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Content for  TS 29.511  Word version:  17.2.0

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1  ScopeWord‑p. 6

The present document describes the stage 3 protocol and data model for the N5g-eir Service Based Interface between the 5G-EIR and its consumers over which the service to check the equipment identity as described in TS 23.501 is performed. It provides the stage 3 protocol definitions and message flows, and specifies the API for each service offered by the 5G-EIR.
The 5G System stage 2 architecture and procedures are specified in TS 23.501 and TS 23.502.
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.

2  ReferencesWord‑p. 6

The following documents contain provisions which, through reference in this text, constitute provisions of the present document.
  • References are either specific (identified by date of publication, edition number, version number, etc.) or non specific.
  • For a specific reference, subsequent revisions do not apply.
  • For a non-specific reference, the latest version applies. In the case of a reference to a 3GPP document (including a GSM document), a non-specific reference implicitly refers to the latest version of that document in the same Release as the present document.
TR 21.905: "Vocabulary for 3GPP Specifications".
TS 23.501: "System Architecture for the 5G System; Stage 2".
TS 23.502: "Procedures for the 5G System; Stage 2".
TS 29.500: "5G System; Technical Realization of Service Based Architecture; Stage 3".
TS 29.501: "5G System; Principles and Guidelines for Services Definition; Stage 3".
TS 29.571: "5G System; Common Data Types for Service Based Interfaces; Stage 3".
RFC 7540:  "Hypertext Transfer Protocol Version 2 (HTTP/2)".
OpenAPI Initiative, "OpenAPI Specification Version 3.0.0",
RFC 8259:  "The JavaScript Object Notation (JSON) Data Interchange Format".
RFC 7807:  "Problem Details for HTTP APIs".
TS 33.501: "Security Architecture and Procedures for 5G System".
RFC 6749:  "The OAuth 2.0 Authorization Framework".
TS 29.510: "5G System; Network Function Repository Services; Stage 3".
TR 21.900: "Technical Specification Group working methods".
TS 29.524: "5G System; Cause codes mapping between 5GC interfaces; Stage 3".

3  Definitions and abbreviationsWord‑p. 7

3.1  DefinitionsWord‑p. 7

For the purposes of the present document, the terms and definitions given in TR 21.905 and the following apply. A term defined in the present document takes precedence over the definition of the same term, if any, in TR 21.905.
Service-based interface exhibited by 5G-EIR

3.2  AbbreviationsWord‑p. 7

For the purposes of the present document, the abbreviations given in TR 21.905 and the following apply. An abbreviation defined in the present document takes precedence over the definition of the same abbreviation, if any, in TR 21.905.
5G-Equipment Identity Register
Equipment Identity Register
Permanent Equipment Identifier

4  OverviewWord‑p. 7

4.1  IntroductionWord‑p. 7

N5g-eir is a Service-based interface exhibited by 5G-EIR (5G-Equipment Identity Register) which is an optional network function that supports the following functionality:
  • Check the status of Equipment's identity (e.g. to check that it has not been prohibited listed).
The reference point N17 (see Figure 4-1 below) shows the interaction between the 5G-Equipment Identity Register 5G-EIR and the AMF (Access and Mobility Management Function) enabling the check of the status of the mobile equipment identity.
Copy of original 3GPP image for 3GPP TS 29.511, Fig. 4-1: Reference Model - N5g-eir
Figure 4-1: Reference Model - N5g-eir
(⇒ copy of original 3GPP image)
During any procedure establishing a signalling connection with the UE the network may optionally perform an ME identity check with 5G-EIR via the N5g-eir_Equipment Identity Check Service exhibited by 5G-EIR.

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