Release ledger
Version · WI · CR evidence by release
Phase 11.0.00 WI0 CRs
Phase 24.6.00 WI0 CRs
Phase 2+5.0.00 WI0 CRs
Ph2no version indexed0 WI23 CRs · 22 approved
Release 19976.0.00 WI0 CRs
Release 19987.0.00 WI0 CRs
Release 19998.0.00 WI0 CRs
Canonical Atlas record
TS 12.21
Network Management (NM) procedures and messages on the A-bis interface
Responsible WGR6
StatusUnder change control
Initial releasePhase 1
Selected releaseRel-96
Latest indexed version8.0.0
Series12
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-96 snapshot
Work affecting this release
0 indexed Change Requests · 0 connected Work Items.
Showing 5 CR records from the available cross-release sample. Browse release CR records (JSON) →
CR A022 — Addition of Get_Attribute _Response Abis message.
CR A026 — Enhanced alarm management over the Abis interface
CR A027 — Abis management of Measurements on the BTS site
CR A024 — Assignment of code value to File Data parameter
CR A025 — Abis management of BTS site reconfiguration
Version history
Indexed versions
Showing 14 of 14 indexed versions.
8.0.0Release 1999GERAN-#92002-05-06
7.0.0Release 1998GERAN-#92002-05-06
6.0.0Release 1997GERAN-#92002-05-06
4.5.4Phase 2-1998-05-28
5.0.0Phase 2+-1997-02-14
4.5.2Phase 2-1995-10-20
4.5.0Phase 2-1995-01-27
1.0.0Phase 1—1995-01-01
4.4.0Phase 2-1994-07-01
4.3.0Phase 2-1994-01-21
4.2.0Phase 2-1993-10-01
4.1.0Phase 2-1993-06-25
4.6.0Phase 2-—
4.0.0Phase 2-—
Atlas classifications
Meaning and provenance
No Atlas classifications have been attached yet.
Work Items
Standards work connected to TS 12.21
No Work Item links indexed yet.
Knowledge graph
Related standards
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