Release ledger
Canonical Atlas record
TS 29.561
5G System; Interworking between 5G Network and external Data Networks; Stage 3
Responsible WGC3
StatusUnder change control
Initial releaseRel-15
Selected releaseRel-20
Latest indexed version20.1.0
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-20 snapshot
Work affecting this release
31 indexed Change Requests · 1 connected Work Item.
Showing 12 CR records from the available cross-release sample. Browse release CR records (JSON) →
CR 0224 rev.3 — Correction of reference
CR 0223 rev.3 — Addition of missing reference
CR 0221 rev.3 — Correction of typos
CR 0225 rev.1 — Corrections to references and missing clause
CR 0220 rev.1 — Update the 3GPP-RAT-Type to support NR eRedCap access type
CR 0218 rev.2 — Correction to VLAN tag with separate PCP and DEI
CR 0212 rev.2 — Updates to the obsoleted IETF RFC 8415
CR 0220 — Update the 3GPP-RAT-Type to support NR eRedCap access type
CR 0224 rev.2 — Correction of reference numbers
CR 0213 — Nonce counter Capsule usage clarification
CR 0232 — Correction of L2TP procedure
CR 0223 — Addition of explicit reference identifiers for normative reference
Version history
Indexed versions
Showing 54 of 54 indexed versions.
20.1.0Rel-20CT#1132026-09-24
20.0.0Rel-20CT#1122026-06-22
19.6.0Rel-19CT#1122026-06-22
19.5.0Rel-19CT#1112026-03-18
19.4.0Rel-19CT#1102026-01-13
19.3.0Rel-19CT#1092025-09-23
19.2.0Rel-19CT#1082025-06-16
19.1.0Rel-19CT#1072025-03-14
19.0.0Rel-19CT#1062024-12-19
18.5.0Rel-18CT#1052024-09-16
17.11.0Rel-17CT#1052024-09-16
18.4.0Rel-18CT#1042024-06-24
17.10.0Rel-17CT#1042024-06-24
16.9.0Rel-16CT#1042024-06-24
18.3.0Rel-18CT#1032024-03-25
18.2.0Rel-18CT#1012023-09-18
18.1.0Rel-18CT#1002023-06-26
17.9.0Rel-17CT#1002023-06-26
18.0.0Rel-18CT#992023-03-29
17.8.0Rel-17CT#98-e2022-12-16
17.7.0Rel-17CT#97-e2022-09-16
17.6.0Rel-17CT#962022-06-10
17.5.0Rel-17CT#95-e2022-03-21
17.4.0Rel-17CT#94-e2021-12-22
17.3.1Rel-17CT3#117-e2021-09-24
17.3.0Rel-17CT#93-e2021-09-23
17.2.0Rel-17CT#92-e2021-06-25
16.8.0Rel-16CT#92-e2021-06-25
15.7.0Rel-15CT#92-e2021-06-25
17.1.0Rel-17CT#91-e2021-04-02
16.7.0Rel-16CT#91-e2021-04-02
17.0.0Rel-17CT#90-e2020-12-18
16.6.0Rel-16CT#90-e2020-12-18
15.6.0Rel-15CT#90-e2020-12-18
16.5.0Rel-16CT#89-e2020-09-25
15.5.0Rel-15CT#89-e2020-09-25
16.4.0Rel-16CT#88-e2020-07-10
15.4.0Rel-15CT#88-e2020-07-10
16.3.0Rel-16CT#87-e2020-03-27
16.2.0Rel-16CT#862019-12-23
16.1.0Rel-16CT#852019-09-27
15.3.0Rel-15CT#852019-09-27
16.0.0Rel-16CT#842019-06-17
15.2.0Rel-15CT#842019-06-17
15.1.0Rel-15CT#812018-09-21
15.0.0Rel-15CT#802018-06-22
1.0.0Rel-15 · pre-approvalCT#802018-06-07
0.6.0Rel-15 · pre-approvalCT3#972018-05-31
0.5.0Rel-15 · pre-approvalCT3#962018-04-26
0.4.0Rel-15 · pre-approvalCT3#952018-03-12
0.3.0Rel-15 · pre-approvalCT3#942018-02-01
0.1.0Rel-15 · pre-approvalCT3#922018-01-22
0.2.0Rel-15 · pre-approvalCT3#932017-12-09
0.0.0Rel-15 · pre-approvalCT#77—
Atlas classifications
Meaning and provenance
No Atlas classifications have been attached yet.
Work Items
Standards work connected to TS 29.561
SAES-St3-intwk
Rel-8parsedStage 3 EPC interworking with external PDNs (SGi)
DUMMY
Rel-13parsedAwaiting formal work item
5GS_Ph1
Rel-15official5G System - Phase 1
5GS_Ph1-CT
Rel-15officialCT aspects of 5G System - Phase 1
5G_CIoT
Rel-16historical linkCellular IoT support and evolution for the 5G System
Historical association · verification pending5WWC
Rel-16parsedWireless and Wireline Convergence for the 5G system architecture
ATSSS
Rel-16parsedAccess Traffic Steering, Switch and Splitting support in the 5G system architecture
ETSUN
Rel-16historical linkEnhancing Topology of SMF and UPF in 5G Networks
Historical association · verification pendingTEI16
Rel-16historical link(Small) Technical Enhancements and Improvements for Rel-16
Historical association · verification pendingVertical_LAN
Rel-16historical link5GS Enhanced support of Vertical and LAN Services
Historical association · verification pendingeNS
Rel-16parsedEnhancement of Network Slicing
en5GPccSer
Rel-16parsedEnhancement of 5G PCC related services
5MBS
Rel-17historical linkMulticast-broadcast services in 5G
Historical association · verification pendingARCH_NR_REDCAP
Rel-17historical linkArchitecture Enhancement for NR Reduced Capability Devices
Historical association · verification pendingBEPoP
Rel-17parsedBest Practice of Packet Forwarding Control Protocol (PFCP)
MPS2
Rel-17parsedMultimedia Priority Service (MPS) Phase 2
TEI17
Rel-17parsed(Small) Technical Enhancements and Improvements for Rel-17
eNPN
Rel-17parsedEnhanced support of Non-Public Networks
5MBS_Ph2
Rel-18parsed5G multicast-broadcast services Phase 2
ATSSS_Ph3
Rel-18parsedAccess Traffic Steering, Switch and Splitting support in the 5G system architecture; Phase 3
NR_REDCAP_Ph2
Rel-18parsedNR RedCap UE with long eDRX for RRC_INACTIVE State
SEAL_Ph3
Rel-18parsedService Enabler Architecture Layer for Verticals Phase 3
TEI18
Rel-18parsed(Small) Technical Enhancements and Improvements for Rel-18
TEI18_IPv6PD
Rel-18parsedGeneral Support of IPv6 Prefix Delegation in 5GS
TEI18_SDNAEPC
Rel-18parsedSecondary DN Authentication and authorization in EPC IWK cases
TEI19
Rel-19parsed(Small) Technical Enhancements and Improvements for Rel-19
TEI19_VLANSUB
Rel-19parsedProviding per-subscriber VLAN instructions from UDM and DN-AAA
XRM_Ph2
Rel-19parsedExtended Reality and Media service (XRM) Phase 2
TEI20
Rel-20parsed(Small) Technical Enhancements and Improvements for Rel-20
Knowledge graph
Related standards
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