{"id":5439,"number":"22.989","type":"TR","title":"Study on Future Railway Mobile Communication System","series":22,"status":"Under change control","initial_release":"Rel-15","primary_group":"S1","secondary_groups":[],"portal_id":3109,"portal_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=3109","dynareport_url":"https://www.3gpp.org/dynareport/22989.htm","publication_scope":null,"radio_technologies":[],"first_seen_at":"2026-09-16T11:04:48.541724+00:00","updated_at":"2026-10-16T09:34:47.275473+00:00","raw_metadata":{"source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=3109","bibliography_source":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv"},"detail_synced_at":"2026-10-09T04:52:08.796616+00:00","versions":[{"release":"Rel-20","version":"20.3.0","meeting":"SA#107","upload_date":"2025-03-28","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/22_series/22.989/22989-k30.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":92078,"version_status":null},{"release":"Rel-20","version":"20.2.0","meeting":"SA#106","upload_date":"2025-01-10","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/22_series/22.989/22989-k20.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":90417,"version_status":null},{"release":"Rel-20","version":"20.1.0","meeting":"SA#105","upload_date":"2024-09-27","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/22_series/22.989/22989-k10.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":88994,"version_status":null},{"release":"Rel-20","version":"20.0.0","meeting":"SA#104","upload_date":"2024-06-28","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/22_series/22.989/22989-k00.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":88161,"version_status":null},{"release":"Rel-19","version":"19.4.0","meeting":"SA#101","upload_date":"2023-09-22","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/22_series/22.989/22989-j40.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":82833,"version_status":null},{"release":"Rel-19","version":"19.3.0","meeting":"SA#100","upload_date":"2023-06-23","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/22_series/22.989/22989-j30.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":81901,"version_status":null},{"release":"Rel-19","version":"19.2.0","meeting":"SA#98-e","upload_date":"2022-12-23","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/22_series/22.989/22989-j20.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":80165,"version_status":null},{"release":"Rel-19","version":"19.1.0","meeting":"SA#97-e","upload_date":"2022-09-23","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/22_series/22.989/22989-j10.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":79229,"version_status":null},{"release":"Rel-19","version":"19.0.0","meeting":"SA#96","upload_date":"2022-06-16","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/22_series/22.989/22989-j00.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":78261,"version_status":null},{"release":"Rel-18","version":"18.5.0","meeting":"SA#96","upload_date":"2022-06-16","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/22_series/22.989/22989-i50.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":78257,"version_status":null},{"release":"Rel-18","version":"18.4.0","meeting":"SA#95-e","upload_date":"2022-04-01","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/22_series/22.989/22989-i40.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":76206,"version_status":null},{"release":"Rel-18","version":"18.3.0","meeting":"SA#94-e","upload_date":"2021-12-24","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/22_series/22.989/22989-i30.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":75340,"version_status":null},{"release":"Rel-18","version":"18.2.0","meeting":"SA#93-e","upload_date":"2021-09-24","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/22_series/22.989/22989-i20.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":74669,"version_status":null},{"release":"Rel-18","version":"18.1.0","meeting":"SA#91-e","upload_date":"2021-04-02","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/22_series/22.989/22989-i10.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":72084,"version_status":null},{"release":"Rel-18","version":"18.0.0","meeting":"SA#89-e","upload_date":"2020-10-06","comment":"Same technical content as 22....","official_file_url":"https://www.3gpp.org/ftp//Specs/archive/22_series/22.989/22989-i00.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":null},{"release":"Rel-15","version":"0.2.0","meeting":"SA1#76","upload_date":"2017-01-13","comment":"","official_file_url":"https://www.3gpp.org/ftp//Specs/archive/22_series/22.989/22989-020.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":"pre-approval"},{"release":"Rel-15","version":"0.1.0","meeting":"SA1#75","upload_date":"2016-11-22","comment":"","official_file_url":"https://www.3gpp.org/ftp//Specs/archive/22_series/22.989/22989-010.