Release ledger
Canonical Atlas record
TS 33.127
Lawful Interception (LI) architecture and functions
Responsible WGS3
StatusUnder change control
Initial releaseRel-15
Selected releaseRel-19
Latest indexed version19.8.0
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
109 indexed Change Requests · 1 connected Work Item.
Showing 12 CR records from the available cross-release sample. Browse release CR records (JSON) →
CR 0325 rev.1 — Correction on the usage scenarios of MF in DC Application Proxy and Adding configuration in IMS-AGW / TrGW for IMS DC LI
CR 0323 rev.1 — Clarification on IMS data channel related LI at the remote end when DCSF is not present
CR 0321 — IUDM related changes
CR 0320 — Clarification on IMS data channel related LI at the remote end when DCSF is not present
CR 0318 rev.1 — IMS DC related corrections in reference to MMTEL Enabler Server
CR 0317 rev.1 — LI at the NEF for UAS Stage 2
CR 0315 — MCX related correction
CR 0314 — LI on Indirect Network Sharing (INS)
CR 0310 rev.1 — Clarifications for LI at the IMS supporting HSS
CR 0309 rev.1 — LI for IMS DC Enhancements Stage 2
CR 0305 rev.1 — LI on MCPTT stage 2
CR 0300 rev.1 — Introduction of X0 interface in TS 33.127
Version history
Indexed versions
Showing 60 of 67 indexed versions.
19.8.0Rel-19SA#1132026-09-24
18.15.0Rel-18SA#1132026-09-24
19.7.0Rel-19SA#1122026-06-18
19.6.0Rel-19SA#1112026-03-19
18.14.0Rel-18SA#1112026-03-19
19.5.0Rel-19SA#1102025-12-18
19.4.0Rel-19SA#1092025-09-25
18.13.0Rel-18SA#1092025-09-25
17.17.0Rel-17SA#1092025-09-25
19.3.0Rel-19SA#1082025-06-20
18.12.0Rel-18SA#1082025-06-20
17.16.0Rel-17SA#1082025-06-20
19.2.0Rel-19SA#1072025-03-25
18.11.0Rel-18SA#1072025-03-25
19.1.0Rel-19SA#1062024-12-20
18.10.0Rel-18SA#1062024-12-20
17.15.0Rel-17SA#1062024-12-20
16.14.0Rel-16SA#1062024-12-20
19.0.0Rel-19SA#1052024-09-19
18.9.0Rel-18SA#1052024-09-19
17.14.0Rel-17SA#1052024-09-19
16.13.0Rel-16SA#1052024-09-19
15.5.0Rel-15SA#1052024-09-19
18.8.0Rel-18SA#1042024-06-26
17.13.0Rel-17SA#1042024-06-26
18.7.0Rel-18SA#1032024-03-28
17.12.0Rel-17SA#1032024-03-28
18.6.0Rel-18SA#1022023-12-21
17.11.0Rel-17SA#1022023-12-21
16.12.0Rel-16SA#1022023-12-21
18.5.0Rel-18SA#1012023-09-21
17.10.0Rel-17SA#1012023-09-21
18.4.0Rel-18SA#1002023-06-21
17.9.0Rel-17SA#1002023-06-21
18.3.0Rel-18SA#992023-03-30
17.8.0Rel-17SA#992023-03-30
18.2.0Rel-18SA#98-e2022-12-22
17.7.0Rel-17SA#98-e2022-12-22
18.1.0Rel-18SA#97-e2022-09-22
17.6.0Rel-17SA#97-e2022-09-22
18.0.0Rel-18SA#962022-06-16
17.5.0Rel-17SA#962022-06-16
16.11.0Rel-16SA#962022-06-16
17.4.0Rel-17SA#95-e2022-03-24
17.3.0Rel-17SA#94-e2021-12-23
16.10.0Rel-16SA#94-e2021-12-23
17.2.0Rel-17SA#93-e2021-09-23
16.9.0Rel-16SA#93-e2021-09-23
17.1.0Rel-17SA#92-e2021-06-24
16.8.0Rel-16SA#92-e2021-06-24
17.0.0Rel-17SA#91-e2021-04-01
16.7.0Rel-16SA#91-e2021-04-01
16.6.0Rel-16SA#90-e2020-12-17
16.5.0Rel-16SA#89-e2020-09-25
16.4.0Rel-16SA#88-e2020-07-06
15.4.0Rel-15SA#87-E2020-04-14
16.3.0Rel-16SA#87-E2020-03-26
16.2.0Rel-16SA#862019-12-19
16.1.0Rel-16SA#852019-09-28
15.3.0Rel-15SA#852019-09-28
Atlas classifications
Meaning and provenance
No Atlas classifications have been attached yet.
Work Items
Standards work connected to TS 33.127
LI15
Rel-15officialLawful Interception Rel-15
LI16
Rel-16parsedLawful Interception Rel-16
LI17
Rel-17parsedLawful Interception Rel-17
LI17
Rel-17parsedLawful Interception Rel-17 general aspects
LI18
Rel-18parsedLawful Interception Rel-18
LI19
Rel-19parsedLawful Interception Rel-19
LI20
Rel-20parsedLawful Interception Rel-20
Knowledge graph
Related standards
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