Release ledger
Version · WI · CR evidence by release
Phase 2+5.0.00 WI0 CRs
Phase 24.1.10 WI0 CRs
Release 19976.0.00 WI0 CRs
Release 19987.0.00 WI0 CRs
Canonical Atlas record
TS 03.90
Unstructured Supplementary Service Data (USSD)
Responsible WGC4
StatusUnder change control
Initial releasePhase 2
Selected releaseRel-21
Latest indexed version7.0.0
Series3
TypeTS
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-21 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 6 of 6 indexed versions.
7.0.0Release 1998-1999-06-25
6.0.0Release 1997-1998-10-16
5.0.0Phase 2+-1996-10-11
4.1.1Phase 2-1995-08-07
4.1.0Phase 2-1995-07-07
4.0.0Phase 2-1993-10-01
Atlas classifications
Meaning and provenance
No Atlas classifications have been attached yet.
Work Items
Standards work connected to TS 03.90
No Work Item links indexed yet.
Knowledge graph
Related standards
No graph edges indexed yet. The graph API is available at this JSON endpoint.