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-19
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-19 snapshot
Work affecting this release
9 indexed Change Requests · 3 connected Work Items.
Showing 9 CR records from the available cross-release sample. Browse release CR records (JSON) →
CR 0027 — 29.577 Rel-19 API version and External doc update
CR 0026 — Correction of attribute presence
CR 0025 — 29.577 Rel-19 API version and External doc update
CR 0024 — 29.577 Rel-19 API version and External doc update
CR 0023 — MPS for Messaging IP-SM-GW SBI
CR 0022 — 29.577 Rel-18 API version and External doc update
CR 0021 rev.1 — Add STRUCTURED TYPES
CR 0020 rev.1 — The term Payload is replaced with Content due to RFC 9113
CR 0029 — API version and External doc update
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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