Glossary

D

Dedicated Subscriber Lines

Communication lines (usually twisted pair) that are used to connect on- premise telephone equipment (such as a PBX) to the Central Office. Also referred to as direct lines.

Dial Line

A telephone line which is part of the Public Switched Telephone Network and is accessed through the DEFINITY Extender 1100 System’s automatic dial-up function.

F

Facility

Transmission facilities. Usually a two metallic pair set of cords, but can be telephone company carriers, T-1, microwave or dial-up telecommunications lines.

GL-2Issue 1 June 1998

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Lucent Technologies 1100 manual GL-2Issue 1 June