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

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Responsible WGC4

StatusUnder change control

Initial releaseRel-9

Selected releaseRel-18

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.

Release ledger

Version · WI · CR evidence by release

Rel-99.6.02 WI23 CRs · 14 approved

Rel-1010.3.01 WI5 CRs · 3 approved

Rel-1111.2.01 WI7 CRs · 3 approved

Rel-1212.6.02 WI23 CRs · 9 approved

Rel-1313.2.00 WI11 CRs · 4 approved

Rel-1414.3.01 WI14 CRs · 8 approved

Rel-1515.2.00 WI4 CRs · 3 approved

Rel-1616.1.01 WI2 CRs · 1 approved

Rel-1717.0.00 WI0 CRs

Rel-1818.1.02 WI4 CRs · 2 approved

Rel-1919.0.00 WI0 CRs

Rel-18 snapshot

Work affecting this release

4 indexed Change Requests · 2 connected Work Items.

Showing 4 CR records from the available cross-release sample. Browse release CR records (JSON) →

CR 0052 rev.1 — Support of Location service bi-directional continuity from EPS to 5GS

CR 0050 — Diameter message priority over SLg and Lgd

CR 0052 — Support of Location service bi-directional continuity from EPS to 5GS

CR 0051 — Support of Location service bi-directional continuity from EPS to 5GS

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

CT4 aspects of Control Plane LCS in the EPC

Rel-9official

TEI9

(Small) Technical Enhancements and Improvements for Rel-9

Rel-9parsed

TEI10

(Small) Technical Enhancements and Improvements for Rel-10

Rel-10parsed

TEI11

(Small) Technical Enhancements and Improvements for Rel-11

Rel-11parsed

Dia_SGSN_GMLC

Diameter based interface between SGSN-GMLC (Stage 3)

Rel-12official

TEI12

(Small) Technical Enhancements and Improvements for Rel-12

Rel-12parsed

TEI14

(Small) Technical Enhancements and Improvements for Rel-14

Rel-14parsed

TEI16

(Small) Technical Enhancements and Improvements for Rel-16

Historical association · verification pending

Rel-16historical link

5G_eLCS_Ph3

5GC LoCation Services - Phase 3

Rel-18parsed

TEI18

(Small) Technical Enhancements and Improvements for Rel-18

Rel-18parsed

Knowledge graph

Related standards

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