Release ledger
Canonical Atlas record
TS 29.577
5G System; IP Short Message Gateway and SMS Router For Short Message Services; Stage 3
Responsible WGC4
StatusUnder change control
Initial releaseRel-17
Selected releaseRel-18
Latest indexed version20.0.0
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.
Rel-18 snapshot
Work affecting this release
21 indexed Change Requests · 2 connected Work Items.
Showing 12 CR records from the available cross-release sample. Browse release CR records (JSON) →
CR 0019 — 29.577 Rel-18 API version and External doc update
CR 0018 rev.1 — Style Corrections of Nipsmgw and Nrouter API
CR 0016 — 29.577 Rel-18 API version and External doc update
CR 0015 — SMSF Registration Information
CR 0013 — ProblemDetails RFC 7807 obsoleted by 9457
CR 0012 — HTTP RFCs obsoleted by IETF RFC 9113
CR 0011 — 29.577 Rel-18 API version and External doc update
CR 0010 rev.1 — OAuth2 scopes in the Nrouter_SMService API
CR 0007 rev.3 — Location header description
CR 0009 — OAuth2 scopes in the Nipsmgw_SMService API
CR 0006 — 29.577 Rel-18 API version and External doc update
CR 0005 rev.1 — Missing Mandatory Status Codes in OpenAPI
Version history
Indexed versions
Showing 17 of 17 indexed versions.
20.0.0Rel-20CT#1122026-07-01
19.4.0Rel-19CT#1102026-01-06
19.3.0Rel-19CT#1092025-09-28
19.2.0Rel-19CT#1082025-06-23
19.1.0Rel-19CT#1072025-03-17
19.0.0Rel-19CT#1052024-09-19
18.4.0Rel-18CT#1042024-06-26
18.3.0Rel-18CT#1032024-03-27
17.2.0Rel-17CT#1032024-03-27
18.2.0Rel-18CT#1022024-01-02
18.1.0Rel-18CT#1002023-06-26
18.0.0Rel-18CT#98-e2022-12-16
17.1.0Rel-17CT#97-e2022-09-23
17.0.0Rel-17CT#962022-06-21
1.0.0Rel-17 · pre-approvalCT#962022-05-30
0.2.0Rel-17 · pre-approvalCT4#110-e2022-05-30
0.1.0Rel-17 · pre-approvalCT4#109-e2022-04-20
Atlas classifications
Meaning and provenance
No Atlas classifications have been attached yet.
Work Items
Standards work connected to TS 29.577
SMS_SBI
Rel-17officialCT4 aspects of SMS_SBI
SMS_SBI
Rel-17parsedService-based support for SMS in 5GC
TEI17
Rel-17parsed(Small) Technical Enhancements and Improvements for Rel-17
SBIProtoc18
Rel-18parsedService Based Interface Protocol Improvements Release 18
TEI18
Rel-18parsed(Small) Technical Enhancements and Improvements for Rel-18
MPS4msg
Rel-19parsedMPS for Messaging services
SBIProtoc19
Rel-19parsedService Based Interface Protocol Improvements Release 19
TEI19
Rel-19parsed(Small) Technical Enhancements and Improvements for Rel-19
TEI20
Rel-20parsed(Small) Technical Enhancements and Improvements for Rel-20
Knowledge graph
Related standards
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