
Specifically, we refer to digital facilities. We also use specific terms such as Personal Line, ground-
start trunk, Direct Inward Dialing (DID) trunk, and so on. When you talk to personnel at your local
telephone company central office, ask them which terms they use for the specific facilities they
connect to your system.
Terms and Conventions Used
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later in this section, provides a complete list of system documentation,
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