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• ITU-T Rec. Q.86.2 (1988) – CHARGING SUPPLEMENTARY SERVICES – ADVICE OF CHARGE SUPPLEMENTARY SERVICE (AOC)
• 2 Advice of charge supplementary service (AOC)
  • 2.1 General
    • 2.1.1 Charging information at the end of the call
    • 2.1.2 Charging information during a call
    • 2.1.3 Charging information at call setup time
  • 2.2 Description
    • 2.2.1 Charging information at the end of a call
    • 2.2.2 Charging information during a call
    • 2.2.3 Charging information at call setup time
  • 2.3 Derivation of a functional model
  • 2.4 Information flow diagrams
    • 2.4.1 Information flows for charging at the end of a call
    • 2.4.2 Information flows for charging information during a call
    • 2.4.3 Information flows for information about charging rates
  • 2.5 SDL – Diagrams for the functional entities
  • 2.6 Functional entity actions
    • 2.6.1 Functional entity actions for FE2
    • 2.6.2 Functional entity actions for FE3
    • 2.6.3 Functions entity actions for FE4
  • 2.7 Allocation of Functional entities to physical location