TS 29.168 – SBc-AP Protocol Specification
3GPP TS 29.168 is the 3GPP Technical Specification for SBc-AP Protocol Specification. It is published in 12 releases (Rel-8 to Rel-19); the latest version is 19.0.0 in Rel-19.
Defines SBc-AP interface for Public Warning System (PWS) message transmission between MME/CBC and PWS-IWF/CBC in EPS and 5GS.
Releases and versions of TS 29.168
| Release | Latest version | Links |
|---|---|---|
| Rel-19 | 19.0.0 | Read · Download (3GPP) |
| Rel-18 | 18.0.0 | Read · Download (3GPP) |
| Rel-17 | 17.1.0 | Read · Download (3GPP) |
| Rel-16 | 16.0.0 | Read · Download (3GPP) |
| Rel-15 | 15.1.0 | Read · Download (3GPP) |
| Rel-14 | 14.2.0 | Read · Download (3GPP) |
| Rel-13 | 13.3.0 | Read · Download (3GPP) |
| Rel-12 | 12.10.0 | Read · Download (3GPP) |
| Rel-11 | 11.5.0 | Read · Download (3GPP) |
| Rel-10 | 10.3.1 | Read · Download (3GPP) |
| Rel-9 | 9.6.0 | Read · Download (3GPP) |
| Rel-8 | 8.4.0 | Read · Download (3GPP) |
Scope of TS 29.168
Category: Core Network (Interfaces and Protocols). Technology generation: Multi-Gen. Network layer: CoreNetwork.
Who should read this specification?
- Network operators
- Device manufacturers
- Regulators and standards bodies
Implementation notes
Complexity level: Intermediate. Implementation difficulty: Medium.
Key technologies
Specifications referenced by TS 29.168
- TS 29.002 Mobile Application Part (MAP) Specification
- TS 22.268 Public Warning System (PWS) Requirements
- TS 23.041 Cell Broadcast Service and Public Warning System
- TS 23.007 Restoration procedures
- TS 38.413 NG Application Protocol (NGAP) Specification
- TS 23.527 5G Restoration Procedures for N4 Interface
- TR 21.905 3GPP Terminology and Definitions
- TS 36.413 S1 Application Protocol (S1AP) for E-UTRAN
Specifications that reference TS 29.168
Other specifications in the 29 series
- TS 29.162 IMS-IP Network Interworking
- TS 29.163 Interworking between 3GPP IM CN and CS networks
- TS 29.164 CS-LTE Interworking with SIP-I, BICC, ISUP
- TS 29.165 Inter-IMS Network-to-Network Interface (II-NNI)
- TS 29.171 LCS-AP between MME and E-SMLC (SLs)
- TS 29.172 EPC LCS Protocol (ELP) specification
- TS 29.173 Diameter-based SLh Interface for LCS
- TS 29.175 Nimsas Service Based Interface for IMS AS
Related glossary terms
Related topics
Related technologies
Frequently asked questions
What is 3GPP TS 29.168?
3GPP TS 29.168 is the 3GPP Technical Specification for SBc-AP Protocol Specification. Defines SBc-AP interface for Public Warning System (PWS) message transmission between MME/CBC and PWS-IWF/CBC in EPS and 5GS.
Which 3GPP releases include TS 29.168?
TS 29.168 is published in 12 releases, from Rel-8 to Rel-19. The latest version on 3GPP Explorer is 19.0.0 (Rel-19).
What category does TS 29.168 belong to?
TS 29.168 belongs to the Core Network (Interfaces and Protocols) category of 3GPP specifications. It applies to Multi-Gen networks.
View the full specification with interactive table of contents, version history, and AI analysis.
Read Full Specification →