1 Scope
2
References
3
Definitions
4
Abbreviations
5
Architectural model for interworking
6
Functions of the signalling system
6.1 Call set-up
6.2 Call release
6.3 Maintenance
7
Signalling interface
definition
7.1 Simplified Message Transfer Part
7.2 Satellite ISDN User Part
8
Satellite ISDN User Part (SIUP) definition
8.1 Elements for layer to layer communication
8.2 Elements for peer-to-peer communications
8.3 Specification of SIUP - SDL diagrams
Annex A – Figures on Basic Call Control Signalling Procedures