Southbound APIs (3GPP interfaces)

Handlers and reference points

Handler Reference point
PCF Handler N5
NEF Handler N33
BSF Handler Nbsf
TSCTSF Handler N52
AMF Handler Namf
LMF Handler Nlmf
GMLC Handler Ngmlc
UDR Handler Nudr

Implemented Southbound Modules

The following southbound handlers are currently implemented:

  • PCF Handler: Located in southbound/pcf_handler. Implements the N5 reference point (Npcf_PolicyAuthorization) to communicate with the Policy Control Function.

Future/Planned Modules