Instruction manual
DEFINITY® Business Communications System and GuestWorks® Issue 6
Overview
555-231-208
Issue 1
April 2000
Glossary and Abbreviations
GL-35
UDP
See Uniform Dial Plan (UDP)
.
UL
Underwriter Laboratories
Uniform Dial Plan (UDP)
A feature that allows a unique four- or five-digit number assignment for each telephone in a
multiswitch configuration.
UNMA
Unified Network Management Architecture
UNP
Uniform numbering plan
USOP
User service-order profile
UUCP
UNIX-to-UNIX Communications Protocol
UUI
User-to-user information
V
VA R
Value-added reseller
VIS
Voice Information System
VLSI
Very-large-scale integration
VM
Voltmeter
VNI
Virtual nodepoint identifier
voice telephone
A single-line or multiappearance telephone.
W
warning tone
A low-pitched tone heard by all parties in a Busy Verification attempt that bridges to an active call.
WATS
See Wide Area Telecommunications Service (WATS)
.