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":"pre-approval"}],"release_presence":[{"release":"Rel-15","first_version_date":"2016-11-22","latest_version_date":"2017-01-13","first_version":"0.1.0","latest_version":"0.2.0","version_count":2},{"release":"Rel-18","first_version_date":"2020-10-06","latest_version_date":"2022-06-16","first_version":"18.0.0","latest_version":"18.5.0","version_count":6},{"release":"Rel-19","first_version_date":"2022-06-16","latest_version_date":"2023-09-22","first_version":"19.0.0","latest_version":"19.4.0","version_count":5},{"release":"Rel-20","first_version_date":"2024-06-28","latest_version_date":"2025-03-28","first_version":"20.0.0","latest_version":"20.3.0","version_count":4}],"classifications":[],"work_items":[{"uid":720004,"acronym":"FS_FRMCS","effective_acronym":"FS_FRMCS","title":"Study on Future Railway Mobile Communication System","responsible_groups":["S1"],"release":"Rel-15","status":"PCG approved","wi_level":"Building Block (2nd level)","type":"Work Item","first_release":null,"last_release":null,"provenance_type":"official","source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=3109","association_sources":["portal-spec"],"association_status":"source_tracked"},{"uid":900026,"acronym":"FS_FRMCS_Ph4","effective_acronym":"FS_FRMCS_Ph4","title":"Study on FRMCS Phase 4","responsible_groups":["S1"],"release":"Rel-18","status":"PCG approved","wi_level":"Feature (1st level)","type":"Work Item","first_release":"Rel-18","last_release":"Rel-18","provenance_type":"parsed","source_url":"https://portal.3gpp.org/DesktopModules/CRs/CrDetails.aspx?CrId=451202","association_sources":["crdb","portal"],"association_status":"source_tracked"},{"uid":920042,"acronym":"TEI18","effective_acronym":"TEI18","title":"(Small) Technical Enhancements and Improvements for Rel-18","responsible_groups":[],"release":"Rel-18","status":"PCG approved","wi_level":"Feature (1st level)","type":"Work Item","first_release":"Rel-18","last_release":"Rel-18","provenance_type":"parsed","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20261012.zip","association_sources":["crdb"],"association_status":"source_tracked"},{"uid":950007,"acronym":"FS_FRMCS_Ph5","effective_acronym":"FS_FRMCS_Ph5","title":"Study on FRMCS Phase 5","responsible_groups":["S1"],"release":"Rel-19","status":"PCG approved","wi_level":"Building Block (2nd level)","type":"Work Item","first_release":"Rel-19","last_release":"Rel-19","provenance_type":"parsed","source_url":"https://portal.3gpp.org/DesktopModules/CRs/CrDetails.aspx?CrId=500712","association_sources":["crdb","portal"],"association_status":"source_tracked"},{"uid":1030043,"acronym":"FS_FRMCS_Ph6","effective_acronym":"FS_FRMCS_Ph6","title":"Study on FRMCS Phase 6","responsible_groups":["S1"],"release":"Rel-20","status":"PCG approved","wi_level":"Building Block (2nd level)","type":"Work Item","first_release":"Rel-20","last_release":"Rel-20","provenance_type":"parsed","source_url":"https://portal.3gpp.org/DesktopModules/CRs/CrDetails.aspx?CrId=561640","association_sources":["crdb","portal"],"association_status":"source_tracked"}],"change_requests":[{"portal_cr_id":561640,"cr_number":"0039","revision":null,"category":"D","impacted_version":"20.2.0","target_release":"Rel-20","title":"Cleaning gap analysis comments in the TR 22.989, related to missing normative requirements","wg_tdoc":"S1-250296","wg_status":"agreed","tsg_tdoc":"SP-250269","tsg_status":"approved","new_version":"20.3.0","source_url":"https://portal.3gpp.org/DesktopModules/CRs/CrDetails.aspx?CrId=561640","detail_synced_at":"2026-10-10T02:26:34.905668+00:00"},{"portal_cr_id":556681,"cr_number":"0036","revision":"4","category":"C","impacted_version":"20.1.0","target_release":"Rel-20","title":"New use case: Train driver takes-over an Ad hoc Group Call from another FRMCS device","wg_tdoc":"S1-244788","wg_status":"agreed","tsg_tdoc":"SP-241764","tsg_status":"approved","new_version":"20.2.0","source_url":"https://portal.3gpp.org/DesktopModules/CRs/CrDetails.aspx?CrId=556681","detail_synced_at":"2026-10-10T02:28:09.644156+00:00"},{"portal_cr_id":556680,"cr_number":"0038","revision":"4","category":"B","impacted_version":"20.1.0","target_release":"Rel-20","title":"New use case: Availability status of a MC User (Presence of a FRMCS User)","wg_tdoc":"S1-244787","wg_status":"agreed","tsg_tdoc":"SP-241764","tsg_status":"approved","new_version":"20.2.0","source_url":"https://portal.3gpp.org/DesktopModules/CRs/CrDetails.aspx?CrId=556680","detail_synced_at":"2026-10-10T02:28:10.087690+00:00"},{"portal_cr_id":556647,"cr_number":"0037","revision":"3","category":"B","impacted_version":"20.1.0","target_release":"Rel-20","title":"New use cases: Merging of two multi-train voice communications by the train