3GPP Atlas

Canonical Atlas record

TS 23.231

SIP-I based circuit-switched core network; Stage 2

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Responsible WGC4
StatusUnder change control
Initial releaseRel-8
Selected releaseRel-99
Latest indexed version19.0.0
Series23
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-7no version indexed1 WI0 CRs
Rel-88.4.09 WI57 CRs · 26 approved
Rel-99.0.01 WI0 CRs
Rel-1010.0.03 WI5 CRs · 2 approved
Rel-1111.1.11 WI5 CRs · 2 approved
Rel-1212.0.01 WI2 CRs · 1 approved
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-99 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 23 of 23 indexed versions.

19.0.0Rel-19SA#1092025-10-08
18.0.0Rel-18SA#1032024-04-08
17.0.0Rel-17SA#95-e2022-04-01
16.0.0Rel-16SA#88-e2020-07-08
15.0.0Rel-15SA#802018-06-22
14.0.0Rel-14CT#752017-03-21
13.0.0Rel-13SA#702015-09-25
12.0.0Rel-12CT#622013-12-17
11.1.1Rel-11CT#542012-11-15
11.1.0Rel-11CT#542011-12-19
11.0.0Rel-11CT#532011-09-26
10.0.0Rel-10CT#512011-04-04
9.0.0Rel-9SA#462009-12-18
8.4.0Rel-8CT#442009-06-08
8.3.0Rel-8CT#432009-03-25
8.2.0Rel-8CT#422008-12-16
8.1.0Rel-8CT#412008-09-23
8.0.0Rel-8CT#402008-06-09
2.0.0Rel-8 · pre-approvalCT#402008-06-06
1.0.0Rel-8 · pre-approvalCT#392008-03-20
0.2.0Rel-8 · pre-approval-2007-11-19
0.1.0Rel-8 · pre-approval-2007-10-22
0.0.0Rel-8 · pre-approval-2007-09-24

Atlas classifications

Meaning and provenance

No Atlas classifications have been attached yet.

Work Items

Standards work connected to TS 23.231

NcSIP

Study on Support of (G)MSC-S - (G)MSC-S Nc Interface based on the SIP-I protocol

Rel-7official
AoIP

AoIP (A-interface over IP)

Historical association · verification pending
Rel-8historical link
AoIP-CN

CT4 part of Core Network Impacts for A-Interface User Plane over IP

Historical association · verification pending
Rel-8historical link
AoIP-CN

Core Network Impacts for A-Interface User Plane over IP

Historical association · verification pending
Rel-8historical link
CAT

Customized Alerting Tone (CAT) service

Historical association · verification pending
Rel-8historical link
CAT-3G_CS

CT4 part of CAT Service in 3GPP CS domain

Historical association · verification pending
Rel-8historical link
CAT-3G_CS

CAT Service in 3GPP CS domain

Historical association · verification pending
Rel-8historical link
SIP_Nc

Support of (G)MSC-S (G)MSC-S Nc Interface based on the SIP-I protocol

Historical association · verification pending
Rel-8historical link
SIP_Nc-St2

SIP-I based circuit-switched core network; Stage 2

Rel-8official
TEI8

(Small) Technical Enhancements and Improvements for Rel-8

Rel-8parsed
CS-IBCF

CT4 aspects of CS-IBCF and CS-TrGW definition in 3GPP specifications

Historical association · verification pending
Rel-9historical link
LCLS-CN

Stage 2/3 for CN aspects of Local Call Local Switch

Historical association · verification pending
Rel-10historical link
LCLS-CN

TR on CN aspects of Local Call Local Switch

Historical association · verification pending
Rel-10historical link
TEI10

(Small) Technical Enhancements and Improvements for Rel-10

Rel-10parsed
ACR_CS-CN

CT4 part of Core Network aspects of Anonymous Call Rejection in the CS domain (Stage 2/3)

Historical association · verification pending
Rel-11historical link
TEI12

(Small) Technical Enhancements and Improvements for Rel-12

Rel-12parsed

Knowledge graph

Related standards

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