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Content for TS 29.175 Word version: 18.1.0

1… 5…

5.1 Introduction 5.2 Nimsas_SessionEventControl Service 5.3 Nimsas_MediaControl Service 6.1 Nimsas_SessionEventControl Service API 6.2 Nimsas_MediaControl Service API A.1 General A.2 Nimsas_SessionEventControl API A.3 Nimsas_MediaControl API

5 Services offered by the IMS AS p. 10

5.1 Introduction p. 10

5.2 Nimsas_SessionEventControl Service p. 10

5.2.1 Service Description p. 10

5.2.2 Service Operations p. 10

5.2.2.1 Introduction p. 10

5.2.2.1A Subscribe p. 11

5.2.2.2 Notify p. 11

5.2.2.2.1 General p. 11

5.2.2.2.2 Notification for Session Event p. 11

5.3 Nimsas_MediaControl Service p. 11

5.3.1 Service Description p. 11

5.3.2 Service Operations p. 12

5.3.2.1 Introduction p. 12

5.3.2.2 MediaInstruction p. 12

5.3.2.2.1 General p. 12

5.3.2.2.2 Media Instruction p. 12

6 API Definitions p. 13

6.1 Nimsas_SessionEventControl Service API p. 13

6.1.1 API URI 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. 14

6.1.2.3 HTTP custom headers p. 14

6.1.3 Resources p. 14

6.1.3.1 Overview p. 14

6.1.3.2 Resource: Session Event Subscriptions 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. 15

6.1.4 Custom Operations without associated resources p. 15

6.1.5 Notifications p. 15

6.1.5.1 General p. 15

6.1.5.2 Session Event Notification p. 15

6.1.5.2.1 Description p. 15

6.1.5.2.2 Target URI p. 16

6.1.5.2.3 Standard Methods p. 16

6.1.6 Data Model p. 17

6.1.6.1 General p. 17

6.1.6.2 Structured data types p. 17

6.1.6.2.1 Introduction p. 17

6.1.6.2.2 Type: SessionEventNotification p. 18

6.1.6.2.3 Type: NotificationEvent p. 18

6.1.6.2.4 Type: SessionInfo p. 18

6.1.6.2.5 Type: MediaInfo p. 19

6.1.6.2.6 Type: DcMediaSpec p. 19

6.1.6.3 Simple data types and enumerations p. 19

6.1.6.3.1 Introduction p. 19

6.1.6.3.2 Simple data types p. 19

6.1.6.3.3 Enumeration: EventType p. 20

6.1.6.3.4 Enumeration: MediaType p. 20

6.1.6.3.5 Enumeration: SessionCase p. 20

6.1.6.3.6 Enumeration: EventInitiator p. 20

6.1.6.4 Data types describing alternative data types or combinations of data types p. 21

6.1.6.5 Binary data p. 21

6.1.7 Error Handling p. 21

6.1.7.1 General p. 21

6.1.7.2 Protocol Errors p. 21

6.1.7.3 Application Errors p. 21

6.1.8 Feature negotiation p. 21

6.1.9 Security p. 21

6.1.10 HTTP redirection p. 22

6.2 Nimsas_MediaControl Service API p. 22

6.2.1 API URI p. 22

6.2.2 Usage of HTTP p. 22

6.2.2.1 General p. 22

6.2.2.2 HTTP standard headers p. 22

6.2.2.2.1 General p. 22

6.2.2.2.2 Content type p. 22

6.2.2.3 HTTP custom headers p. 23

6.2.3 Resources p. 23

6.2.3.1 Overview p. 23

6.2.3.2 Resource: Individual call session p. 23

6.2.3.2.1 Description p. 23

6.2.3.2.2 Resource Definition p. 23

6.2.3.2.3 Resource Standard Methods p. 24

6.2.3.2.4 Resource Custom Operations p. 24

6.2.4 Custom Operations without associated resources p. 25

6.2.5 Notifications p. 25

6.2.6 Data Model p. 25

6.2.6.1 General p. 25

6.2.6.2 Structured data types p. 26

6.2.6.2.1 Introduction p. 26

6.2.6.2.2 Type: MediaInstructionData p. 26

6.2.6.2.3 Type: MediaInstructions p. 27

6.2.6.2.4 Type: DcMediaSpecification p. 28

6.2.6.2.5 Type: ArMediaSpecification p. 28

6.2.6.2.6 Type: Mdc2EndpointInfo p. 29

s6.2.6.2.7 Type: AudioVideoReNegotiationInd p. 29

6.2.6.3 Simple data types and enumerations p. 30

6.2.6.3.1 Introduction p. 30

6.2.6.3.2 Simple data types p. 30

6.2.6.3.3 Enumeration: MediaInstruction p. 30

6.2.6.3.4 Enumeration: MediaConnSide p. 30

6.2.6.4 Data types describing alternative data types or combinations of data types p. 30

6.2.6.5 Binary data p. 30

6.2.7 Error Handling p. 31

6.2.7.1 General p. 31

6.2.7.2 Protocol Errors p. 31

6.2.7.3 Application Errors p. 31

6.2.8 Feature negotiation p. 31

6.2.9 Security p. 31

6.2.10 HTTP redirection p. 31

A (Normative) OpenAPI specification p. 33

A.1 General p. 33

A.2 Nimsas_SessionEventControl API p. 33

A.3 Nimsas_MediaControl API p. 36

$ Change history p. 41