Release ledger
Canonical Atlas record
TS 23.279
Combining Circuit Switched (CS) and IP Multimedia Subsystem (IMS) services; Stage 2
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-7 snapshot
Work affecting this release
68 indexed Change Requests · 7 connected Work Items.
Showing 12 CR records from the available cross-release sample. Browse release CR records (JSON) →
CR 0003 rev.2 — IMS registration trigger
CR 0004 — Information about the current radio environment
CR 0004 rev.1 — Information about the current radio environment
CR 0005 — Clarification to missing up-to-date information
CR 0005 rev.1 — Clarification to missing up-to-date information
CR 0006 — Send UE capability update notification
CR 0006 rev.1 — Send UE capability update notification
CR 0006 rev.2 — Send UE capability update notification
CR 0007 — IMS registration trigger during the CSI session
CR 0008 — Radio Capability Exchange during the IMS session establishment
CR 0009 — Clarify the interaction between CSI and Call Forwarding
CR 0009 rev.1 — Clarify the interaction between CSI and Call Forwarding
Version history
Indexed versions
Showing 33 of 33 indexed versions.
Atlas classifications
Meaning and provenance
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Work Items
Standards work connected to TS 23.279
Combinational Services
Historical association · verification pendingStage 2 for CSICS
Historical association · verification pendingDeleted - Study on Terminating Session handling
CSI Terminating Session handling
Stage 2 of CStermS
Historical association · verification pendingStudy on Combining CS calls and IMS sessions
Historical association · verification pending(Small) Technical Enhancements and Improvements for Rel-7
3GPP System Architecture Evolution Specification - Evolved Packet System (non RAN aspects)
Historical association · verification pendingDeleted - Stage 2 of architecture for the 3GPP System Architecture Evolution
Historical association · verification pending(Small) Technical Enhancements and Improvements for Rel-8
Knowledge graph
Related standards
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