CONTENTS

 1     Definitions
 2     Choice of interface between a mobile DTE and the MSDSE
 3     International data number for a mobile DTE
 4     Data transmission prefixes
 5     Transfer of address signal between the MSDSE and a mobile DTE
        5.1     Calls originating in a PDN
        5.2     Calls originating at a mobile earth station
        5.3     Calls to special terminations
        5.4     Sub-addressing
 6     User services and facilities
 7     Routing
 8     Call progress signals and diagnostic codes
 9     Closed user groups
10     Interface to PADs
11     Transfer of C and I lead information
12     Handling of group calls (broadcast service)
Annex A – Allocation of telephone prefixes, telex access codes and data transmission prefixes