User Guide

PAMS
Technical Documentation
NHP–4
System Overview
Page 3–4
Issue 1 04/99
Acronyms
AMPS Advanced Mobile Phone System
BS Base Station
CDMA Code Division Multiple Access
CTIA Cellular Telecommunications Industry Association
DAMPS Digital Advanced Mobile Phone System
DTMF Dual Tone Multi Frequency
FDMA Frequency Division Multiple Access
GSM Global System for Mobile communications
HLR Home Location Register
ISDN Integrated Services Digital Network
MS Mobile Station (Cellular phone)
MSC Mobile Switching Center (see MTX also)
MTSO Mobile Telephone Switching Office
MTX Mobile Telephone Exchange (see MSC also)
NADC North American Digital Communications (IS–54 DAMPS)
PCH Paging Channel
PN Code Pseudo random Noise Code
PSTN Public Switched Telephone Network
RF Radio Frequency
SAT Supervisory Audio Tone (5970, 6000 and 6030 Hz)
ST Signaling Tone (10 kHz)
TCH Traffic CHannel
TS Time Slot
VLR Visitor Location Register
VOCODER VOice COder DEcodeR
VOCODER VOice CODER