Release ledger
Version · WI · CR evidence by release
Release 19993.0.00 WI0 CRs
Canonical Atlas record
TS 28.062
Inband Tandem Free Operation (TFO) of speech codecs; Service description; Stage 3
Responsible WGS4
StatusUnder change control
Initial releaseRel-4
Selected releaseRel-5
Latest indexed version19.0.0
Series28
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-5 snapshot
Work affecting this release
58 indexed Change Requests · 2 connected Work Items.
Showing 12 CR records from the available cross-release sample. Browse release CR records (JSON) →
CR 0026 rev.1 — Corrections to sections 9 and 10
CR 0027 — Immediate Codec Type Optimization
CR 0027 rev.1 — Immediate Codec Type Optimization
CR 0028 — Simplified Coding of Configurations for AMR-NB in TFO
CR 0029 — Simplified Coding of Configurations for AMR-WB in TFO
CR 0030 — TFO-Signalling for allowed AMR-WB Configurations
CR 0030 rev.1 — TFO-Signalling for allowed AMR-WB Configurations
CR 0031 — Simplified TFO Decision for AMR-WB
CR 0031 rev.1 — Simplified TFO Decision for AMR-WB
CR 0031 rev.2 — Simplified TFO Decision for AMR-WB
CR 0032 — Corrections to the TFO Decision Algorithm for AMR-WB
CR 0033 — TFO-Signalling for preferred AMR-NB Configurations
Version history
Indexed versions
Showing 39 of 39 indexed versions.
19.0.0Rel-19SA#1092025-10-28
18.0.0Rel-18SA#1032024-05-16
17.0.0Rel-17SA#95-e2022-04-07
16.0.0Rel-16SA#88-e2020-07-21
15.0.0Rel-15SA#802018-06-26
14.0.0Rel-14SA#752017-03-18
13.0.0Rel-13SA#702015-12-18
12.0.0Rel-12SA#652014-12-02
11.0.0Rel-11SA#572012-09-21
10.0.0Rel-10SA#512011-04-12
9.0.0Rel-9SA#462009-12-18
8.1.0Rel-8SA#432009-03-27
8.0.0Rel-8SA#422008-12-18
7.0.0Rel-7SA#362007-06-21
6.4.0Rel-6SA#362007-06-21
6.3.0Rel-6SA#332006-10-12
6.2.0Rel-6SA#302005-12-21
6.1.0Rel-6SA#262005-01-06
5.5.0Rel-5SA#262005-01-06
4.6.0Rel-4SA#262005-01-06
6.0.0Rel-6SA#252004-09-30
5.4.0Rel-5SA#212003-10-03
5.3.0Rel-5SA-#182003-01-03
4.5.0Rel-4SA-#182003-01-03
5.2.0Rel-5SA-#172002-09-24
5.1.0Rel-5SA-#162002-06-28
4.4.0Rel-4SA-#162002-06-28
5.0.0Rel-5SA-#152002-03-28
4.3.0Rel-4SA-#152002-03-28
4.2.0Rel-4SA-#142002-01-09
4.1.1Rel-4SA-#122001-10-01
4.1.0Rel-4SA-#122001-06-27
4.0.0Rel-4SA-#112001-04-10
1.1.0Rel-4 · pre-approval-2001-02-08
1.0.0Rel-4 · pre-approvalSA-#102000-12-21
0.0.3Rel-4 · pre-approvalSA-#92000-10-18
3.0.0Release 1999SA-#51999-10-13
0.0.0Rel-4 · pre-approvalSA-#51999-10-13
0.0.1Release 1999-—
Atlas classifications
Meaning and provenance
No Atlas classifications have been attached yet.
Work Items
Standards work connected to TS 28.062
WI 130
Rel-4historical linkSpecification of Tandem Free AMR
Historical association · verification pendingTFO
Rel-4officialTandem Free aspects for 3G and between 2G and 3G systems
TrFO
Rel-4historical linkTranscoder-Free Operation
Historical association · verification pendingTrFO-OoBTC
Rel-4historical linkOut-of-Band Transcoder Control solution
Historical association · verification pendingAMRWB
Rel-5officialWideband Telephony Service - AMR
TEI5
Rel-5parsed(Small) Technical Enhancements and Improvements for Rel-5
OAM6
Rel-6historical linkRel-6 Operations, Administration, Maintenance and Provisioning (OAM&P)
Historical association · verification pendingTEI6
Rel-6parsed(Small) Technical Enhancements and Improvements for Rel-6
TEI8
Rel-8parsed(Small) Technical Enhancements and Improvements for Rel-8
EVSoCS
Rel-13historical linkSupport of EVS in 3G Circuit-Switched networks
Historical association · verification pendingOoBT
R99historical linkOut-of-Band Transcoder
Historical association · verification pendingOoBTC
R99historical linkOut-of-Band Transcoder Control
Historical association · verification pendingTFOAMR
R99officialTandem Free Operation - Adaptive Multi-Rate codec types
Knowledge graph
Related standards
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