driver","wg_tdoc":"S1-244469","wg_status":"agreed","tsg_tdoc":"SP-241764","tsg_status":"approved","new_version":"20.2.0","source_url":"https://portal.3gpp.org/DesktopModules/CRs/CrDetails.aspx?CrId=556647","detail_synced_at":"2026-10-10T02:28:11.373082+00:00"},{"portal_cr_id":543852,"cr_number":"0033","revision":"1","category":"B","impacted_version":"20.0.0","target_release":"Rel-20","title":"New use cases: Merging of two multi-train voice communications by Train Controller (Ground FRMCS user)","wg_tdoc":"S1-242411","wg_status":"agreed","tsg_tdoc":"SP-241144","tsg_status":"approved","new_version":"20.1.0","source_url":"https://portal.3gpp.org/DesktopModules/CRs/CrDetails.aspx?CrId=543852","detail_synced_at":"2026-10-10T02:31:19.797425+00:00"},{"portal_cr_id":541021,"cr_number":"0032","revision":null,"category":"F","impacted_version":"20.0.0","target_release":"Rel-20","title":"Update of requirements and gap analysis for multi-train voice communication for Drivers and Ground FRMCS User(s) using Ad hoc Group Communications","wg_tdoc":"S1-242267","wg_status":"agreed","tsg_tdoc":"SP-241144","tsg_status":"approved","new_version":"20.1.0","source_url":"https://portal.3gpp.org/DesktopModules/CRs/CrDetails.aspx?CrId=541021","detail_synced_at":"2026-10-10T02:31:58.874161+00:00"},{"portal_cr_id":535148,"cr_number":"0031","revision":"2","category":"B","impacted_version":"19.4.0","target_release":"Rel-20","title":"New use case: Call forwarding for Ad hoc Group Calls","wg_tdoc":"S1-241363","wg_status":"agreed","tsg_tdoc":"SP-240792","tsg_status":"approved","new_version":"20.0.0","source_url":"https://portal.3gpp.org/DesktopModules/CRs/CrDetails.aspx?CrId=535148","detail_synced_at":"2026-10-10T02:33:21.798424+00:00"},{"portal_cr_id":null,"cr_number":"0034","revision":null,"category":"B","impacted_version":"20.1.0","target_release":"Rel-20","title":"New use case: Availability status of an MC User (Presence of FRMCS User)","wg_tdoc":"S1-244324","wg_status":"withdrawn","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0031","revision":"1","category":"C","impacted_version":"19.4.0","target_release":"Rel-20","title":"Update and gap analysis of diversion of an incoming voice communication","wg_tdoc":"S1-241300","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0031","revision":null,"category":"C","impacted_version":"19.4.0","target_release":"Rel-20","title":"Update and Gap analysis of Transfer (Divertion) of an incoming voice communication","wg_tdoc":"S1-241190","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0037","revision":"2","category":"B","impacted_version":"20.1.0","target_release":"Rel-20","title":"New use cases: Merging of two multi-train voice communications by the train driver","wg_tdoc":"S1-244452","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0037","revision":null,"category":"B","impacted_version":"20.1.0","target_release":"Rel-20","title":"New use cases: Merging of two multi-train voice communications by the train driver","wg_tdoc":"S1-244349","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0036","revision":null,"category":"C","impacted_version":"20.1.0","target_release":"Rel-20","title":"New use case: Train driver takes-over an Ad hoc Group Call from another than the default FRMCS device","wg_tdoc":"S1-244343","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0033","revision":null,"category":"B","impacted_version":"20.0.0","target_release":"Rel-20","title":"New use cases: Merging of two multi-train voice communications by Train Controller (Ground FRMCS user)","wg_tdoc":"S1-242282","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0037","revision":"1","category":"B","impacted_version":"20.1.0","target_release":"Rel-20","title":"New use cases: Merging of two multi-train voice communications by the train driver","wg_tdoc":"S1-244388","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0036","revision":"3","category":"C","impacted_version":"20.1.0","target_release":"Rel-20","title":"New use case: Train driver takes-over an Ad hoc Group Call from another FRMCS device","wg_tdoc":"S1-244451","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0036","revision":"2","category":"C","impacted_version":"20.1.0","target_release":"Rel-20","title":"New use case: Train driver takes-over an Ad hoc Group Call from another than the default FRMCS device","wg_tdoc":"S1-244393","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0038","revision":"3","category":"B","impacted_version":"20.1.0","target_release":"Rel-20","title":"New use case: Availability status of a MC User (Presence of a FRMCS User)","wg_tdoc":"S1-244470","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0038","revision":"2","category":"B","impacted_version":"20.1.0","target_release":"Rel-20","title":"New use case: Availability status of a MC User (Presence of a FRMCS