TS 29.277 – S102 Interface Protocol Specification
3GPP TS 29.277 is the 3GPP Technical Specification for S102 Interface Protocol Specification. It is published in 12 releases (Rel-8 to Rel-19); the latest version is 19.0.0 in Rel-19.
Specifies S102 interface between MME and 1xCS IWS for SRVCC and CS fallback to 1xRTT.
Releases and versions of TS 29.277
| Release | Latest version | Links |
|---|---|---|
| Rel-19 | 19.0.0 | Read · Download (3GPP) |
| Rel-18 | 18.0.0 | Read · Download (3GPP) |
| Rel-17 | 17.0.0 | Read · Download (3GPP) |
| Rel-16 | 16.0.0 | Read · Download (3GPP) |
| Rel-15 | 15.0.0 | Read · Download (3GPP) |
| Rel-14 | 14.0.0 | Read · Download (3GPP) |
| Rel-13 | 13.0.0 | Read · Download (3GPP) |
| Rel-12 | 12.0.0 | Read · Download (3GPP) |
| Rel-11 | 11.1.0 | Read · Download (3GPP) |
| Rel-10 | 10.1.0 | Read · Download (3GPP) |
| Rel-9 | 9.2.0 | Read · Download (3GPP) |
| Rel-8 | 8.6.0 | Read · Download (3GPP) |
Scope of TS 29.277
Category: Core Network (Interworking). Technology generation: 4G. Network layer: CoreNetwork.
Who should read this specification?
- Network operators
- Device manufacturers
Implementation notes
Complexity level: Intermediate. Implementation difficulty: Medium.
Key technologies
Specifications referenced by TS 29.277
Other specifications in the 29 series
- TS 29.273 EPS AAA Reference Points and Procedures
- TS 29.274 GTPv2-C Control Plane Protocol
- TS 29.275 PMIPv6 Mobility & Tunnelling Protocols Stage 3
- TS 29.276 EPS S101/S121/S103 Interfaces Stage 3
- TS 29.278 CAMEL Application Part (CAP) for IMS Phase 4
- TS 29.279 MIPv4 Mobility Protocol over S2a
- TS 29.280 Sv Interface Specification for SRVCC
- TS 29.281 GTPv1-U Protocol Specification
Related glossary terms
Related topics
Related technologies
Frequently asked questions
What is 3GPP TS 29.277?
3GPP TS 29.277 is the 3GPP Technical Specification for S102 Interface Protocol Specification. Specifies S102 interface between MME and 1xCS IWS for SRVCC and CS fallback to 1xRTT.
Which 3GPP releases include TS 29.277?
TS 29.277 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 29.277 belong to?
TS 29.277 belongs to the Core Network (Interworking) category of 3GPP specifications. It applies to 4G networks.
View the full specification with interactive table of contents, version history, and AI analysis.
Read Full Specification →