Lucent Technologies 555-233-115 User Manual

Issue 1

April 2000

Glossary and Abbreviations 

GL-49

 

Telecommunications channels assigned as a group for certain functions that can be used 
interchangeably between two communications systems or COs.

Technical Service Center

Terminal translation initialization

Touch-tone receiver

Terminating trunk transmission

See 

Teletypewriter

Usage-allocation plan

Universal asynchronous transmitter

Uniform call distribution

Unrestricted call list

See 

.

Underwriter Laboratories

User manager

A feature that allows a unique 4- or 5-digit number assignment for each terminal in a multiswitch 
configuration such as a DCS or main-satellite-tributary system.

Unified Network Management Architecture

Uniform numbering plan

Uninterruptible power supply