TS 22.173
IP Multimedia Core Network Subsystem (IMS) Multimedia Telephony Service and supplementary services; Stage 1
Rel-18TS3GPP ServicesApproved
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Versions
| Version | Release | Date | Status |
|---|---|---|---|
| 20.0.0 | Rel-20 | 2026-07-26 | Approved |
| 19.0.0 | Rel-19 | 2026-07-26 | Approved |
| 18.0.1 | Rel-18 | 2026-07-25 | Approved |
| 17.3.0 | Rel-17 | 2026-07-25 | Approved |
| 16.3.0 | Rel-16 | 2026-07-25 | Approved |
| 15.1.0 | Rel-15 | 2026-07-25 | Approved |
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