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TS 29.176
IP Multimedia Subsystem (IMS) –
Media Function (MF) Services
Stage 3

3GPP‑Page ETSI‑search

V19.0.0 (Wzip) 2024/12 … p.

V18.4.0 (PDF) 2024/12 … p.

Rapporteur:: Ms. Ji, Mengdi
Huawei Technologies France

full Table of Contents for TS 29.176 Word version: 18.2.0

1 Scope p. 7

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.

2 References p. 7

3 Definitions, symbols and abbreviations p. 8

3.1 Definitions p. 8

3.2 Symbols p. 8

3.3 Abbreviations p. 8

4 Overview p. 8

5 Services offered by the MF p. 9

5.1 Introduction p. 9

5.2 Nmf_MediaResourceManagement (MRM) Service p. 9

5.2.1 Service Description p. 9

5.2.2 Service Operations p. 9

5.2.2.1 Introduction p. 9

5.2.2.2 Nmf_MRM_Create Service Operation p. 9

5.2.2.2.1 General p. 9

5.2.2.2.2 Creation of a new media context p. 10

5.2.2.3 Nmf_MRM_Update Service Operation p. 11

5.2.2.3.1 General p. 11

5.2.2.3.2 Updating an existing media context p. 11

5.2.2.4 Nmf_MRM_Delete Service Operation p. 12

5.2.2.4.1 General p. 12

5.2.2.4.2 Deleting an existing media context p. 12

6 API Definitions p. 13

6.1 Nmf_MRM Service API p. 13

6.1.1 Introduction p. 13

6.1.2 Usage of HTTP p. 13

6.1.2.1 General p. 13

6.1.2.2 HTTP standard headers p. 13

6.1.2.2.1 General p. 13

6.1.2.2.2 Content type p. 13

6.1.2.3 HTTP custom headers p. 13

6.1.3 Resources p. 14

6.1.3.1 Overview p. 14

6.1.3.2 Resource: Contexts Collection p. 14

6.1.3.2.1 Description p. 14

6.1.3.2.2 Resource Definition p. 14

6.1.3.2.3 Resource Standard Methods p. 15

6.1.3.2.4 Resource Custom Operations p. 16

6.1.3.3 Resource: Individual Context p. 16

6.1.3.3.1 Description p. 16

6.1.3.3.2 Resource Definition p. 16

6.1.3.3.3 Resource Standard Methods p. 16

6.1.3.3.4 Resource Custom Operations p. 18

6.1.4 Custom Operations without associated resources p. 19

6.1.5 Notifications p. 19

6.1.6 Data Model p. 19

6.1.6.1 General p. 19

6.1.6.2 Structured data types p. 20

6.1.6.2.1 Introduction p. 20

6.1.6.2.2 Type: MediaContext p. 20

6.1.6.2.3 Type: TerminationInfo p. 20

6.1.6.2.4 Type: MediaInfo p. 21

6.1.6.2.5 Type: DcMedia p. 22

6.1.6.2.6 Type: ArMedia p. 23

6.1.6.2.7 Type: Mdc1Info p. 23

6.1.6.2.8 Type: Mdc2Info p. 23

6.1.6.2.9 Type: NonDcMedia p. 24

6.1.6.3 Simple data types and enumerations p. 24

6.1.6.3.1 Introduction p. 24

6.1.6.3.2 Simple data types p. 24

6.1.6.3.3 Enumeration: Mdc2Protocol p. 24

6.1.7 Error Handling p. 24

6.1.7.1 General p. 24

6.1.7.2 Protocol Errors p. 25

6.1.7.3 Application Errors p. 25

6.1.8 Feature negotiation p. 25

6.1.9 Security p. 25

6.1.10 HTTP redirection p. 25

A (Normative) OpenAPI specification p. 26

A.1 General p. 26

A.2 Nmf_MRM API p. 26

$ Change history p. 32