User)","wg_tdoc":"S1-244453","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0038","revision":"1","category":"B","impacted_version":"20.1.0","target_release":"Rel-20","title":"New use case: Availability status of a MC User (Presence of a FRMCS User)","wg_tdoc":"S1-244389","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0038","revision":null,"category":"B","impacted_version":"20.1.0","target_release":"Rel-20","title":"New use case: Availability status of a MC User (Presence of a FRMCS User)","wg_tdoc":"S1-244359","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0036","revision":"1","category":"C","impacted_version":"20.1.0","target_release":"Rel-20","title":"New use case: Train driver takes-over an Ad hoc Group Call from another than the default FRMCS device","wg_tdoc":"S1-244387","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0035","revision":null,"category":"B","impacted_version":"20.1.0","target_release":"Rel-20","title":"New use case: Availability status of an MC User (Presence of FRMCS User)","wg_tdoc":"S1-244341","wg_status":"withdrawn","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":500712,"cr_number":"0029","revision":"1","category":"F","impacted_version":"19.3.0","target_release":"Rel-19","title":"Update of gap analysis of railway emergency alert, multi-talker control, authorisation of communication, arbitration use cases","wg_tdoc":"S1-232503","wg_status":"agreed","tsg_tdoc":"SP-231021","tsg_status":"approved","new_version":"19.4.0","source_url":"https://portal.3gpp.org/DesktopModules/CRs/CrDetails.aspx?CrId=500712","detail_synced_at":"2026-10-09T13:53:32.423118+00:00"},{"portal_cr_id":489282,"cr_number":"0028","revision":"3","category":"B","impacted_version":"19.2.0","target_release":"Rel-19","title":"Multiple concurrent mobility services","wg_tdoc":"S1-231732","wg_status":"agreed","tsg_tdoc":"SP-230528","tsg_status":"approved","new_version":"19.3.0","source_url":"https://portal.3gpp.org/DesktopModules/CRs/CrDetails.aspx?CrId=489282","detail_synced_at":"2026-10-09T23:22:40.186953+00:00"},{"portal_cr_id":489281,"cr_number":"0027","revision":"3","category":"B","impacted_version":"19.2.0","target_release":"Rel-19","title":"Transportation convenience service for the passengers for the reduced mobility","wg_tdoc":"S1-231731","wg_status":"agreed","tsg_tdoc":"SP-230528","tsg_status":"approved","new_version":"19.3.0","source_url":"https://portal.3gpp.org/DesktopModules/CRs/CrDetails.aspx?CrId=489281","detail_synced_at":"2026-10-09T23:22:39.766317+00:00"},{"portal_cr_id":489267,"cr_number":"0026","revision":"1","category":"F","impacted_version":"19.2.0","target_release":"Rel-19","title":"Clean-up of Railway Emergency Communication related use cases","wg_tdoc":"S1-231633","wg_status":"agreed","tsg_tdoc":"SP-230528","tsg_status":"approved","new_version":"19.3.0","source_url":"https://portal.3gpp.org/DesktopModules/CRs/CrDetails.aspx?CrId=489267","detail_synced_at":"2026-10-09T13:53:29.567101+00:00"},{"portal_cr_id":489264,"cr_number":"0024","revision":"1","category":"D","impacted_version":"19.2.0","target_release":"Rel-19","title":"Introduction and updates of Smart railway definitions","wg_tdoc":"S1-231630","wg_status":"agreed","tsg_tdoc":"SP-230528","tsg_status":"approved","new_version":"19.3.0","source_url":"https://portal.3gpp.org/DesktopModules/CRs/CrDetails.aspx?CrId=489264","detail_synced_at":"2026-10-09T23:22:39.338233+00:00"},{"portal_cr_id":467521,"cr_number":"0023","revision":"3","category":"C","impacted_version":"19.1.0","target_release":"Rel-19","title":"Enhancement of FRMCS naming authority use case","wg_tdoc":"S1-223387","wg_status":"agreed","tsg_tdoc":"SP-221261","tsg_status":"approved","new_version":"19.2.0","source_url":"https://portal.3gpp.org/DesktopModules/CRs/CrDetails.aspx?CrId=467521","detail_synced_at":"2026-10-09T23:22:29.963571+00:00"},{"portal_cr_id":467520,"cr_number":"0022","revision":"3","category":"C","impacted_version":"19.1.0","target_release":"Rel-19","title":"Enhancement of Railway Emergency Communication","wg_tdoc":"S1-223386","wg_status":"agreed","tsg_tdoc":"SP-221261","tsg_status":"approved","new_version":"19.2.0","source_url":"https://portal.3gpp.org/DesktopModules/CRs/CrDetails.aspx?CrId=467520","detail_synced_at":"2026-10-09T23:22:29.535730+00:00"},{"portal_cr_id":467519,"cr_number":"0021","revision":"3","category":"C","impacted_version":"19.1.0","target_release":"Rel-19","title":"Update of QoS in a railway environment Use Case","wg_tdoc":"S1-223385","wg_status":"agreed","tsg_tdoc":"SP-221261","tsg_status":"approved","new_version":"19.2.0","source_url":"https://portal.3gpp.org/DesktopModules/CRs/CrDetails.aspx?CrId=467519","detail_synced_at":"2026-10-09T23:22:29.145119+00:00"},{"portal_cr_id":467518,"cr_number":"0020","revision":"3","category":"C","impacted_version":"19.1.0","target_release":"Rel-19","title":"Enhancement of Multiuser talker control related use