Release ledger
Canonical Atlas record
TS 33.503
Security Aspects of Proximity based Services (ProSe) in the 5G System (5GS)
Responsible WGS3
StatusUnder change control
Initial releaseRel-17
Selected releaseRel-19
Latest indexed version20.0.0
Series33
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
18 indexed Change Requests · 1 connected Work Item.
Showing 12 CR records from the available cross-release sample. Browse release CR records (JSON) →
CR 0225 — Correction of PC5 direct communication security for relay services in TS 33.503
CR 0223 rev.1 — Remove duplicated descriptions about authorization in multi-hop relay
CR 0220 rev.1 — Clarification and editorial for multi-hop Relay scenarios
CR 0216 rev.2 — Addressing the Editor’s Notes in multi-hop U2N relay discovery security
CR 0211 — Adding multi-hop security features of 5G_ProSe_Sec_Ph3
CR 0222 — Remove duplicated descriptions about authorization in multi-hop relay
CR 0220 — Clarification and editorial for multi-hop Relay scenarios
CR 0212 — Adress Editor's Note about multi-hop UE-to-Network Relay discovery
CR 0221 — Add note for security of prose in npns
CR 0219 — Fix the figures of CP-based multi-hop U2NW link setup
CR 0213 — Adress Editor's Note about multi-hop UE-to-Network Relay discovery - PLMN restrictions
CR 0214 — Adressing the EN in multi-hop U2N Model A
Version history
Indexed versions
Showing 30 of 30 indexed versions.
20.0.0Rel-20SA#1122026-06-25
19.3.0Rel-19SA#1122026-06-25
18.6.0Rel-18SA#1122026-06-25
19.2.0Rel-19SA#1092025-09-26
19.1.0Rel-19SA#1082025-07-04
19.0.0Rel-19SA#1072025-03-25
18.5.0Rel-18SA#1062025-01-09
17.10.0Rel-17SA#1062025-01-09
18.4.0Rel-18SA#1052024-09-27
17.9.0Rel-17SA#1052024-09-27
18.3.0Rel-18SA#1042024-07-08
17.8.0Rel-17SA#1042024-07-08
18.2.0Rel-18SA#1032024-03-28
17.7.0Rel-17SA#1032024-03-28
18.1.0Rel-18SA#1022024-01-04
17.6.0Rel-17SA#1022024-01-04
18.0.0Rel-18SA#1012023-09-20
17.5.0Rel-17SA#1012023-09-20
17.4.0Rel-17SA#1002023-06-22
17.3.0Rel-17SA#992023-03-30
17.2.0Rel-17SA#98-e2023-01-06
17.1.0Rel-17SA#97-e2022-09-22
17.0.1Rel-17SA#962022-06-17
17.0.0Rel-17SA#962022-06-15
1.0.0Rel-17 · pre-approvalSA#962022-05-31
0.4.0Rel-17 · pre-approvalSA3#107-e2022-05-27
0.3.0Rel-17 · pre-approvalSA3#106-e2022-03-07
0.2.0Rel-17 · pre-approvalSA3#105-e2021-12-08
0.1.0Rel-17 · pre-approvalSA3#104-Adhoc-e2021-10-18
0.0.0Rel-17 · pre-approvalSA3#104-Adhoc-e2021-10-08
Atlas classifications
Meaning and provenance
No Atlas classifications have been attached yet.
Work Items
Standards work connected to TS 33.503
5G_ProSe
Rel-17parsedProximity based Services in 5GS
5G_ProSe
Rel-17officialSecurity Aspects of Proximity based Services in 5GS
TEI17
Rel-17parsed(Small) Technical Enhancements and Improvements for Rel-17
5G_ProSe_Ph2
Rel-18parsedProximity-based Services in 5GS Phase 2
TEI18
Rel-18parsed(Small) Technical Enhancements and Improvements for Rel-18
5G_ProSe_Sec_Ph3
Rel-19parsedSecurity Aspects of Proximity Based Services in 5GS Phase 3
TEI20
Rel-20parsed(Small) Technical Enhancements and Improvements for Rel-20
Knowledge graph
Related standards
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