{"id":8824,"number":"44.901","type":"TR","title":"GSM/EDGE External Network Assisted Cell Change (NACC)","series":44,"status":"Under change control","initial_release":"Rel-5","primary_group":"RP","secondary_groups":[],"portal_id":2703,"portal_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2703","dynareport_url":"https://www.3gpp.org/dynareport/44901.htm","publication_scope":null,"radio_technologies":[],"first_seen_at":"2026-09-16T11:05:15.308464+00:00","updated_at":"2026-10-16T09:35:23.765577+00:00","raw_metadata":{"source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2703","bibliography_source":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv"},"detail_synced_at":"2026-10-08T02:50:18.027560+00:00","versions":[{"release":"Rel-19","version":"19.0.0","meeting":"SA#109","upload_date":"2025-10-14","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/44_series/44.901/44901-j00.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":null},{"release":"Rel-18","version":"18.0.0","meeting":"SA#103","upload_date":"2024-04-04","comment":"Automatic upgrade from previo...","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/44_series/44.901/44901-i00.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":null},{"release":"Rel-17","version":"17.0.0","meeting":"SA#95-e","upload_date":"2022-04-07","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/44_series/44.901/44901-h00.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":null},{"release":"Rel-16","version":"16.0.0","meeting":"SA#88-e","upload_date":"2020-07-19","comment":"upgrade","official_file_url":"https://www.3gpp.org/ftp//Specs/archive/44_series/44.901/44901-g00.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":null},{"release":"Rel-15","version":"15.0.0","meeting":"SA#80","upload_date":"2018-06-28","comment":"","official_file_url":"https://www.3gpp.org/ftp//Specs/archive/44_series/44.901/44901-f00.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":null},{"release":"Rel-14","version":"14.0.0","meeting":"RAN#75","upload_date":"2017-03-20","comment":"","official_file_url":"https://www.3gpp.org/ftp//Specs/archive/44_series/44.901/44901-e00.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":null},{"release":"Rel-13","version":"13.0.0","meeting":"SA#70","upload_date":"2016-01-06","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/44_series/44.901/44901-d00.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":null},{"release":"Rel-12","version":"12.0.0","meeting":"SA#65","upload_date":"2014-09-24","comment":"Automatic upgrade from previo...","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/44_series/44.901/44901-c00.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":null},{"release":"Rel-11","version":"11.0.0","meeting":"SA#57","upload_date":"2012-09-21","comment":"Automatic upgrade from previo...","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/44_series/44.901/44901-b00.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":null},{"release":"Rel-10","version":"10.0.0","meeting":"SA#51","upload_date":"2011-04-01","comment":"Automatic upgrade from previo...","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/44_series/44.901/44901-a00.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":null},{"release":"Rel-9","version":"9.0.0","meeting":"SA#46","upload_date":"2009-12-18","comment":"Automatic upgrade from previo...","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/44_series/44.901/44901-900.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":null},{"release":"Rel-8","version":"8.0.0","meeting":"SA#42","upload_date":"2008-12-19","comment":"Upgraded unchanged from Rel-7","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/44_series/44.901/44901-800.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":null},{"release":"Rel-7","version":"7.0.0","meeting":"GERAN#35","upload_date":"2007-09-25","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/44_series/44.901/44901-700.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":null},{"release":"Rel-6","version":"6.0.0","meeting":"GERAN#23","upload_date":"2005-02-14","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/44_series/44.901/44901-600.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":null},{"release":"Rel-5","version":"5.1.0","meeting":"GERAN-#9","upload_date":"2002-05-06","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/44_series/44.901/44901-510.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":20450,"version_status":null},{"release":"Rel-5","version":"1.0.0","meeting":"GERAN-#8","upload_date":"2002-04-04","comment":"GP-020427","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/44_series/44.901/44901-100.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":"pre-approval"},{"release":"Rel-5","version":"0.7.0","meeting":"GERAN-#8","upload_date":"2002-04-04","comment":"GP-020220","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/44_series/44.901/44901-070.