cases","wg_tdoc":"S1-223382","wg_status":"agreed","tsg_tdoc":"SP-221261","tsg_status":"approved","new_version":"19.2.0","source_url":"https://portal.3gpp.org/DesktopModules/CRs/CrDetails.aspx?CrId=467518","detail_synced_at":"2026-10-09T23:22:28.715670+00:00"},{"portal_cr_id":467512,"cr_number":"0019","revision":"2","category":"C","impacted_version":"19.1.0","target_release":"Rel-19","title":"Enhancement of Multi-train voice communication for Drivers and Ground FRMCS User(s) related use cases","wg_tdoc":"S1-223371","wg_status":"agreed","tsg_tdoc":"SP-221261","tsg_status":"approved","new_version":"19.2.0","source_url":"https://portal.3gpp.org/DesktopModules/CRs/CrDetails.aspx?CrId=467512","detail_synced_at":"2026-10-09T23:22:28.265966+00:00"},{"portal_cr_id":458871,"cr_number":"0018","revision":"1","category":"B","impacted_version":"19.0.0","target_release":"Rel-19","title":"Railway staff Emergency Communication related use cases","wg_tdoc":"S1-222325","wg_status":"agreed","tsg_tdoc":"SP-220934","tsg_status":"approved","new_version":"19.1.0","source_url":"https://portal.3gpp.org/DesktopModules/CRs/CrDetails.aspx?CrId=458871","detail_synced_at":"2026-10-09T23:20:47.989256+00:00"},{"portal_cr_id":458870,"cr_number":"0017","revision":"1","category":"B","impacted_version":"19.0.0","target_release":"Rel-19","title":"Public Train Emergency Communication related use cases","wg_tdoc":"S1-222324","wg_status":"agreed","tsg_tdoc":"SP-220934","tsg_status":"approved","new_version":"19.1.0","source_url":"https://portal.3gpp.org/DesktopModules/CRs/CrDetails.aspx?CrId=458870","detail_synced_at":"2026-10-09T23:20:47.538758+00:00"},{"portal_cr_id":458869,"cr_number":"0016","revision":"1","category":"C","impacted_version":"19.0.0","target_release":"Rel-19","title":"Enhancement and clean-up of Railway Emergency Communication related use cases","wg_tdoc":"S1-222323","wg_status":"agreed","tsg_tdoc":"SP-220934","tsg_status":"approved","new_version":"19.1.0","source_url":"https://portal.3gpp.org/DesktopModules/CRs/CrDetails.aspx?CrId=458869","detail_synced_at":"2026-10-09T23:20:47.107592+00:00"},{"portal_cr_id":451210,"cr_number":"0014","revision":"1","category":"B","impacted_version":"18.4.0","target_release":"Rel-19","title":"Real-time automatic translation of languages related use cases","wg_tdoc":"S1-221293","wg_status":"agreed","tsg_tdoc":"SP-220431","tsg_status":"approved","new_version":"19.0.0","source_url":"https://portal.3gpp.org/DesktopModules/CRs/CrDetails.aspx?CrId=451210","detail_synced_at":"2026-10-09T23:20:49.254270+00:00"},{"portal_cr_id":451209,"cr_number":"0013","revision":"1","category":"B","impacted_version":"18.4.0","target_release":"Rel-19","title":"Virtual Coupling data communication use case","wg_tdoc":"S1-221291","wg_status":"agreed","tsg_tdoc":"SP-220431","tsg_status":"approved","new_version":"19.0.0","source_url":"https://portal.3gpp.org/DesktopModules/CRs/CrDetails.aspx?CrId=451209","detail_synced_at":"2026-10-09T23:20:48.857401+00:00"},{"portal_cr_id":null,"cr_number":"0030","revision":null,"category":"C","impacted_version":"19.4.0","target_release":"Rel-19","title":"Update and Gap analysis of Merging of Railway Emergency alerts use case","wg_tdoc":"S1-233222","wg_status":"noted","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0017","revision":null,"category":"B","impacted_version":"19.0.0","target_release":"Rel-19","title":"Public Train Emergency Communication related use cases","wg_tdoc":"S1-222149","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0019","revision":null,"category":"C","impacted_version":"19.1.0","target_release":"Rel-19","title":"Enhancement of Multi-train voice communication for Drivers including Ground FRMCS User(s) related use cases","wg_tdoc":"S1-223013","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0019","revision":"1","category":"C","impacted_version":"19.1.0","target_release":"Rel-19","title":"Enhancement of Multi-train voice communication for Drivers and Ground FRMCS User(s) related use cases","wg_tdoc":"S1-223282","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0020","revision":null,"category":"C","impacted_version":"19.1.0","target_release":"Rel-19","title":"Enhancement of Multiuser talker control related use cases","wg_tdoc":"S1-223014","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0020","revision":"1","category":"C","impacted_version":"19.1.0","target_release":"Rel-19","title":"Enhancement of Multiuser talker control related use cases","wg_tdoc":"S1-223283","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0020","revision":"2","category":"C","impacted_version":"19.1.0","target_release":"Rel-19","title":"Enhancement of Multiuser talker control related use cases","wg_tdoc":"S1-223379","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0021","revision":null,"category":"C","impacted_version":"19.1.0","target_release":"Rel-19","title":"Update of QoS