Release ledger
Canonical Atlas record
TS 29.550
5G System; Steering of roaming application function services; Stage 3
Responsible WGC4
StatusUnder change control
Initial releaseRel-16
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
25 indexed Change Requests · 4 connected Work Items.
Showing 12 CR records from the available cross-release sample. Browse release CR records (JSON) →
CR 0054 — API version and External doc update
CR 0048 — 29.550 Rel18 API version and External doc update
CR 0047 — 29.550 Rel-18 API version and External doc update
CR 0045 — 29.550: Replacing obsoleted HTTP RFC 7807 with 9457
CR 0042 rev.1 — Major API version
CR 0043 rev.1 — Update and replace obsoleted HTTP RFCs
CR 0041 — 29.550 Rel-18 API version and External doc update
CR 0039 rev.1 — Updates on SOR information for SNPN scenarios
CR 0037 rev.4 — Location header and missing Redirection clause
CR 0036 — 29.550 Rel-18 API version and External doc update
CR 0035 rev.1 — Missing Mandatory Status Codes in OpenAPI
CR 0038 — 29.550 Rel-18 API version and External doc update
Version history
Indexed versions
Showing 25 of 25 indexed versions.
20.0.0Rel-20CT#1122026-07-01
19.2.0Rel-19CT#1102026-01-06
18.4.0Rel-18CT#1102026-01-06
17.5.0Rel-17CT#1102026-01-06
16.6.0Rel-16CT#1102026-01-06
19.1.0Rel-19CT#1092025-09-28
19.0.0Rel-19CT#1082025-06-23
18.3.0Rel-18CT#1042024-06-26
18.2.0Rel-18CT#1022024-01-02
18.1.0Rel-18CT#1002023-06-26
18.0.0Rel-18CT#98-e2022-12-16
17.4.0Rel-17CT#962022-06-21
16.5.0Rel-16CT#962022-06-21
17.3.0Rel-17CT#94-e2021-12-17
17.2.0Rel-17CT#93-e2021-09-17
16.4.0Rel-16CT#93-e2021-09-17
17.1.0Rel-17CT#92-e2021-06-29
17.0.0Rel-17CT#91-e2021-03-30
16.3.0Rel-16CT#90-e2020-12-11
16.2.0Rel-16CT#89-e2020-09-25
16.1.0Rel-16CT#88-e2020-07-07
16.0.0Rel-16CT#87-e2020-03-30
1.0.0Rel-16 · pre-approvalCT#87-e2020-03-10
0.2.0Rel-16 · pre-approvalCT4#96-e2020-03-10
0.1.0Rel-16 · pre-approvalCT4#96-e—
Atlas classifications
Meaning and provenance
No Atlas classifications have been attached yet.
Work Items
Standards work connected to TS 29.550
5G_eSBA
Rel-16historical linkEnhancements to the Service-Based 5G System Architecture
Historical association · verification pendingNSORAF
Rel-16officialNsoraf Service Based Interface
TEI16
Rel-16historical link(Small) Technical Enhancements and Improvements for Rel-16
Historical association · verification pendingSBIProtoc17
Rel-17historical linkService Based Interface Protocol Improvements Release 17
Historical association · verification pendingTEI17
Rel-17parsed(Small) Technical Enhancements and Improvements for Rel-17
eCPSOR_CON
Rel-17historical linkEnhancement for the 5G Control Plane Steering of Roaming for UE in Connected mode
Historical association · verification pendingeNPN
Rel-17historical linkEnhanced support of Non-Public Networks
Historical association · verification pendingSBIProtoc18
Rel-18parsedService Based Interface Protocol Improvements Release 18
TEI18
Rel-18parsed(Small) Technical Enhancements and Improvements for Rel-18
eNPN_Ph2
Rel-18parsedNon-Public Networks Phase 2
eNS_Ph3
Rel-18historical linkNetwork Slicing Phase 3
Historical association · verification pendingTEI19
Rel-19parsed(Small) Technical Enhancements and Improvements for Rel-19
SBIProtoc20-CT
Rel-20parsedService Based Interface Protocol Improvements for Release 20
TEI20
Rel-20parsed(Small) Technical Enhancements and Improvements for Rel-20
Knowledge graph
Related standards
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