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