in a railway environment Use Case","wg_tdoc":"S1-223015","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0021","revision":"1","category":"C","impacted_version":"19.1.0","target_release":"Rel-19","title":"Update of QoS in a railway environment Use Case","wg_tdoc":"S1-223284","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0021","revision":"2","category":"C","impacted_version":"19.1.0","target_release":"Rel-19","title":"Update of QoS in a railway environment Use Case","wg_tdoc":"S1-223372","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0022","revision":null,"category":"C","impacted_version":"19.1.0","target_release":"Rel-19","title":"Enhancement of two use cases of Railway emergency communications: Termination of Railway Emergency Voice Communication and Initiation of Data communication during railway emergency alert","wg_tdoc":"S1-223016","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0022","revision":"1","category":"C","impacted_version":"19.1.0","target_release":"Rel-19","title":"Enhancement of two use cases of Railway emergency communications: Termination of Railway Emergency Voice Communication and Initiation of Data communication during railway emergency alert","wg_tdoc":"S1-223285","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0024","revision":null,"category":"D","impacted_version":"19.2.0","target_release":"Rel-19","title":"Minor editorial update of some definitions","wg_tdoc":"S1-231177","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0025","revision":null,"category":"D","impacted_version":"19.2.0","target_release":"Rel-19","title":"Minor editorial update of some references","wg_tdoc":"S1-231178","wg_status":"noted","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0026","revision":null,"category":"F","impacted_version":"19.2.0","target_release":"Rel-19","title":"Clean-up of Railway Emergency Communication related use cases","wg_tdoc":"S1-231315","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0027","revision":null,"category":"D","impacted_version":"19.2.0","target_release":"Rel-19","title":"Transportation convenience service for the passengers for the reduced mobility","wg_tdoc":"S1-231373","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0027","revision":"1","category":"B","impacted_version":"19.2.0","target_release":"Rel-19","title":"Transportation convenience service for the passengers for the reduced mobility","wg_tdoc":"S1-231632","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0028","revision":null,"category":"D","impacted_version":"19.2.0","target_release":"Rel-19","title":"Multiple concurrent mobility services","wg_tdoc":"S1-231374","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0028","revision":"1","category":"B","impacted_version":"19.2.0","target_release":"Rel-19","title":"Multiple concurrent mobility services","wg_tdoc":"S1-231631","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0028","revision":"2","category":"B","impacted_version":"19.2.0","target_release":"Rel-19","title":"Multiple concurrent mobility services","wg_tdoc":"S1-231679","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0029","revision":null,"category":"F","impacted_version":"19.3.0","target_release":"Rel-19","title":"Update of gap analysis of railway emergency alert, multi-talker control, authorisation of communication, arbitration use cases","wg_tdoc":"S1-232249","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0013","revision":null,"category":"B","impacted_version":"18.4.0","target_release":"Rel-19","title":"“Virtual Coupling data communication” use case","wg_tdoc":"S1-221058","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0014","revision":null,"category":"B","impacted_version":"18.4.0","target_release":"Rel-19","title":"Real-time automatic translation of languages-related use cases","wg_tdoc":"S1-221131","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0016","revision":null,"category":"C","impacted_version":"19.0.0","target_release":"Rel-19","title":"Enhancement and clean-up of Railway Emergency Communication related use cases","wg_tdoc":"S1-222129","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0018","revision":null,"category":"B","impacted_version":"19.0.0","target_release":"Rel-19","title":"Railway staff Emergency Communication related use cases","wg_tdoc":"S1-222159","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0022","revision":"2","category":"C","impacted_version":"19.1.0","target_release":"Rel-19","title":"Enhancement of Railway Emergency Communication","wg_tdoc":"S1-223373","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0023","revision":null,"category":"C","impacted_version":"19.1.0","target_release":"Rel-19","title":"Enhancement of FRMCS naming authority use case","wg_tdoc":"S1-223242","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0023","revision":"1","category":"C","impacted_version":"19.1.0","target_release":"Rel-19","title":"Enhancement