TS 21.202
Technical Specifications and Technical Reports relating to the Common IP Multimedia Subsystem (IMS)
Rel-18TS3GPP SystemApproved
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Versions
| Version | Release | Date | Status |
|---|---|---|---|
| 19.1.0 | Rel-19 | 2026-07-26 | Approved |
| 18.1.0 | Rel-18 | 2026-07-26 | Approved |
| 17.1.0 | Rel-17 | 2026-07-26 | Approved |
| 16.1.0 | Rel-16 | 2026-07-26 | Approved |
| 15.1.0 | Rel-15 | 2026-07-26 | Approved |
Related Specifications
TS 21.919
Release 19 Description; Summary of Rel-19 Work Items
General
Rel-19TS3GPP SystemUpdated 2026-07-26
TS 21.918
Release 18 Description; Summary of Rel-18 Work Items
General
Rel-18TS3GPP SystemUpdated 2026-07-26
TS 21.917
Release 17 Description; Summary of Rel-17 Work Items
General
Rel-17TS3GPP SystemUpdated 2026-07-26
TS 21.916
Release 16 Description; Summary of Rel-16 Work Items
General
Rel-16TS3GPP SystemUpdated 2026-07-26
TS 21.915
Release 15 Description; Summary of Rel-15 Work Items
General
Rel-15TS3GPP SystemUpdated 2026-07-26
TS 21.905
Vocabulary for 3GPP Specifications
General
Rel-15TS3GPP SystemUpdated 2026-07-26
TS 21.900
Technical Specification Group working methods
General
Rel-20TS3GPP SystemUpdated 2026-07-26
TS 21.866
Study on Energy Efficiency Aspects of 3GPP Standards
General
Rel-15TS3GPP SystemUpdated 2026-07-26