Release ledger
Canonical Atlas record
TS 02.90
Unstructured Supplementary Service Data (USSD); Stage 1
Responsible WGS1
StatusUnder change control
Initial releasePhase 2
Selected releaseRel-99
Latest indexed version7.0.0
Series2
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-99 snapshot
Work affecting this release
0 indexed Change Requests · 2 connected Work Items.
Showing 1 CR records from the available cross-release sample. Browse release CR records (JSON) →
CR A005 rev.2 — Use of USSD for application-to-application communication
Version history
Indexed versions
Showing 8 of 8 indexed versions.
7.0.0Release 1998-1999-06-25
8.0.0Release 1999-1999-02-12
6.0.0Release 1997-1998-10-16
4.1.1Phase 2-1997-09-15
5.1.0Phase 2+-1997-02-14
4.1.0Phase 2-1997-02-14
5.0.0Phase 2+-1996-10-11
4.0.1Phase 2-1993-10-01
Atlas classifications
Meaning and provenance
No Atlas classifications have been attached yet.
Work Items
Standards work connected to TS 02.90
TEI
R99parsed(Small) Technical Enhancements and Improvements for R99
USSD
R99officialUnstructured Supplementary Service Data (USSD)
Knowledge graph
Related standards
No graph edges indexed yet. The graph API is available at this JSON endpoint.