Canonical Atlas record

TS 26.103

Speech codec list for GSM and UMTS

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Responsible WGS4

StatusUnder change control

Initial releaseRel-4

Selected releaseRel-6

Latest indexed version19.0.0

Series26

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.

Release ledger

Version · WI · CR evidence by release

Rel-44.4.03 WI17 CRs · 9 approved

Rel-55.6.04 WI22 CRs · 10 approved

Rel-66.2.02 WI13 CRs · 6 approved

Rel-77.0.00 WI0 CRs

Rel-88.2.02 WI7 CRs · 3 approved

Rel-99.1.00 WI1 CR · 1 approved

Rel-1010.0.00 WI0 CRs

Rel-1111.0.00 WI0 CRs

Rel-1212.0.00 WI0 CRs

Rel-1313.3.02 WI8 CRs · 3 approved

Rel-1414.0.00 WI0 CRs

Rel-1515.0.00 WI0 CRs

Rel-1616.0.01 WI1 CR · 1 approved

Rel-1717.0.00 WI0 CRs

Rel-1818.0.00 WI0 CRs

Rel-1919.0.00 WI0 CRs

R99no version indexed5 WI4 CRs · 2 approved

Release 19993.2.00 WI0 CRs

Rel-6 snapshot

Work affecting this release

13 indexed Change Requests · 2 connected Work Items.

Showing 12 CR records from the available cross-release sample. Browse release CR records (JSON) →

CR 0036 rev.1 — Clarifications for AMR

CR 0023 — Harmonisation of AMR Configurations

CR 0023 rev.1 — Harmonisation of AMR Configurations

CR 0023 rev.2 — Harmonisation of AMR Configurations

CR 0025 — Error Fixes

CR 0025 rev.1 — Error Fixes

CR 0026 — Clarifications for AMR version 1

CR 0027 — Clarifications for AMR version 2

CR 0029 — Correction of Size and Reference of MuMe Codec

CR 0029 rev.1 — Correction of Size and Reference of MuMe Codec

CR 0032 — TFO/TrFO Compatibility of UMTS_AMR and UMTS_AMR2

CR 0036 — Clarifications for AMR

Version history

Indexed versions

Showing 37 of 37 indexed versions.

19.0.0Rel-19SA#1092025-10-21

18.0.0Rel-18SA#1032024-05-16

17.0.0Rel-17SA#95-e2022-04-07

16.0.0Rel-16SA#832019-03-28

15.0.0Rel-15SA#802018-06-22

14.0.0Rel-14SA#752017-03-17

13.3.0Rel-13SA#732016-09-30

13.2.0Rel-13SA#722016-06-24

13.1.0Rel-13SA#712016-03-17

13.0.0Rel-13SA#702015-12-18

12.0.0Rel-12SA#652014-09-26

11.0.0Rel-11SA#572012-09-21

10.0.0Rel-10SA#512011-04-05

9.1.0Rel-9SA#512011-04-02

8.2.0Rel-8SA#512011-04-02

9.0.0Rel-9SA#462009-12-18

8.1.0Rel-8SA#422008-12-18

8.0.0Rel-8SA#412008-09-26

7.0.0Rel-7SA#362007-06-21

6.2.0Rel-6SA#312006-03-31

6.1.0Rel-6SA#262005-01-06

5.6.0Rel-5SA#262005-01-06

4.4.0Rel-4SA#262005-01-06

6.0.0Rel-6SA#252004-09-30

5.5.0Rel-5SA#252004-09-30

5.4.0Rel-5SA-#182003-01-03

5.3.0Rel-5SA-#172002-09-24

5.2.0Rel-5SA-#162002-06-28

4.3.0Rel-4SA-#162002-06-28

3.2.0Release 1999SA-#162002-06-28

5.1.0Rel-5SA-#152002-03-28

4.2.0Rel-4SA-#142002-01-09

3.1.0Release 1999SA-#142002-01-09

5.0.0Rel-5SA-#112001-04-10

4.1.0Rel-4SA-#112001-04-10

4.0.0Rel-4SA-#102000-12-21

3.0.0Release 1999SA-#61999-12-17

Atlas classifications

Meaning and provenance

No Atlas classifications have been attached yet.

Work Items

Standards work connected to TS 26.103

TFO

Tandem Free aspects for 3G and between 2G and 3G systems

Rel-4official

TrFO

Transcoder-Free Operation

Rel-4official

TrFO-OoBTC

Out-of-Band Transcoder Control solution

Historical association · verification pending

Rel-4historical link

AMRWB

Wideband Telephony Service - AMR

Rel-5official

IMS

Provisioning of IP-based multimedia services

Historical association · verification pending

Rel-5historical link

IMS-CODEC

Multimedia codecs and protocols for conversational PS services

Rel-5official

SCUDIF

Service Change and UDI Fallback

Rel-5official

OAM6

Rel-6 Operations, Administration, Maintenance and Provisioning (OAM&P)

Historical association · verification pending

Rel-6historical link

TEI6

(Small) Technical Enhancements and Improvements for Rel-6

Rel-6parsed

AoIP

AoIP (A-interface over IP)

Historical association · verification pending

Rel-8historical link

AoIP-CSoIP

Media Requirements for CS over IP based User Plane

Rel-8official

EVSoCS

Support of EVS in 3G Circuit-Switched networks

Rel-13official

EVSoCS-S4

SA4 aspects of EVS in 3G Circuit-Switched networks

Rel-13parsed

Alt_FX_EVS

Alternative EVS implementation using updated fixed-point basic operators

Rel-16parsed

Mandatory_Speech_Codec,AMR-NB,AMR

Mandatory speech codec for narrowband telephony service

Historical association · verification pending

R99historical link

OoBT

Out-of-Band Transcoder

Historical association · verification pending

R99historical link

OoBTC

Out-of-Band Transcoder Control

Historical association · verification pending

R99historical link

TEI

(Small) Technical Enhancements and Improvements for R99

R99parsed

TFOAMR

Tandem Free Operation - Adaptive Multi-Rate codec types

R99official

Knowledge graph

Related standards

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