TS 29.581 – Nmbstf Service Based Interface Stage 3
3GPP TS 29.581 is the 3GPP Technical Specification for Nmbstf Service Based Interface Stage 3. Its official 3GPP title is “5G System; Multicast/Broadcast Service Transport Services”. It is published in 4 releases (Rel-17 to Rel-20); the latest version is 20.0.0 in Rel-20.
Specifies stage 3 protocol and data model for MBSTF SBI, including MBS Distribution Session management via HTTP/2 APIs.
Releases and versions of TS 29.581
| Release | Latest version | Links |
|---|---|---|
| Rel-20 | 20.0.0 | Read · Download (3GPP) |
| Rel-19 | 19.3.0 | Read · Download (3GPP) |
| Rel-18 | 18.6.0 | Read · Download (3GPP) |
| Rel-17 | 17.7.0 | Read · Download (3GPP) |
Scope of TS 29.581
Category: Core Network (Service Based Architecture). Technology generation: 5G. Network layer: CoreNetwork.
Who should read this specification?
- Network operators
- Device manufacturers
- Researchers and academics
Implementation notes
Complexity level: Advanced. Implementation difficulty: Medium.
Key technologies
Specifications referenced by TS 29.581
- TS 29.510 NRF Service-Based Interface
- TS 23.247 5G Multicast and Broadcast Services
- TS 29.571 5G Common Data Types
- TS 26.502 5G Multicast-Broadcast User Services Architecture
- TS 29.580 MBSF Nmbsf Service-Based Interface
- TR 21.905 3GPP Terminology and Definitions
- TS 23.501 5G System Architecture
- TS 23.502 5G System Procedures
- TS 29.500 5G Service Based Architecture
- TS 29.501 5GC SBI API Design Principles
- TR 21.900 3GPP Document Management Working Methods
- TS 33.501 5G Security Architecture
Specifications that reference TS 29.581
Other specifications in the 29 series
- TS 29.577 IP-SM-GW and SMS Router SBI Stage 3
- TS 29.578 Nmnpf Service Based Interface for 5G System
- TS 29.579 5G SMS-IWMSC Service Based Interface Protocol
- TS 29.580 MBSF Nmbsf Service-Based Interface
- TS 29.582 MCData Interworking with LMR Systems
- TS 29.583 PIN-9 Personal IoT Network API
- TS 29.585 TSN Interworking Protocol for 5G System
- TS 29.586 Nslpkmf Service Based Interface for 5G Ranging and Sidelink Positioning
Frequently asked questions
What is 3GPP TS 29.581?
3GPP TS 29.581 is the 3GPP Technical Specification for Nmbstf Service Based Interface Stage 3. Specifies stage 3 protocol and data model for MBSTF SBI, including MBS Distribution Session management via HTTP/2 APIs.
Which 3GPP releases include TS 29.581?
TS 29.581 is published in 4 releases, from Rel-17 to Rel-20. The latest version on 3GPP Explorer is 20.0.0 (Rel-20).
What category does TS 29.581 belong to?
TS 29.581 belongs to the Core Network (Service Based Architecture) category of 3GPP specifications. It applies to 5G networks.
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