of FRMCS naming authority use case","wg_tdoc":"S1-223374","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0023","revision":"2","category":"C","impacted_version":"19.1.0","target_release":"Rel-19","title":"Enhancement of FRMCS naming authority use case","wg_tdoc":"S1-223380","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0027","revision":"2","category":"B","impacted_version":"19.2.0","target_release":"Rel-19","title":"Transportation convenience service for the passengers for the reduced mobility","wg_tdoc":"S1-231680","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":451202,"cr_number":"0015","revision":"1","category":"F","impacted_version":"18.4.0","target_release":"Rel-18","title":"Call restriction based on subparts of functional identities","wg_tdoc":"S1-221237","wg_status":"agreed","tsg_tdoc":"SP-220430","tsg_status":"approved","new_version":"18.5.0","source_url":"https://portal.3gpp.org/DesktopModules/CRs/CrDetails.aspx?CrId=451202","detail_synced_at":"2026-10-10T00:50:30.885928+00:00"},{"portal_cr_id":441587,"cr_number":"0012","revision":"1","category":"B","impacted_version":"18.3.0","target_release":"Rel-18","title":"Adding MCX Service Ad hoc Group Communication as alternative capability to support Railway Emergency Communication","wg_tdoc":"S1-220218","wg_status":"agreed","tsg_tdoc":"SP-220079","tsg_status":"approved","new_version":"18.4.0","source_url":"https://portal.3gpp.org/DesktopModules/CRs/CrDetails.aspx?CrId=441587","detail_synced_at":"2026-10-10T00:54:17.749589+00:00"},{"portal_cr_id":434642,"cr_number":"0010","revision":"2","category":"C","impacted_version":"18.2.0","target_release":"Rel-18","title":"Alignment between Changing conditions of Railway Emergency Alert and Merging Railway Emergency Alert","wg_tdoc":"S1-214316","wg_status":"agreed","tsg_tdoc":"SP-211489","tsg_status":"approved","new_version":"18.3.0","source_url":"https://portal.3gpp.org/DesktopModules/CRs/CrDetails.aspx?CrId=434642","detail_synced_at":"2026-10-10T00:55:29.580212+00:00"},{"portal_cr_id":434641,"cr_number":"0008","revision":"2","category":"C","impacted_version":"18.2.0","target_release":"Rel-18","title":"Triggering a change of communication privileges for a particular FRMCS User based on identities and/or talker status","wg_tdoc":"S1-214315","wg_status":"agreed","tsg_tdoc":"SP-211489","tsg_status":"approved","new_version":"18.3.0","source_url":"https://portal.3gpp.org/DesktopModules/CRs/CrDetails.aspx?CrId=434641","detail_synced_at":"2026-10-10T00:55:30.004717+00:00"},{"portal_cr_id":429953,"cr_number":"0011","revision":null,"category":"C","impacted_version":"18.2.0","target_release":"Rel-18","title":"Service interworking between FRMCS and GSM-R of presence is no more required","wg_tdoc":"S1-214030","wg_status":"agreed","tsg_tdoc":"SP-211489","tsg_status":"approved","new_version":"18.3.0","source_url":"https://portal.3gpp.org/DesktopModules/CRs/CrDetails.aspx?CrId=429953","detail_synced_at":"2026-10-10T00:55:30.425645+00:00"},{"portal_cr_id":429950,"cr_number":"0009","revision":null,"category":"C","impacted_version":"18.2.0","target_release":"Rel-18","title":"Arbitration: automatic answer","wg_tdoc":"S1-214028","wg_status":"agreed","tsg_tdoc":"SP-211489","tsg_status":"approved","new_version":"18.3.0","source_url":"https://portal.3gpp.org/DesktopModules/CRs/CrDetails.aspx?CrId=429950","detail_synced_at":"2026-10-10T00:55:30.858935+00:00"},{"portal_cr_id":426456,"cr_number":"0006","revision":"1","category":"C","impacted_version":"18.1.0","target_release":"Rel-18","title":"Changes to Critical Support Applications Multiuser talker control use case to support configurable initial talker permission","wg_tdoc":"S1-213320","wg_status":"agreed","tsg_tdoc":"SP-211049","tsg_status":"approved","new_version":"18.2.0","source_url":"https://portal.3gpp.org/DesktopModules/CRs/CrDetails.aspx?CrId=426456","detail_synced_at":"2026-10-10T00:57:02.756870+00:00"},{"portal_cr_id":426455,"cr_number":"0004","revision":"1","category":"C","impacted_version":"18.1.0","target_release":"Rel-18","title":"Changes to Critical Support Applications Inviting-a-FRMCS User to a voice communication use case to support Interworking with GSM-R","wg_tdoc":"S1-213319","wg_status":"agreed","tsg_tdoc":"SP-211049","tsg_status":"approved","new_version":"18.2.0","source_url":"https://portal.3gpp.org/DesktopModules/CRs/CrDetails.aspx?CrId=426455","detail_synced_at":"2026-10-10T00:57:03.177561+00:00"},{"portal_cr_id":407978,"cr_number":"0003","revision":"1","category":"C","impacted_version":"18.0.0","target_release":"Rel-18","title":"Merging of Railway Emergency