TS 29.555 – 5G DDNMF Service Based Interface Stage 3
3GPP TS 29.555 is the 3GPP Technical Specification for 5G DDNMF Service Based Interface Stage 3. Its official 3GPP title is “5G Direct Discovery Name Management 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 API for N5g-ddnmf Service Based Interface, enabling inter-PLMN ProSe Direct Discovery management in 5G core network.
Releases and versions of TS 29.555
| Release | Latest version | Links |
|---|---|---|
| Rel-20 | 20.0.0 | Read · Download (3GPP) |
| Rel-19 | 19.2.0 | Read · Download (3GPP) |
| Rel-18 | 18.5.0 | Read · Download (3GPP) |
| Rel-17 | 17.2.0 | Read · Download (3GPP) |
Scope of TS 29.555
Category: Core Network (5G Core Protocols). 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: High.
Key technologies
Specifications referenced by TS 29.555
- TS 33.501 5G Security Architecture
- TS 29.510 NRF Service-Based Interface
- TR 21.900 3GPP Document Management Working Methods
- TS 29.571 5G Common Data Types
- TS 23.003 Numbering, Addressing and Identification
- TR 21.905 3GPP Terminology and Definitions
- TS 23.501 5G System Architecture
- TS 23.502 5G System Procedures
- TS 23.304 5G Proximity Services (ProSe) Stage 2
- TS 29.500 5G Service Based Architecture
- TS 29.501 5GC SBI API Design Principles
Specifications that reference TS 29.555
Other specifications in the 29 series
- TS 29.551 5G PFD Management Service Stage 3
- TS 29.552 5G Network Data Analytics Procedures
- TS 29.553 Npanf Service Based Interface Stage 3 Protocol
- TS 29.554 BDT Policy Control Service
- TS 29.556 EASDF Service Based Interface Stage 3
- TS 29.557 5G ProSe Application Function Service
- TS 29.558 Edge Application Enablement APIs
- TS 29.559 5G PKMF Service Based Interface
Frequently asked questions
What is 3GPP TS 29.555?
3GPP TS 29.555 is the 3GPP Technical Specification for 5G DDNMF Service Based Interface Stage 3. Specifies stage 3 protocol and API for N5g-ddnmf Service Based Interface, enabling inter-PLMN ProSe Direct Discovery management in 5G core network.
Which 3GPP releases include TS 29.555?
TS 29.555 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 29.555 belong to?
TS 29.555 belongs to the Core Network (5G Core Protocols) category of 3GPP specifications. It applies to 5G networks.
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