5G System; Data Transfer Policy Control Services; Stage 3
The present document specifies the stage 3 protocol and data model for the Service Based Interface (SBI) of the Data Transfer Policy Control Services. It provides stage 3 protocol definitions and message flows, and specifies the APIs of the Data Transfer Policy Control Services offered by the Policy Control Function (PCF).
The 5G System stage 2 architecture is specified in 3GPP TS 23.501 [2]. The stage 2 definition and related procedures for Data Transfer Policy Control Services are specified in 3GPP TS 23.502 [3] and 3GPP TS 23.503 [14].
The 5G System stage 3 call flows are provided in 3GPP TS 29.513 [15].
The Technical Realization of the Service Based Architecture and the Principles and Guidelines for Services Definition are specified in 3GPP TS 29.500 [4] and 3GPP TS 29.501 [5].