Release ledger
Canonical Atlas record
TR 21.905
Vocabulary for 3GPP Specifications
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-13 snapshot
Work affecting this release
3 indexed Change Requests · 3 connected Work Items.
Showing 3 CR records from the available cross-release sample. Browse release CR records (JSON) →
CR 0112 — Definition of extended DRX and Power Saving Mode in the 3GPP vocabulary
CR 0113 — Correction of 3GPP vocabulary due to renaming to EC-GSM-IoT
CR 0111 — Correction and addition of definitions for Online and Offline Charging
Version history
Indexed versions
Showing 60 of 81 indexed versions.
Atlas classifications
Meaning and provenance
No Atlas classifications have been attached yet.
Work Items
Standards work connected to TR 21.905
Advanced Speech Call Items enhancements_Rel-4
Historical association · verification pendingGlobal Text Telephony
(Small) Technical Enhancements and Improvements for Rel-4
Provisioning of IP-based multimedia services
Extended Transparent End-to-End PS Streaming Service
(Small) Technical Enhancements and Improvements for Rel-5
Rel-6 Charging Management
Historical association · verification pendingFlexible Layer One for GERAN
Generic User Profile Rel-6
Rel-6 Operations, Administration, Maintenance and Provisioning (OAM&P)
Historical association · verification pendingSubscription Management
(Small) Technical Enhancements and Improvements for Rel-6
WLAN-UMTS Interworking Rel-6
System enhancements for Fixed Broadband access to IMS
Network selection enhancements (NSP)
Historical association · verification pendingProcedural aspects of NSP
(Small) Technical Enhancements and Improvements for Rel-7
3GPP2 Input to Common IMS
Historical association · verification pendingUTRA HNB
Home NodeB / eNodeB
(Small) Technical Enhancements and Improvements for Rel-8
Enhanced Home NodeB / eNodeB
Historical association · verification pendingStage 1 for Definition of End-User Identity
Historical association · verification pendingDefinition of End-User Identity
Historical association · verification pending(Small) Technical Enhancements and Improvements for Rel-9
Local IP Access and Selected Internet IP Traffic Offload
Historical association · verification pending(Small) Technical Enhancements and Improvements for Rel-10
Rel-11 Operations, Administration, Maintenance and Provisioning (OAM&P)
Stage 1 for SIMTC
Historical association · verification pending(Small) Technical Enhancements and Improvements for Rel-11
Extended Coverage GSM (EC-GSM) for support of Cellular Internet of Things
Awaiting formal work item
(Small) Technical Enhancements and Improvements for Rel-13
(Small) Technical Enhancements and Improvements for Rel-14
(Small) Technical Enhancements and Improvements for Rel-16
Historical association · verification pending(Small) Technical Enhancements and Improvements for Rel-17
Enhanced support of Non-Public Networks
Historical association · verification pending(Small) Technical Enhancements and Improvements for Rel-19
Advanced Speech Call Items enhancements
Follow_Me service
Historical association · verification pendingLawful Interception for GSM Features transposed to UMTS
Historical association · verification pendingOAM Architecture
Historical association · verification pendingR99 OAM Charging Management
Historical association · verification pendingSuper Charger mechanism for signalling traffic associated with mobility
Historical association · verification pending(Small) Technical Enhancements and Improvements for R99
Vocabulary
Knowledge graph
Related standards
No graph edges indexed yet. The graph API is available at this JSON endpoint.