TS Latest: Rel-20 Core Network 5G

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.

Read TS 29.581 →

Document type
Technical Specification
Latest release
Rel-20
Latest version
20.0.0
Series
Category
Core Network
Network layer
CoreNetwork
Technology
5G

Releases and versions of TS 29.581

ReleaseLatest versionLinks
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?

Implementation notes

Complexity level: Advanced. Implementation difficulty: Medium.

Key technologies

5GNRHTTP/2JSONOpenAPI

Specifications referenced by TS 29.581

Specifications that reference TS 29.581

Other specifications in the 29 series

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.

View the full specification with interactive table of contents, version history, and AI analysis.

Read Full Specification →