Canonical Atlas record

TS 23.171

Location Services (LCS); Functional description; Stage 2 (UMTS)

Responsible WGS2
StatusUnder change control
Initial releaseRel-4
Selected releaseRel-99
Latest indexed version3.11.0
Series23
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-44.0.01 WI2 CRs
Rel-5no version indexed1 WI1 CR
Rel-6no version indexed1 WI0 CRs
R99no version indexed2 WI24 CRs · 13 approved
Release 19993.11.00 WI0 CRs

Rel-99 snapshot

Work affecting this release

0 indexed Change Requests · 2 connected Work Items.

Showing 12 CR records from the available cross-release sample. Browse release CR records (JSON) →

CR 0002 rev.1 — Adding hooks indications in UMTS LCS stage 2, Removing PS LCS signaling procedures from R99 23.171

CR 0005 — Adding a chapter MT-LR without HLR Query - applicable to North America Emergency Calls only to TS 23.171

CR 0015 — Service Area definition in LCS stage 2

CR 0016 rev.3 — Stop reporting procedure for UMTS, TS 23.171 (Rel 99)

CR 0018 rev.1 — LCS location notification messages

CR 0019 rev.1 — Applicability of Privacy Override Indicator

CR 0020 — Wrong node name in privacy check procedures

CR 0021 — Exception procedures in the VMSC

CR 0023 — Correction of information flows LCS client - GMLC

CR 0023 rev.1 — Correction of information flows LCS client - GMLC

CR 0024 — Removal of NA-ESRK from MT-LR request for North American Emergency call

CR 0025 rev.1 — Clarification of CS-MO-LR procedures

Version history

Indexed versions

Showing 16 of 16 indexed versions.

3.11.0Release 1999SA#232004-04-01
3.10.0Release 1999SA#202003-06-23
3.9.0Release 1999SA-#172002-09-24
4.0.0Rel-4SA-#112002-06-18
3.8.0Release 1999SA-#162002-06-18
3.7.0Release 1999SA-#152002-03-29
3.6.0Release 1999SA-#142002-01-07
3.5.0Release 1999SA-#132001-10-15
3.4.0Release 1999SA-#122001-06-29
3.3.0Release 1999SA-#112001-04-11
3.2.0Release 1999SA-#102000-12-21
3.1.0Release 1999SA-#82000-06-28
3.0.0Release 1999SA-#72000-03-15
1.1.0Release 1999SA-#61999-12-17
1.0.0Release 1999SA-#51999-10-13
2.0.0Release 1999SA-#7—

Atlas classifications

Meaning and provenance

No Atlas classifications have been attached yet.

Work Items

Standards work connected to TS 23.171

LCS4

Rel-4 Location Services enhancements

Rel-4parsed
LCS1

Rel-5 Location Services enhancements

Rel-5official
LCS2

Location Services enhancements 2

Rel-6official
LCS

Location Services

R99official
TEI

(Small) Technical Enhancements and Improvements for R99

R99parsed

Knowledge graph

Related standards

No graph edges indexed yet. The graph API is available at this JSON endpoint.