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
Release evolution
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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-9 snapshot
Work affecting this release
23 indexed Change Requests · 2 connected Work Items.
Showing 12 CR records from the available cross-release sample. Browse release CR records (JSON) →
CR 0001 — Velocity-Requested IE
CR 0002 — Addition of Command Codes
CR 0002 rev.1 — Addition of Command Codes
CR 0003 — Notification Verification Only in Location Type
CR 0003 rev.1 — Notification Verification Only in Location Type
CR 0004 — SLg for Inter-domain
CR 0004 rev.1 — SLg for Inter-domain
CR 0005 — SLg Editorial Updates
CR 0006 — Command code values
CR 0007 — Encoding of EUTRAN Positioning Data AVP
CR 0009 — Definition of LCS Priority Values in SLg
CR 0010 — Correction of Error Code in SLg
Version history
Indexed versions
Showing 42 of 42 indexed versions.
Atlas classifications
Meaning and provenance
No Atlas classifications have been attached yet.
Work Items
Standards work connected to TS 29.172
CT4 aspects of Control Plane LCS in the EPC
(Small) Technical Enhancements and Improvements for Rel-9
(Small) Technical Enhancements and Improvements for Rel-10
(Small) Technical Enhancements and Improvements for Rel-11
Diameter based interface between SGSN-GMLC (Stage 3)
(Small) Technical Enhancements and Improvements for Rel-12
(Small) Technical Enhancements and Improvements for Rel-14
(Small) Technical Enhancements and Improvements for Rel-16
Historical association · verification pending5GC LoCation Services - Phase 3
(Small) Technical Enhancements and Improvements for Rel-18
Knowledge graph
Related standards
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