CONTENTS

 1     Introduction
        1.1     Purpose
        1.2     Terminology
        1.3     Basic considerations
 2     Format of Inmarsat mobile international number
 3     E.164 codes for Inmarsat applications
 4     Format of Inmarsat mobile number
        4.1     General format
        4.2     Formats for Inmarsat-A system
        4.3     Formats for Inmarsat-B system
        4.4     Format for Inmarsat-C system
        4.5     Format for Inmarsat Aeronautical system
        4.6     Formats for Inmarsat-M system
        4.7     Formats for  Inmarsat-mini-M system
        4.8     Future Inmarsat systems
 5     Digit analysis
 6     Presentation of Inmarsat mobile numbers in directories
        6.1     General
Annex A – Use of ship station identification for maritime applications of systems operated by Inmarsat
        A.1     General
        A.2     Constraints on ship station identification and numbering
        A.3     Application of ship station identity
Annex B – Group call numbering scheme for Inmarsat systems
        B.1     Categories for group call services
        B.2     Group call formats
Annex C – Structure of the on-board identification digits in the  Inmarsat numbering plan
        C.1     Introduction
        C.2     Proposed structure
        C.3     Allocation