{"id":5156,"number":"21.06U","type":"TR","title":"O&M requirements for the UMTS","series":21,"status":"Withdrawn under change control","initial_release":"UMTS","primary_group":null,"secondary_groups":[],"portal_id":2822,"portal_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2822","dynareport_url":"https://www.3gpp.org/dynareport/2106U.htm","publication_scope":null,"radio_technologies":[],"first_seen_at":"2026-09-16T11:04:47.928174+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=2822","bibliography_source":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv"},"detail_synced_at":"2026-10-07T22:28:37.440929+00:00","versions":[{"release":"UMTS","version":"3.0.0","meeting":"-","upload_date":"1998-03-20","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/21_series/21.06U/2106U-300.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":null},{"release":"UMTS","version":"1.1.2","meeting":"-","upload_date":"1997-12-19","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/21_series/21.06U/2106U-112.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":null},{"release":"UMTS","version":"1.0.0","meeting":"-","upload_date":"1997-10-19","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/21_series/21.06U/2106U-100.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":null},{"release":"UMTS","version":"2.0.0","meeting":"-","upload_date":"1997-02-17","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/21_series/21.06U/2106U-200.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":null}],"release_presence":[{"release":"UMTS","first_version_date":"1997-02-17","latest_version_date":"1998-03-20","first_version":"1.0.0","latest_version":"3.0.0","version_count":4}],"classifications":[],"work_items":[],"change_requests":[],"relationships":[],"relationship_release_evidence_summary":[],"relationship_release_evidence":[],"relationship_release_evidence_meta":{"total":0,"returned_count":0,"limit":100,"truncated":false,"href":"/api/specs/21.06U/relationship-evidence"}}