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• CCITT Rec. Q.705 (11/1988) – SIGNALLING NETWORK STRUCTURE
• 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 to prevent unauthorized use of an STP (Optional)
  • 8.1 General
  • 8.2 Identifying unauthorized SS7 messages
  • 8.3 Treatment of unauthorized SS7 messages
  • 8.4 Measurements
  • 8.5 Notification to unauthorized user
• 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