Communications","wg_tdoc":"S1-210516","wg_status":"agreed","tsg_tdoc":"SP-210223","tsg_status":"approved","new_version":"18.1.0","source_url":"https://portal.3gpp.org/DesktopModules/CRs/CrDetails.aspx?CrId=407978","detail_synced_at":"2026-10-10T00:58:37.714934+00:00"},{"portal_cr_id":407977,"cr_number":"0002","revision":"1","category":"C","impacted_version":"18.0.0","target_release":"Rel-18","title":"Changes to Critical Support Applications “Inviting-a-FRMCS User to a voice communication” use case","wg_tdoc":"S1-210515","wg_status":"agreed","tsg_tdoc":"SP-210223","tsg_status":"approved","new_version":"18.1.0","source_url":"https://portal.3gpp.org/DesktopModules/CRs/CrDetails.aspx?CrId=407977","detail_synced_at":"2026-10-10T00:58:38.078021+00:00"},{"portal_cr_id":407967,"cr_number":"0001","revision":"1","category":"D","impacted_version":"18.0.0","target_release":"Rel-18","title":"Align TR with SA1 drafting rules on Inclusive Language","wg_tdoc":"S1-210397","wg_status":"agreed","tsg_tdoc":"SP-210200","tsg_status":"approved","new_version":"18.1.0","source_url":"https://portal.3gpp.org/DesktopModules/CRs/CrDetails.aspx?CrId=407967","detail_synced_at":"2026-10-10T00:58:38.499441+00:00"},{"portal_cr_id":null,"cr_number":"0004","revision":null,"category":"C","impacted_version":"18.1.0","target_release":"Rel-18","title":"Changes to Critical Support Applications Inviting-a-FRMCS User to a voice communication use case to support Interworking with GSM-R","wg_tdoc":"S1-213123","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0002","revision":null,"category":"C","impacted_version":"18.0.0","target_release":"Rel-18","title":"Changes to Critical Support Applications “Inviting-a-FRMCS User to a voice communication” use case","wg_tdoc":"S1-210249","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0003","revision":null,"category":"C","impacted_version":"18.0.0","target_release":"Rel-18","title":"Merging of Railway Emergency Communications","wg_tdoc":"S1-210250","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0015","revision":null,"category":"C","impacted_version":"18.4.0","target_release":"Rel-18","title":"Call restriction based on subparts of functional identities","wg_tdoc":"S1-221132","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0001","revision":null,"category":"D","impacted_version":"18.0.0","target_release":"Rel-18","title":"Align TR with SA1 drafting rules on Inclusive Language","wg_tdoc":"S1-210226","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0012","revision":null,"category":"B","impacted_version":"18.3.0","target_release":"Rel-18","title":"Adding MCX Service Ad hoc Group Communication as alternative capability to support Railway Emergency Communication","wg_tdoc":"S1-220033","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0010","revision":"1","category":"C","impacted_version":"18.2.0","target_release":"Rel-18","title":"Alignment between Changing conditions of Railway Emergency Alert and Merging Railway Emergency Alert","wg_tdoc":"S1-214288","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0010","revision":null,"category":"C","impacted_version":"18.2.0","target_release":"Rel-18","title":"Alignment between Changing conditions of Railway Emergency Alert and Merging Railway Emergency Alert","wg_tdoc":"S1-214029","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0008","revision":"1","category":"C","impacted_version":"18.2.0","target_release":"Rel-18","title":"Triggering a change of communication privileges for a particular FRMCS User based on identities and/or talker status","wg_tdoc":"S1-214287","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0008","revision":null,"category":"C","impacted_version":"18.2.0","target_release":"Rel-18","title":"Triggering a change of communication privileges for a particular FRMCS User based on identities and/or talker status","wg_tdoc":"S1-214027","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0007","revision":null,"category":"C","impacted_version":"18.1.0","target_release":"Rel-18","title":"Enabling/Disabling communication privileges of users (autorisation of applications)","wg_tdoc":"S1-213128","wg_status":"withdrawn","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0006","revision":null,"category":"C","impacted_version":"18.1.0","target_release":"Rel-18","title":"Changes to Critical Support Applications Multiuser talker control use case to support configurable initial talker permission","wg_tdoc":"S1-213127","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0005","revision":null,"category":"C","impacted_version":"18.1.0","target_release":"Rel-18","title":"Changes to System Principle “Interworking between GSM-R and FRMCS” to reflect latest user requirements","wg_tdoc":"S1-213126","wg_status":"withdrawn","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null}],"relationships":[],"relationship_release_evidence_summary":[],"relationship_release_evidence":[],"relationship_release_evidence_meta":{"total":0,"returned_count":0,"limit":100,"truncated":false,"href":"/api/specs/22.989/relationship-evidence"}}