User's Manual

Table Of Contents
Integration Guide
Version 1.07
GSM0100PB001 Page 59 1.07 - 1/9/04
APPENDIX C - Glossary and Acronyms
API
Application Programming Interface.
App Application
Refers to the Application which sends or receives commands/responses from the
Enfora Enabler II-G Module
AT Command Set
Commands issued by intelligent device to a modem to perform functions, such as
to initiate call, to answer call, or to transmit data.
BER
Bit Error Rate
Bit Error Rate
CMUX
Multiplexer protocol that operates between an MS and a TE and allows a number
of simultaneous sessions over a normal serial asynchronous interface
CPE
Customer Premise Equipment
A terminal in fixed location on the customer’s premises.
CSD
Circuit Switched Data
Data link from a terminal through the network allowing real-time, duplex
connectivity at 9600 bytes/second.
Dbi
Decibels referenced to an isotropic radiator
DCE
Data Communications
Equipment
Data Communications Equipment
DCS
Digital Cellular System
A collection of services and capabilities providing flexibility of access and mobility
through a combination of wireless and wire-line networks, utilizing the 1800 MHz
bandwidth.
DTE
Data Terminal Equipment
Data Terminal Equipment
EFR
Enhanced Full Rate
Voice (vocoder) compression algorithms which offer the highest quality voice
communication.
EIR
Equipment Identity Register
A database used to store International Mobile Equipment Identity (IMEI) of a locally
issued terminal.
EIRP
Equivalent Isotropic Radiated
Power
In a given direction, the gain of a transmitting antenna multiplied by the net power
accepted by the antenna from the connected transmitter.
EMC
Electromagnetic Compatibility
The ability of a device to function satisfactorily in its electromagnetic environment
without inducing intolerable disturbance to that environment (or to other devices)
ESD
Electrostatic Discharge
Static electricity that can damage electronic equipment.
EU
European Union
An organization of 15 European states whose purpose is to organize relations
between the Member States and between their peoples.
FTA
Full Type Approval
GSM Full Type Approval
GPRS
General Packet Radio Service
Standard for packet communications utilizing Global Standard for Mobility (GSM)
infrastructure.
GSM
Global System for Mobile
Communications
Standard for digital communications. Allows consistent communications in various
parts of the world despite variations in RF spectrum allocations. Transferring the
SIM (see below) permits users to roam by changing terminal equipment.
HLR
Home Location Register
Stores the identity and user data for all subscribers belonging to the area of the
related MSC.
IMEI
International Mobile
Equipment Identity
A unique number for each GSM Terminal tracked by the GSM operators in their
Equipment Identity Register (EIR) database.
IMSI
International Mobile
Subscriber Identification
A unique number identifying the subscriber stored in the SIM card. Number is
used in conjunction with the network for call routing.
Ki
A secret code used in authentication and encryption by the terminal.
MO
Mobile Originated
Any GSM/GPRS service originated at the mobile terminal.
MT
Mobile Terminated
Any GSM/GPRS service originated from or routed through the network and sent to
the mobile terminal.
MSC
Mobile Switching Center
The central switch of the GSM network. Performs call routing, collects call detail
records for billing, and supervises system operations.