Release ledger
Canonical Atlas record
TS 24.379
Mission Critical Push To Talk (MCPTT) call control; Protocol specification
Responsible WGC1
StatusUnder change control
Initial releaseRel-13
Selected releaseRel-19
Latest indexed version20.1.0
Series24
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
130 indexed Change Requests · 4 connected Work Items.
Showing 12 CR records from the available cross-release sample. Browse release CR records (JSON) →
CR 1087 rev.2 — Automatic cancellation of an adhoc group emergency alert
CR 1092 rev.1 — Corrections for combined ad hoc group emergency alert and ad hoc group call
CR 1089 — Resolve EN for functional alias status change
CR 1078 rev.1 — MCPTT Adding calling FA to SIP INVITE from NCF to CF
CR 1077 rev.1 — Misalignment in using adhoc group call parameters for controlling MCPTT function
CR 1081 — Location-info XML schema correction R19
CR 1071 rev.1 — Corrections for authorization for receiving adhoc group emergency alert participant information
CR 1070 rev.1 — Corrections for authorization of cancelling an ad hoc group emergency alert
CR 1069 rev.1 — Corrections for authorization of initiation of ad hoc group emergency alert
CR 1068 rev.1 — Corrections for modify part user list of ad hoc group call and ad hoc group emergency alert
CR 1066 — Corrections for combined ad hoc group call and ad hoc group emergency alert
CR 1062 rev.2 — MCX Plugtest 10.1.6 Inconsistent definition of associated-group-id fix R-19
Version history
Indexed versions
Showing 60 of 131 indexed versions.
20.1.0Rel-20CT#1132026-09-22
19.8.0Rel-19CT#1132026-09-22
18.14.0Rel-18CT#1132026-09-22
20.0.0Rel-20CT#1122026-06-29
19.7.0Rel-19CT#1122026-06-29
18.13.0Rel-18CT#1122026-06-29
19.6.0Rel-19CT#1112026-03-13
18.12.0Rel-18CT#1112026-03-13
17.15.0Rel-17CT#1112026-03-13
19.5.0Rel-19CT#1102026-01-08
18.11.0Rel-18CT#1102026-01-08
19.4.0Rel-19CT#1092025-09-25
19.3.0Rel-19CT#1082025-07-02
19.2.0Rel-19CT#1072025-03-20
18.10.0Rel-18CT#1072025-03-20
19.1.0Rel-19CT#1062025-01-16
18.9.0Rel-18CT#1062025-01-10
17.14.0Rel-17CT#1062025-01-10
16.14.0Rel-16CT#1062025-01-10
15.16.0Rel-15CT#1062025-01-10
14.16.0Rel-14CT#1062025-01-10
13.19.0Rel-13CT#1062025-01-10
19.0.0Rel-19CT#1052024-09-26
18.8.0Rel-18CT#1052024-09-26
18.7.0Rel-18CT#1042024-07-12
18.6.0Rel-18CT#1032024-04-02
18.5.0Rel-18CT#1022024-01-05
17.13.0Rel-17CT#1022024-01-05
18.4.0Rel-18CT#1012023-09-22
17.12.0Rel-17CT#1012023-09-22
17.11.1Rel-17CT#1002023-07-05
18.3.1Rel-18CT#1002023-07-04
18.3.0Rel-18CT#1002023-06-23
17.11.0Rel-17CT#1002023-06-22
18.2.1Rel-18CT#992023-04-06
17.10.1Rel-17CT#992023-04-06
18.2.0Rel-18CT#992023-04-03
17.10.0Rel-17CT#992023-04-03
18.1.0Rel-18CT#98-e2023-01-03
17.9.0Rel-17CT#98-e2023-01-03
18.0.0Rel-18CT#97-e2022-09-23
17.8.0Rel-17CT#97-e2022-09-23
16.13.0Rel-16CT#97-e2022-09-23
15.15.0Rel-15CT#97-e2022-09-23
17.7.0Rel-17CT#962022-06-24
16.12.0Rel-16CT#962022-06-24
15.14.0Rel-15CT#962022-06-24
14.15.0Rel-14CT#962022-06-24
17.6.0Rel-17CT#95-e2022-03-26
17.5.0Rel-17CT#94-e2022-01-04
16.11.0Rel-16CT#94-e2022-01-04
15.13.0Rel-15CT#94-e2022-01-04
14.14.0Rel-14CT#94-e2022-01-04
13.18.0Rel-13CT#94-e2022-01-04
17.4.0Rel-17CT#93-e2021-09-24
16.10.0Rel-16CT#93-e2021-09-24
15.12.0Rel-15CT#93-e2021-09-24
17.3.1Rel-17CT#92-e2021-07-02
17.3.0Rel-17CT#92-e2021-06-25
16.9.0Rel-16CT#92-e2021-06-25
Atlas classifications
Meaning and provenance
No Atlas classifications have been attached yet.
Work Items
Standards work connected to TS 24.379
DUMMY
Rel-13parsedAwaiting formal work item
MCPTT-CT
Rel-13officialMCPTT protocol aspects
MCPTT-Prof
Rel-13parsedIMS Profile to support MCPTT
MCImp
Rel-14parsedMission Critical Improvements
TEI14
Rel-14parsed(Small) Technical Enhancements and Improvements for Rel-14
MCProtoc15
Rel-15parsedProtocol enhancements for Mission Critical Services
enhMCPTT-CT
Rel-15parsedStage 3 of enhMCPTT
MCProtoc16
Rel-16parsedProtocol enhancements for Mission Critical Services
enh2MCPTT-CT
Rel-16parsedCT aspects of enh2MCPTT
MCProtoc17
Rel-17parsedProtocol enhancements for Mission Critical Services
MCSMI_CT
Rel-17parsedMission Critical system migration and interconnection
eMCCI_CT
Rel-17parsedCT aspects of Enhanced Mission Critical Communication Interworking with Land Mobile Radio Systems
eMONASTERY2
Rel-17parsedEnhancements to Application Architecture for the Mobile Communication System for Railways Phase 2
enh3MCPTT-CT
Rel-17parsedStage 3 aspects of enh3MCPTT
MCGWUE
Rel-18parsedGateway UE function for Mission Critical Communication
MCOver5GProSe
Rel-18parsedMission Critical Services over 5GProSe
MCOver5MBS
Rel-18parsedMission Critical Services over 5MBS
MCProtoc18
Rel-18parsedProtocol enhancements for Mission Critical Services
MC_AHGC
Rel-18parsedCT1 aspects of Mission Critical ad hoc group Communications
MC_AHGC
Rel-18parsedMission Critical ad hoc group Communications
TEI18
Rel-18parsed(Small) Technical Enhancements and Improvements for Rel-18
eMCSMI_IRail
Rel-18parsedCT1 aspects of eMCSMI_IRail
enh4MCPTT
Rel-18parsedEnhanced Mission Critical Push-to-talk architecture phase 4
FRMCS_Ph5
Rel-19parsedStage 1 of Railways specific Enhancements to Mission Critical Services
FRMCS_Ph5
Rel-19parsedFRMCS Phase 5
MCProtoc19
Rel-19parsedProtocol enhancements for Mission Critical Services
enhMCLoc
Rel-19parsedEnhanced Mission Critical Location Management
FRMCS_Ph6-CT
Rel-20parsedCT aspects of FRMCS Phase 6
MCProtoc20-CT
Rel-20parsedProtocol enhancements for Mission Critical Services
enhMC_Ph2-CT
Rel-20parsedProtocol development for Enhanced MC Features Phase 2
Knowledge graph
Related standards
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