Instruction manual

CHAPTER 10. ABBREVIATIONS AND ACRONYMS
NANP
NAU
NCOSS
NEC
NFAS
NID
NN
NPA
NPE
NQC
NSE
NSU
NXX
OA
OCM
OPS
OQT
OSHA
OTQ
PBX
PC
PCOL
PCOLG
PCM
PCS
PDM
PDS
PGN
PI
PIB
PL
PMS
PN
PPN
PRI
PSC
PSDN
PT
RAM
RCL
RHNPA
RLT
RNX
ROM
RPN
RSC
North American Numbering Plan
Network Access Unit
Network Control Operations Support Center
National Engineering Center
Non-Facility Associated Signaling
Network Inward Dialing
National Number
Numbering Plan Area
Network Processing Element
Number of Queued Calls
Night Service Extension
Network Sharing Unit
Public Network Office Code
Operator Assisted
Outbound Call Management
Off-Premises Station
Oldest Queued Time
Occupational Safety and Health Act
Outgoing Trunk Queuing
Private Branch Exchange
Personal Computer
Personal Central Office Line
Personal Central Office Line Group
Pulse Code Modulated
Permanent Switched Calls
Processor Data Module
Premises Distribution System
Partitioned Group Number
Processor Interface
Processor Interface Board
Private Line
Property Management System
Port Network
Processor Port Network
Primary Rate Interface
Premises Service Consultant
Packet Switch Public Data Network
Personal Terminal
Random Access Memory
Restricted Call List
Remote Home Numbering Plan Area
Release Link Trunk
Private Network Office Code
Read Only Memory
Routing Plan Number
Regional Support Center
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