ETSI - TS 129 503
5G; 5G System; Unified Data Management Services; Stage 3
|Publication Date:||1 July 2020|
The present document specifies the stage 3 protocol and data model for the Nudm Service Based Interface. It provides stage 3 protocol definitions and message flows, and specifies the API for each service offered by the UDM.
The 5G System stage 2 architecture and procedures are specified in 3GPP TS 23.501  and 3GPP TS 23.502 .
The Technical Realization of the Service Based Architecture and the Principles and Guidelines for Services Definition are specified in 3GPP TS 29.500  and 3GPP TS 29.501 .