TS 22.279
Combined Circuit Switched (CS) and IP Multimedia Subsystem (IMS) sessions; Stage 1
Rel-15TS3GPP ServicesApproved
AI Summary
No AI summary has been generated for this specification yet.
Versions
| Version | Release | Date | Status |
|---|---|---|---|
| 19.0.0 | Rel-19 | 2026-07-26 | Approved |
| 18.0.1 | Rel-18 | 2026-07-25 | Approved |
| 17.0.0 | Rel-17 | 2026-07-25 | Approved |
| 16.0.0 | Rel-16 | 2026-07-25 | Approved |
| 15.0.0 | Rel-15 | 2026-07-25 | Approved |
Related Specifications
TS 22.185
Service requirements for V2X services
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.990
Study on off-network for rail
Service
Rel-18TS3GPP ServicesUpdated 2026-07-25
TS 22.989
Study on Future Railway Mobile Communication System
Service
Rel-20TS3GPP ServicesUpdated 2026-07-26
TS 22.988
Study on alternatives to E.164 for Machine-Type Communications (MTC)
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.987
Study of haptic services requirements
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.986
Study on Service Specific Access Control
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.985
Service requirements for the User Data Convergence (UDC)
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.983
Services alignment and migration
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25