1 Introduction
2
Network components
2.1 Signalling links
2.2 Signalling points
3
Structural independence of international and national signalling
networks
4
Considerations common to both international and national signalling
networks
4.1 Availability of the network
4.2 Message transfer delay
4.3 Message sequence control
4.4 Number of signalling links used in load sharing
4.5 Satellite working
5 International signalling network
5.1 General
5.2 Number of signalling transfer points in signalling relations
5.3 Numbering of signalling points
5.4 Routing rules
5.5 Structures
5.6 Procedures
6
Signalling network for cross-border traffic
6.1 General
6.2 Use of international hierarchical level
6.3 Integrated numbering of national signalling networks
6.4 Interworking of national signalling networks
7
National signalling network
8
Procedures prevent unauthorized use of an STP (optional)
8.1 General
8.2 Identifying unauthorized SS No. 7 messages
8.3 Treatment of unauthorized SS No. 7 messages
8.4 Measurements
8.5 Notification to unauthorized user
9
SS No. 7 Planning Tools
Annex A – Mesh signalling network examples
A.1 General
A.2 Basic network structures (example)
A.3 Routing
A.4 Actions relating to failure conditions
A.5 Explanatory note from the implementors forum for clarification
of load sharing