FREE5GC 5G Core

• AMF
  • Access and Mobility Management Function [1]
    • Protocols
      • NAS [2]
      • NGAP [3]
      • SBI [4]
    • Call Flow
      • Registration
      • Deregistration
      • Authorization & Authentication
      • PDU Session Establishment/ Modification
      • Registration with AMF Re-allocation
      • Xn-based Inter NG-RAN Handover
      • Inter NG RAN Node N2-based Handover
      • Configuration Update
• SMF
  • Session Management Function [1]
    • Protocols
      • PFCP [2]
      • UDP [3]
      • SBI(Service-based Interface) [4]
    • Call Flow
      • Session Establishment
      • Session Modification
      • Session Release
      • Addition of additional PSA and BP or UL CL
      • Handover Procedure
• UPF
  • User Plane Function [1]
    • Protocols
      • PFCP [2]
      • GTP-U [3]
    • Call Flow