Release ledger
Canonical Atlas record
TR 23.899
Combining Circuit Switched (CS) bearers with IP Multimeida Subsystem (IMS)
Responsible WGS2
StatusWithdrawn before change control
Initial releaseRel-6
Selected releaseRel-99
Latest indexed version1.2.0
Series23
TypeTR
Release evolution
Compare evidence between releases
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-99 snapshot
Work affecting this release
0 indexed Change Requests · 0 connected Work Items.
Showing 0 CR records from the available cross-release sample. Browse release CR records (JSON) →
Version history
Indexed versions
Showing 10 of 10 indexed versions.
1.2.0Rel-6 · pre-approval-2005-07-18
1.1.0Rel-6 · pre-approval-2005-02-25
1.0.0Rel-6 · pre-approvalSA#262004-12-21
0.5.0Rel-6 · pre-approval-2004-12-03
0.4.0Rel-6 · pre-approval-2004-10-26
0.2.0Rel-6 · pre-approval-2004-05-27
0.1.0Rel-6 · pre-approval-2004-04-28
0.0.0Rel-6 · pre-approval-2004-04-16
0.4.1Rel-6 · pre-approval-—
0.3.0Rel-6 · pre-approval-—
Atlas classifications
Meaning and provenance
No Atlas classifications have been attached yet.
Work Items
Standards work connected to TR 23.899
IRTSD-CS_IMS
Rel-7historical linkStudy on Combining CS calls and IMS sessions
Historical association · verification pendingIRTSD-IMSCS
Rel-7historical linkDeleted - Study on Stage 2 (IMS services using CS bearers)
Historical association · verification pendingKnowledge graph
Related standards
No graph edges indexed yet. The graph API is available at this JSON endpoint.