Release ledger
Canonical Atlas record
TS 24.183
IP Multimedia Subsystem (IMS) Customized Ringing Signal (CRS); Protocol specification
Release evolution
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Use indexed version, Work Item and Change Request evidence to see what changed around this specification. This is an evidence trail, not a clause-by-clause normative diff.
Rel-16 snapshot
Work affecting this release
38 indexed Change Requests · 2 connected Work Items.
Showing 12 CR records from the available cross-release sample. Browse release CR records (JSON) →
CR 0065 — Add CRS URN in Alert-Info header field
CR 0063 — Use preconditions for CRS when terminating UE supports precondition
CR 0063 rev.1 — Use preconditions for CRS when terminating UE supports precondition
CR 0063 rev.2 — Use preconditions for CRS when terminating UE supports precondition
CR 0064 — Clean-up
CR 0064 rev.1 — Clean-up
CR 0064 rev.2 — Clean-up
CR 0062 — Correction in CRS interactions with CDIV
CR 0065 rev.1 — Add CRS URN in Alert-Info header field
CR 0073 — Remove the resolved EN about IANA registration of g.3gpp.crs
CR 0056 rev.1 — Signalling flows for CRS of gateway model
CR 0056 rev.2 — Signalling flows for CRS of gateway model
Version history
Indexed versions
Showing 57 of 57 indexed versions.
Atlas classifications
Meaning and provenance
No Atlas classifications have been attached yet.
Work Items
Standards work connected to TS 24.183
Customized Ringing Signal
Historical association · verification pendingStage 3 for IMS Customized Ringing Signal (CRS) Service
Historical association · verification pendingStage 1 for Customized Ringing Signal
Historical association · verification pendingStage 3 for Enhancements of IMS Customized Alerting Tone (CAT) Service
(Small) Technical Enhancements and Improvements for Rel-11
(Small) Technical Enhancements and Improvements for Rel-16
Historical association · verification pendingVideo enhancement of IMS CAT/CRS/announcement services
(Small) Technical Enhancements and Improvements for Rel-17
Knowledge graph
Related standards
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