3GPP Atlas

Canonical Atlas record

TS 29.231

Application of SIP-I Protocols to Circuit Switched (CS) core network architecture; Stage 3

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Responsible WGC4
StatusUnder change control
Initial releaseRel-8
Selected releaseRel-9
Latest indexed version19.0.0
Series29
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-88.4.06 WI38 CRs · 13 approved
Rel-99.1.00 WI4 CRs · 2 approved
Rel-1010.0.01 WI3 CRs · 1 approved
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-1919.0.01 WI3 CRs · 1 approved

Rel-9 snapshot

Work affecting this release

4 indexed Change Requests · 0 connected Work Items.

Showing 4 CR records from the available cross-release sample. Browse release CR records (JSON) →

CR 0022 rev.1 — Non-INVITE transaction: handling according to RFC 4320

CR 0022 — Non-INVITE transaction: handling according to RFC 4320

CR 0024 — Support of response code 433 Anonimity Disallowed

CR 0027 — Forking and SDP offer-answer Interworking corrections

Version history

Indexed versions

Showing 24 of 24 indexed versions.

19.0.0Rel-19CT#1082025-06-13
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#802018-06-23
14.0.0Rel-14CT#752017-03-23
13.0.0Rel-13SA#702015-12-18
12.0.0Rel-12SA#652014-09-30
11.0.0Rel-11SA#572012-09-28
10.0.0Rel-10CT#512011-04-06
9.1.0Rel-9CT#472010-04-06
8.4.0Rel-8CT#472010-04-06
9.0.0Rel-9SA#462009-12-19
8.3.0Rel-8CT#452009-09-29
8.2.0Rel-8CT#432009-03-25
8.1.0Rel-8CT#422008-12-17
8.0.0Rel-8CT#412008-09-23
2.0.0Rel-8 · pre-approvalCT#412008-09-14
1.3.0Rel-8 · pre-approval-2008-07-08
1.2.0Rel-8 · pre-approval-2008-06-09
1.0.0Rel-8 · pre-approvalCT#392008-03-20
0.2.1Rel-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 29.231

NcSIP

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

Rel-7official
FS_SAE

Study on 3GPP System Architecture Evolution

Historical association · verification pending
Rel-8historical link
SAES

3GPP System Architecture Evolution Specification - Evolved Packet System (non RAN aspects)

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
SIP_Nc-St3C4

Application of SIP-I Protocols to Circuit Switched (CS) core network architecture; Stage 3

Historical association · verification pending
Rel-8historical link
TEI8

(Small) Technical Enhancements and Improvements for Rel-8

Rel-8parsed
TEI10

(Small) Technical Enhancements and Improvements for Rel-10

Rel-10parsed
TEI19

(Small) Technical Enhancements and Improvements for Rel-19

Rel-19parsed

Knowledge graph

Related standards

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