Release ledger
Canonical Atlas record
TS 29.172
Location Services (LCS); Evolved Packet Core (EPC) LCS Protocol (ELP) between the Gateway Mobile Location Centre (GMLC) and the Mobile Management Entity (MME); SLg interface
Responsible WGC4
StatusUnder change control
Initial releaseRel-9
Selected releaseRel-14
Latest indexed version19.0.0
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-14 snapshot
Work affecting this release
14 indexed Change Requests · 1 connected Work Item.
Showing 12 CR records from the available cross-release sample. Browse release CR records (JSON) →
CR 0045 — Missing AVPs in Provide-Location-Request Command
CR 0047 — Motion-Event-Info AVP
CR 0040 — Cardinality of the Failed-AVP AVP in answer
CR 0036 — Enhancements to Location Services for CIoT
CR 0036 rev.1 — Enhancements to Location Services for CIoT
CR 0036 rev.2 — Enhancements to Location Services for CIoT
CR 0036 rev.3 — Enhancements to Location Services for CIoT
CR 0037 — Bit ordering in Diameter AVPs used as bit-masks
CR 0037 rev.1 — Bit ordering in Diameter AVPs used as bit-masks
CR 0038 — Update of reference for the Diameter base protocol
CR 0039 — Handling of the Vendor-Specific-Application-Id AVP
CR 0040 rev.1 — Cardinality of the Failed-AVP AVP in answer
Version history
Indexed versions
Showing 42 of 42 indexed versions.
19.0.0Rel-19SA#1092025-10-08
18.1.0Rel-18CT#1002023-06-23
18.0.0Rel-18CT#97-e2022-09-23
17.0.0Rel-17SA#95-e2022-04-01
16.1.0Rel-16CT#95-e2022-03-18
16.0.0Rel-16SA#88-e2020-07-08
15.2.0Rel-15CT#862019-12-20
14.3.0Rel-14CT#862019-12-20
13.2.0Rel-13CT#862019-12-20
12.6.0Rel-12CT#862019-12-20
15.1.0Rel-15CT#852019-09-18
15.0.0Rel-15SA#802018-06-23
14.2.0Rel-14CT#792018-03-27
14.1.0Rel-14CT#762017-06-19
14.0.0Rel-14CT#752017-03-16
13.1.0Rel-13CT#722016-06-22
13.0.0Rel-13CT#702016-01-06
9.6.0Rel-9CT#672015-03-19
12.5.0Rel-12CT#672015-03-19
11.2.0Rel-11CT#672015-03-19
10.3.0Rel-10CT#672015-03-19
12.4.0Rel-12CT#632014-03-10
12.3.0Rel-12CT#622013-12-17
9.5.0Rel-9CT#612013-09-19
12.2.0Rel-12CT#612013-09-19
11.1.0Rel-11CT#612013-09-19
10.2.0Rel-10CT#612013-09-19
12.1.0Rel-12CT#602013-06-24
12.0.0Rel-12CT#592013-03-13
11.0.0Rel-11SA#572012-09-28
10.1.0Rel-10CT#532011-09-26
9.4.0Rel-9CT#512011-04-06
10.0.0Rel-10SA#512011-04-06
9.3.0Rel-9CT#502010-12-22
9.2.0Rel-9CT#492010-09-28
9.1.0Rel-9CT#482010-06-17
9.0.0Rel-9CT#472010-04-06
2.0.0Rel-9 · pre-approvalCT#472010-03-19
1.0.0Rel-9 · pre-approvalCT#462009-12-12
0.3.0Rel-9 · pre-approval-2009-10-26
0.2.0Rel-9 · pre-approval-2009-09-09
0.1.0Rel-9 · pre-approval-2009-07-15
Atlas classifications
Meaning and provenance
No Atlas classifications have been attached yet.
Work Items
Standards work connected to TS 29.172
LCS_EPS-CPS
Rel-9officialCT4 aspects of Control Plane LCS in the EPC
TEI9
Rel-9parsed(Small) Technical Enhancements and Improvements for Rel-9
TEI10
Rel-10parsed(Small) Technical Enhancements and Improvements for Rel-10
TEI11
Rel-11parsed(Small) Technical Enhancements and Improvements for Rel-11
Dia_SGSN_GMLC
Rel-12officialDiameter based interface between SGSN-GMLC (Stage 3)
TEI12
Rel-12parsed(Small) Technical Enhancements and Improvements for Rel-12
TEI14
Rel-14parsed(Small) Technical Enhancements and Improvements for Rel-14
TEI16
Rel-16historical link(Small) Technical Enhancements and Improvements for Rel-16
Historical association · verification pending5G_eLCS_Ph3
Rel-18parsed5GC LoCation Services - Phase 3
TEI18
Rel-18parsed(Small) Technical Enhancements and Improvements for Rel-18
Knowledge graph
Related standards
No graph edges indexed yet. The graph API is available at this JSON endpoint.