ITU-T RECOMMENDATION E.216 – Selection procedures for the INMARSAT mobile-satellite telephone and ISDN services
1 Introduction
    1.1 Purpose
    1.2 Related CCITT Recommendations
2 Number structures
3 Procedures for shore-to-ship calls
    3.1 General selection sequence
    3.2 Selection of S digit
    3.3 INMARSAT mobile number
4 Procedures for ship-to-shore calls
    4.1 General
    4.2 Calling a terrestrial subscriber
    4.3 Calling an operator
    4.4 Other prefixes given in Annex A
5 Procedures for ship-to-ship calls
6 Instructions for telephone subscribers
7 Instructions for users at ship earth stations
ANNEX A – Allocation of telephone prefixes, telex access codes and data transmission prefixes
ANNEX B – Application of telephone prefixes, data transmission prefixes and telex access codes … Definitions and descriptions
    B.1 Operator
    B.2 Automatic facilities
    B.3 Specialized assistance
    B.4 Ship reporting
    B.5 Information retrieval services (prefixes 5x)
    B.6 Specialized use
    B.7 (Reserved for future use.)
    B.8 (Reserved for future use.)
    B.9 Test