TS 29.228
IP Multimedia (IM) Subsystem Cx and Dx Interfaces; Signalling flows and message contents
Rel-16TS5GCApproved
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Versions
| Version | Release | Date | Status |
|---|---|---|---|
| 19.2.0 | Rel-19 | 2026-07-26 | Approved |
| 18.0.0 | Rel-18 | 2026-07-25 | Approved |
| 17.1.0 | Rel-17 | 2026-07-25 | Approved |
| 16.1.0 | Rel-16 | 2026-07-25 | Approved |
| 15.3.0 | Rel-15 | 2026-07-25 | Approved |
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