Release ledger
Canonical Atlas record
TS 22.280
Mission Critical Services Common Requirements (MCCoRe); Stage 1
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-20 snapshot
Work affecting this release
18 indexed Change Requests · 4 connected Work Items.
Showing 12 CR records from the available cross-release sample. Browse release CR records (JSON) →
CR 0181 rev.1 — Add feature to overview clause
CR 0177 rev.1 — Discreet listening clarifications
CR 0180 rev.1 — Addition of Functional Aliases in the notifications of AHG emergency alert and combining AHG emergency alerts
CR 0179 rev.1 — Addition of Functional Aliases in the participants list and in the notifications of AHGC and authorizations for combining Ad hoc Group calls
CR 0176 rev.1 — Combining of Ad hoc Group calls
CR 0182 rev.1 — First-to-answer (Shared Functional Alias) for Ad hoc Group calls
CR 0178 rev.1 — Availability status of a MC User
CR 0174 rev.1 — 22.280v19.6.0 Additional requirements for supporting multiple devices to allow taking-over of an on-going Ad hoc Group call by another MC UE
CR 0182 — First-to-answer (Shared Functional Alias) for Ad hoc Group calls
CR 0176 — Enhancement of Ad hoc Group call requirements to address merging of Ad hoc Group calls and presence of a MC User in the network
CR 0177 — Discreet listening clarifications
CR 0174 — Additional requirements for supporting multiple devices to allow taking-over of an on-going Ad hoc Group call by another MC UE
Version history
Indexed versions
Showing 50 of 50 indexed versions.
Atlas classifications
Meaning and provenance
No Atlas classifications have been attached yet.
Work Items
Standards work connected to TS 22.280
Awaiting formal work item
Mission Critical Improvements
Mission Critical Services Common Requirements
Mission Critical Push to Talk over LTE Realignment
Study on Future Railway Mobile Communication System
Removal of 'over LTE' limitation from Mission Critical Specifications
Study on MONASTERY2
(Small) Technical Enhancements and Improvements for Rel-16
Historical association · verification pendingBroadcast / Multicast requirements supporting Mission Critical Services in 5G
Complete Gap Analysis for Railways Mobile Communication System
(Small) Technical Enhancements and Improvements for Rel-17
Ad hoc Group Communication support in Mission Critical Services
Study on FRMCS Phase 4
Study on sharing administrative configuration between interconnected MCX Service systems
Sharing administrative configuration between interconnected MCX Service systems
(Small) Technical Enhancements and Improvements for Rel-18
Stage 1 of Railways specific Enhancements to Mission Critical Services
Study on FRMCS Phase 5
(Small) Technical Enhancements and Improvements for Rel-19
UE-to-UE multi-hop relay
FRMCS Phase 6
Stage 1 for FRMCS Phase 6
Study on FRMCS Phase 6
Stage 1 for Phase 2 of Mission Critical Discreet listening
Stage 1 for FRMCS Phase 7
Knowledge graph
Related standards
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