16-QAM

16-bits Quadrature Amplitude Modulation

8-PSK

8-bits Phase Shift Keying

AA

Accounting Authorities

ADSL

Asynchrounous Digital Subscriber Line

AOR-E

Atlantic Ocean Region East

AOR-W

Atlantic Ocean Region West

BGAN

Broadband Global Area Network

B-HSD

Inmarsat B High Speed Data

BPSK

Binary Phase Shift Keying

CAT

Content Applications Transactions

CDR

Call Detail Record

CES

Coast Earth Station

CS

Customer Service

CSS

Customer Service System

DNID

Data Network Identifier

EGC

Enhanced Group Call

FAQ

Frequently Asked Questions

FEC

Forward Error Correction

FtM

Fixed to Mobile

GAN

Global Area Network (=M4)

GMDSS

Global Maritime Distress and Safety System

GSO

Geo Stationary Orbit

HEO

High Earth Orbit

HSD

High Speed Data

IDD

International Direct Dialing

IMO

International Maritime Organization

INS

International Network Services

IOR

Indian Ocean Region

IT

Information Technology

ITNS

International Numbering Switch

ITU

International Telecommunications Union

LEO

Low Earth Orbit

LES

Land Earth Station

LESO

Land Earth Station Operator

MEO

Middle Earth Orbit

MES

Mobile Earth Station

MPDS

Mobile Packet Data Service

MtM

Mobile to Mobile

MtF

Mobile to Fixed

NCS

Network Control Station (Inmarsat)

NDN

Non Delivery Notification

PAG

Peace, Aid and Government

PDN

Positive Delivery Notification

POR

Pacific Ocean Region

PSTN

Public Switched Telephony Network

PSDN

Public Switched Data Network

QPSK

Quadrature Phase Shift Keying

RUC

Resource Utilization Charge

SAC

Short Access Code

SES

Ship Earth Station

SLES

Shared LES

SMTP

Simple Mail Transfer Protocol

SOLAS

Safety Of Life At Sea

SOSAR

Satellite Operations Support Account Receivable

SP

Service Provider

STU

Secure Telecommunication Unit

T&C

Terms & Conditions

TaB

Traffic and Billing

TTCM

Telemetry, Tracking, Control & Monitoring

UHF

Ultra High Frequency

USAT

Ultra Small Aperture Terminal

VAS

Value Added Services

VHF

Very High Frequency

VMS

Vessel Monitoring System

VSAT

Very Small Aperture Terminal

WRC

World Radio Conference