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TechSpec
  • Foreword
  • Introduction
  • 1 Scope
  • 2 References
  • 3 Definitions and abbreviations
  • 4 Network architecture
    • 4 Network architecture
    • 4.1 Scenarios
      • 4.1 Scenarios
      • 4.1.1 Outbound traffic (not yet protected) from own to foreign NE
      • 4.1.2 Inbound traffic from foreign to own NE
      • 4.1.3 Inbound transit traffic
      • 4.1.4 Outbound transit traffic (not relayed)
      • 4.1.5 Outbound traffic from own to own NE
      • 4.1.6 Inbound traffic from own to own NE
      • 4.1.7 Outbound traffic from foreign to own NE
      • 4.1.8 Inbound traffic from own to foreign NE
      • 4.1.9 Outbound traffic (already protected) from own to foreign NE
      • 4.1.10 Outbound transit traffic (relayed by SRF)
  • 5 Detailed Behaviour of the SS7 Security Gateway
    • 5.1 TCAP user traffic
      • 5.1.1 General
      • 5.1.2 Interactions with Mobile Number Portability
      • 5.1.3 Interactions with SCCP segmentation
      • 5.1.4 Protocol details

1 Scope

29.2043GPPArchitecture, functional description and protocol detailsRelease 17Signalling System No. 7 (SS7) security gatewayTS

Tools: ARFCN - Frequency Conversion for 5G NR/LTE/UMTS/GSM

The present document provides functional description of the SS7 Security Gateway. The document covers also network architecture, routeing considerations, and protocol details.