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":"pre-approval"},{"release":"Rel-5","version":"5.0.0","meeting":"GERAN-#8","upload_date":"2002-03-26","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/44_series/44.901/44901-500.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":null},{"release":"Rel-5","version":"2.0.0","meeting":"GERAN-#8","upload_date":"2002-03-19","comment":"GP-020491","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/44_series/44.901/44901-200.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":"pre-approval"},{"release":"Rel-5","version":"0.4.0","meeting":"GERAN-#6","upload_date":null,"comment":"","official_file_url":null,"source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":"pre-approval"}],"release_presence":[{"release":"Rel-5","first_version_date":"2002-03-19","latest_version_date":"2002-05-06","first_version":"0.4.0","latest_version":"5.1.0","version_count":6},{"release":"Rel-6","first_version_date":"2005-02-14","latest_version_date":"2005-02-14","first_version":"6.0.0","latest_version":"6.0.0","version_count":1},{"release":"Rel-7","first_version_date":"2007-09-25","latest_version_date":"2007-09-25","first_version":"7.0.0","latest_version":"7.0.0","version_count":1},{"release":"Rel-8","first_version_date":"2008-12-19","latest_version_date":"2008-12-19","first_version":"8.0.0","latest_version":"8.0.0","version_count":1},{"release":"Rel-9","first_version_date":"2009-12-18","latest_version_date":"2009-12-18","first_version":"9.0.0","latest_version":"9.0.0","version_count":1},{"release":"Rel-10","first_version_date":"2011-04-01","latest_version_date":"2011-04-01","first_version":"10.0.0","latest_version":"10.0.0","version_count":1},{"release":"Rel-11","first_version_date":"2012-09-21","latest_version_date":"2012-09-21","first_version":"11.0.0","latest_version":"11.0.0","version_count":1},{"release":"Rel-12","first_version_date":"2014-09-24","latest_version_date":"2014-09-24","first_version":"12.0.0","latest_version":"12.0.0","version_count":1},{"release":"Rel-13","first_version_date":"2016-01-06","latest_version_date":"2016-01-06","first_version":"13.0.0","latest_version":"13.0.0","version_count":1},{"release":"Rel-14","first_version_date":"2017-03-20","latest_version_date":"2017-03-20","first_version":"14.0.0","latest_version":"14.0.0","version_count":1},{"release":"Rel-15","first_version_date":"2018-06-28","latest_version_date":"2018-06-28","first_version":"15.0.0","latest_version":"15.0.0","version_count":1},{"release":"Rel-16","first_version_date":"2020-07-19","latest_version_date":"2020-07-19","first_version":"16.0.0","latest_version":"16.0.0","version_count":1},{"release":"Rel-17","first_version_date":"2022-04-07","latest_version_date":"2022-04-07","first_version":"17.0.0","latest_version":"17.0.0","version_count":1},{"release":"Rel-18","first_version_date":"2024-04-04","latest_version_date":"2024-04-04","first_version":"18.0.0","latest_version":"18.0.0","version_count":1},{"release":"Rel-19","first_version_date":"2025-10-14","latest_version_date":"2025-10-14","first_version":"19.0.0","latest_version":"19.0.0","version_count":1}],"classifications":[],"work_items":[{"uid":2314,"acronym":"GEIMP2","effective_acronym":"GEIMP2","title":"GERAN improvements 2 (NACC)","responsible_groups":["GP"],"release":"Rel-4","status":"Awaiting approval","wi_level":"Feature (1st level)","type":"Work Item","first_release":"Rel-5","last_release":"Rel-5","provenance_type":"official","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20261012.zip","association_sources":["crdb"],"association_status":"source_tracked"},{"uid":14012,"acronym":"Mp","effective_acronym":"Mp","title":"Mp (MRFC - MRFP) interface","responsible_groups":["C1","C4"],"release":"Rel-7","status":"Awaiting approval","wi_level":"Feature (1st level)","type":"Work Item","first_release":null,"last_release":null,"provenance_type":"official","source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2703","association_sources":[],"association_status":"historical_unverified"}],"change_requests":[{"portal_cr_id":null,"cr_number":"0001","revision":null,"category":"C","impacted_version":"..","target_release":"Rel-5","title":"Possibility to start/stop event driven transmission of event driven messages","wg_tdoc":"G2-020300","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":"1","category":"C","impacted_version":"..","target_release":"Rel-5","title":"External NACC: Introduction of a possibility to start and stop event driven transmission of RIM messages","wg_tdoc":"GP-020962","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":"2","category":"C","impacted_version":"5.0.0","target_release":"Rel-5","title":"External NACC: Introduction of a possibility to start and stop event driven transmission of RIM messages","wg_tdoc":"GP-021230","wg_status":"agreed","tsg_tdoc":"GP-021230","tsg_status":"approved","new_version":"5.1.0","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/44.901/relationship-evidence"}}