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(A Glossary of Cellular Industry Acronyms)

[ A ]

ACD Automatic Call Distribution
ADPCM Adapted Differential Pulse Code Modulation
AIN Advanced Intelligent Network
AM Amplitude Modulated
AMA Automatic Message Accounting
AMPS Advanced Mobile Phone Service
ANI Automatic Number Identification
ANSI American National Standards Institute
ASC AIN Switch Capabilities
AT Access Tandem
AUC Authentication Center
AUTHR Authorization Response

[ B ]

BA Bell Atlantic
BOC Bell Operating Company
BTA Rand McNally Basic Trading Areas
BTS Base Transceiver Station
BVA Billing Validation Application

[ C ]

C/N Carrier to Noise Ratio
CAI Common Air Interference
CCIR International Radio Consultative Committee
CCIS Common Control Interoffice Signaling
CCITT Consultative Committee International Telephony and Telegraphy
CCS#7 Common Channel Signaling # 7
CDMA Code Division Multiple Access
CDPD Cellular Digital Packet Data
CIC Carrier Identification Code
CLASS Custom Local Area Signaling Services
CLNP Connectionless Network Protocol
CIBER Cellular Intercarrier Billing Exchange Record
CMC Cellular Mobile Carrier
CO Central Office
CODEC Coding/Decoding Device
CPE Customer Premise Equipment
CPU Central Processing Unit
CT-2 Digital Cordless Telephony (2nd generation)
CT-3 Digital Cordless Telephony (3rd generation)
CTIA Cellular Telecommunications Industry Association

[ D ]

DAL Data Access Line
DAT Digital Audio Tape
DBS Direct Broadcast Satellites
DDS Dataphone Digital Services
DECT Digital European Cordless Telephone
DES Data Encryption Standard
DP Dial Pulse
DR Digit Receiver
DSI Digital Speech Interpretation
DSMA/CD Digital Sense Multiple Access with Collision Detect
DTMF Dual Tone Multi-Frequency

[ E ]

E&M Ear and Mouth
E-TDMA Enhanced Time Division Multiple Access
ECSA Exchange Carriers Standard Association
EIR Equipment Identification Register
EIRP Effective Isotropic Radiated Power
EO End Office
ESN Electronic Serial Number

[ F ]

FAA Federal Aviation Administration
FCC Federal Communications Commission
FDD Frequency Division Duplex
FDMA Frequency Division Multiple Access
FEC Forward Error Correction
FG Feature Group
FH Fiber Hub
FLMPTS Future Land Mobile Personal Telephone Service
FM Frequency Modulation
FN Fiber Node
FSK Frequency Shift Keying

[ G ]

G/T Gain to Thermal Noise
GEO Geostationary Earth Orbit
GHz Gigahertz
GMSK Gaussian Mean Shift Keying
GSM Global System for Mobile Comm; Groupe Speciale Mobile
GTL Global Title Translation

[ H ]

H Home
HE Head End
HLR Home Location Register
Hz Hertz

[ I ]

IC Integrated Circuit
IEC Interexchange Carrier; International Electrotechnical Commission
IEEE Institute of Electrical & Electronics Engineers
IMTS Improved MTS
IP Internet Protocol; Intelligent Peripheral
ISDN Integrated Services Digital Network
ISM Industrial, Scientific and Medical Applications
ISN Information Systems Network
ISUP Integrated Services User Part
ITU International Telecommunication Union

[ K ]

KBPS Kilobits Per Second

[ L ]

LAN Local Area Network
LATA Local Access and Transport Area
LEC Local Exchange Carrier
LEO Low Earth Orbit
LNA Local Numbering Area; Launch Numerical Aperture
LPC Linear Prediction Code
LSI Large Scale Integration

[ M ]

MAC Mobile Attenuation Code
MC Microcell
MCU Master Control Unit
MEX Microcell Extender
MF Multi-Frequency
MHz Megahertz
MIN Mobile Identification Number
MPT Ministry of Post and Telegraph
MSA Metropolitan Serving Area
MSO Multiple System Operator
MTA Rand McNally Major Trading Areas
MTS Message Telecommunications Service; Mobile Telephone Service
MTSO Mobile Telephone Switching Office

[ N ]

NI Network Interconnect
NOI Notice of Inquiry
NPI Number Planning Area
NWN National Wireless Network

[ O ]

O&M Operation and Maintenance
OCC Other Common Carrier
ONA Open Network Architecture
OSI Open Systems Interconnection
OSP Operator Service Provider
OSS Operator Service Switch

[ P ]

PBX Private Branch Exchange
PC Personal Computer
PCIA Personal Communications Industry Association
PCM Pulse Code Modulation
PCN Personal Communications Network
PCS Personal Communications Service
PDA Personal Digital Assistant
PIN Personal Identification Number
PL Power Level
POP Point of Presence
POTS Plain Old Telephone Service
PSTN Public Switched Telephone Network
PT Pocket Telephone
PTN Personal Telephone Number

[ Q ]

QPSK Quadrature Phase Shift Keying

[ R ]

RAND Random Challenge
RASP Remote Antenna Signal Processor
RBOC Regional Bell Operating Company
RC Riding Circuit
RCC Radio Common Carrier
RCU Remote Cell Unit
RF Radio Frequency
RSA Rural Serving Area
RT Remote Terminal

[ S ]

SACCH Slow Associated Control Channel
SAT Supervisory Audio Tone
SCA Subsidiary Communications Authorization
SCM Station Class Mark
SCP Service Control Point
SID System Identification
SIM Subscriber Interface Module
SMR Special Mobile Radio
SMS Service Management System
SN Service Node; Serial Number
SP Switching Point
SPCS Stored Program Controlled Switch
SSD Shared Secret Data
SSP Service Switching Point
SS#7 Signaling System # 7
ST Signaling Tone
STP Signal Transfer Point

[ T ]

TCAP Transaction Capabilities Application Part
TDD Time Division Duplex
TDMA Time Division Multiple Access
TIA Telecommunications Industry Association
TOPS Traffic Operator Position System
TR Transmitter
TSO Terminating Screening Office
TSPS Traffic Service Position System

[ U ]

UHF Ultra High Frequency

[ V ]

VHF Very High Frequency
VLR Visitor Location Register
VPN Virtual Private Network
VSAT Very Small Aperture Terminal

[ W ]

WATS Wide Area Telecommunications Service

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