Canonical Atlas record

TR 23.981

Interworking aspects and migration scenarios for IPv4-based IP Multimedia Subsystem (IMS) implementations

Open in graph Compare this spec Standards catalogue

Search Rel-20 ↗JSON 3GPP Portal ↗DynaReport ↗

Responsible WGS2

StatusUnder change control

Initial releaseRel-5

Selected releaseRel-20

Latest indexed version19.0.0

Series23

TypeTR

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-55.0.01 WI2 CRs · 1 approved

Rel-66.4.02 WI9 CRs · 5 approved

Rel-77.0.00 WI0 CRs

Rel-88.0.00 WI0 CRs

Rel-99.0.00 WI0 CRs

Rel-1010.0.00 WI0 CRs

Rel-1111.0.00 WI0 CRs

Rel-1212.0.00 WI0 CRs

Rel-1313.0.00 WI0 CRs

Rel-1414.0.00 WI0 CRs

Rel-1515.0.00 WI0 CRs

Rel-1616.0.00 WI0 CRs

Rel-1717.0.00 WI0 CRs

Rel-1818.0.00 WI0 CRs

Rel-1919.0.00 WI0 CRs

Rel-20 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 22 of 22 indexed versions.

19.0.0Rel-19SA#1092025-10-06

18.0.0Rel-18SA#1032024-04-03

17.0.0Rel-17SA#95-e2022-03-30

16.0.0Rel-16SA#88-e2020-07-09

15.0.0Rel-15SA#802018-06-21

14.0.0Rel-14SA#752017-03-16

13.0.0Rel-13SA#702015-12-23

12.0.0Rel-12SA#652014-09-22

11.0.0Rel-11SA#572012-09-18

10.0.0Rel-10SA#512011-03-29

9.0.0Rel-9SA#462009-12-15

8.0.0Rel-8SA#422008-12-16

7.0.0Rel-7SA#362007-06-19

6.4.0Rel-6SA#292005-10-05

6.3.0Rel-6SA#272005-03-24

6.2.0Rel-6SA#262005-01-05

6.1.0Rel-6SA#252004-09-27

5.0.0Rel-5SA#252004-09-27

6.0.0Rel-6SA#242004-06-23

2.0.0Rel-6 · pre-approvalSA#242004-06-14

1.1.1Rel-6 · pre-approval-2004-05-12

1.1.0Rel-6 · pre-approval-2004-05-04

Atlas classifications

Meaning and provenance

No Atlas classifications have been attached yet.

Work Items

Standards work connected to TR 23.981

IMS

Provisioning of IP-based multimedia services

Historical association · verification pending

Rel-5historical link

IMS2

IMS Phase 2

Rel-6official

IPv4IMS

Study on Interworking aspects and migration scenarios for IPv4 based IMS Implementations

Rel-6official

Knowledge graph

Related standards

No graph edges indexed yet. The graph API is available at this JSON endpoint.