The present document specifies the stage 3 protocol and data model for the Nmf Service Based Interface. It provides stage 3 protocol definitions and message flows, and specifies the API for each service offered by the Media Function (MF).
The 5G System stage 2 architecture and procedures are specified in TS 23.501
and TS 23.502
The IP Multimedia Subsystem (IMS) Data Channel (DC) architecture and procedures are specified in Annex AC
of TS 23.228
The Technical Realization of the Service Based Architecture and the Principles and Guidelines for Services Definition are specified in TS 29.500
and TS 29.501