DEFINITIONS AND TERMINOLOGY

API

Application Programming Interface

AT

Attention

CORBA

Common Object Request Broker Architecture

CSD

Circuit Switched Data

DAI

Digital audio interface

GIOP

General Inter-ORB Protocol, General Inter-Object Request Broker Protocol

GSM

Group Special Mobile, Global System for Mobile Communications

GPRS

General Packet Radio Service

HSCSD

High Speed Circuit Switched Data

IDL

Interface Definition Language

M2M

Machine-to-Machine, Man-to-Machine, Machine-to-Man

MO

Mobile Originated

MT

Mobile Terminated

ORB

Object Request Broker

PC

Personal Computer

PIN

Personal Identity Number

PUK

Personal Unblocking Key

SIM

Subscriber Identity Module

SM

Short Message

SMS

Short Message Service

SMSC

Short Message Service Centre

USSD

Unstructured Supplementary Services Data

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