TS 29.538 – MSGin5G Service API Stage 3
3GPP TS 29.538 is the 3GPP Technical Specification for MSGin5G Service API Stage 3. Its official 3GPP title is “Enabling MSGin5G Service”. It is published in 4 releases (Rel-17 to Rel-20); the latest version is 20.0.0 in Rel-20.
Defines APIs for MSGin5G service enabling messaging for massive IoT over 5G, including registration, delivery, and topic messaging.
Releases and versions of TS 29.538
| Release | Latest version | Links |
|---|---|---|
| Rel-20 | 20.0.0 | Read · Download (3GPP) |
| Rel-19 | 19.4.0 | Read · Download (3GPP) |
| Rel-18 | 18.8.0 | Read · Download (3GPP) |
| Rel-17 | 17.3.0 | Read · Download (3GPP) |
Scope of TS 29.538
Category: Services (Application Programming Interface (API)). Technology generation: 5G. Network layer: Services.
Who should read this specification?
- Network operators
- Device manufacturers
- Regulators and standards bodies
- Researchers and academics
Implementation notes
Complexity level: Intermediate. Implementation difficulty: Medium.
Key technologies
Specifications referenced by TS 29.538
- TR 21.900 3GPP Document Management Working Methods
- TR 33.862 Security for 5G Message Service MIoT
- TR 21.905 3GPP Terminology and Definitions
- TS 33.501 5G Security Architecture
- TS 33.122 CAPIF Security Architecture Specification
- TS 29.522 NEF Northbound Interface
- TS 29.122 T8 SCEF Service Exposure APIs
- TS 23.554 MSGin5G Service Application Architecture
- TS 22.262 MSGin5G Service Requirements
- TS 29.500 5G Service Based Architecture
- TS 29.571 5G Common Data Types
- TS 23.222 Common API Framework (CAPIF)
Specifications that reference TS 29.538
- TS 24.538 MSGin5G Service Protocol Specification
Other specifications in the 29 series
- TS 29.534 5G Access and Mobility Policy Authorization
- TS 29.535 AAnF Service Based Interface
- TS 29.536 Nnsacf Network Slice Admission Control
- TS 29.537 MBS Policy Control Services (Stage 3)
- TS 29.540 Nsmsf Service-Based Interface for SMSF
- TS 29.541 NEF South-Bound Interfaces for NIDD and SMS
- TS 29.542 Nsmf NIDD Service API (TS 29.542)
- TS 29.543 Data Transfer Policy Control Services
Frequently asked questions
What is 3GPP TS 29.538?
3GPP TS 29.538 is the 3GPP Technical Specification for MSGin5G Service API Stage 3. Defines APIs for MSGin5G service enabling messaging for massive IoT over 5G, including registration, delivery, and topic messaging.
Which 3GPP releases include TS 29.538?
TS 29.538 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 29.538 belong to?
TS 29.538 belongs to the Services (Application Programming Interface (API)) category of 3GPP specifications. It applies to 5G networks.
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