{"id":5159,"number":"21.102","type":"TS","title":"3rd Generation mobile system Release 4 specifications","series":21,"status":"Withdrawn under change control","initial_release":"Rel-4","primary_group":"SP","secondary_groups":[],"portal_id":545,"portal_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=545","dynareport_url":"https://www.3gpp.org/dynareport/21102.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=545","bibliography_source":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv"},"detail_synced_at":"2026-10-07T22:28:43.103512+00:00","versions":[{"release":"Rel-4","version":"4.9.0","meeting":"SA#20","upload_date":"2003-06-25","comment":"withdrawn -> 21.101","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/21_series/21.102/21102-490.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":752,"version_status":null},{"release":"Rel-4","version":"4.8.0","meeting":"SA#19","upload_date":"2003-03-27","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/21_series/21.102/21102-480.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":27586,"version_status":null},{"release":"Rel-4","version":"4.7.0","meeting":"SA-#18","upload_date":"2003-01-03","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/21_series/21.102/21102-470.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":10572,"version_status":null},{"release":"Rel-4","version":"4.6.0","meeting":"SA-#17","upload_date":"2002-09-18","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/21_series/21.102/21102-460.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":14520,"version_status":null},{"release":"Rel-4","version":"4.5.0","meeting":"SA-#16","upload_date":"2002-06-19","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/21_series/21.102/21102-450.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":21631,"version_status":null},{"release":"Rel-4","version":"4.4.0","meeting":"SA-#15","upload_date":"2002-03-27","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/21_series/21.102/21102-440.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":31487,"version_status":null},{"release":"Rel-4","version":"4.3.0","meeting":"SA-#14","upload_date":"2002-01-03","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/21_series/21.102/21102-430.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":28328,"version_status":null},{"release":"Rel-4","version":"4.2.0","meeting":"SA-#13","upload_date":"2001-10-01","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/21_series/21.102/21102-420.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":36486,"version_status":null},{"release":"Rel-4","version":"4.1.0","meeting":"SA-#12","upload_date":"2001-07-05","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/21_series/21.102/21102-410.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":null},{"release":"Rel-4","version":"4.0.0","meeting":"SA-#11","upload_date":"2001-04-11","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/21_series/21.102/21102-400.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":null},{"release":"Rel-4","version":"1.1.0","meeting":"SA-#10","upload_date":"2001-01-04","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/21_series/21.102/21102-110.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":"pre-approval"},{"release":"Rel-4","version":"1.0.0","meeting":"SA-#8","upload_date":"2000-06-30","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/21_series/21.102/21102-100.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":"pre-approval"}],"release_presence":[{"release":"Rel-4","first_version_date":"2000-06-30","latest_version_date":"2003-06-25","first_version":"1.0.0","latest_version":"4.9.0","version_count":12}],"classifications":[],"work_items":[{"uid":60094,"acronym":"TEI","effective_acronym":"TEI","title":"(Small) Technical Enhancements and Improvements for R99","responsible_groups":["N3"],"release":"R99","status":"Awaiting approval","wi_level":"Feature (1st level)","type":"Work Item","first_release":"Rel-4","last_release":"Rel-4","provenance_type":"parsed","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20261012.zip","association_sources":["crdb"],"association_status":"source_tracked"}],"change_requests":[{"portal_cr_id":null,"cr_number":"0001","revision":null,"category":"F","impacted_version":"4.0.0","target_release":"Rel-4","title":"Correction to list of specs","wg_tdoc":null,"wg_status":null,"tsg_tdoc":"SP-010274","tsg_status":"revised","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":"F","impacted_version":"4.0.0","target_release":"Rel-4","title":"Correction to list of specs","wg_tdoc":null,"wg_status":null,"tsg_tdoc":"SP-010380","tsg_status":"revised","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":"F","impacted_version":"4.0.0","target_release":"Rel-4","title":"Correction to list of specs","wg_tdoc":null,"wg_status":null,"tsg_tdoc":"SP-010396","tsg_status":"approved","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":"1","category":"F","impacted_version":"4.3.0","target_release":"Rel-4","title":"Correction to list of specifications","wg_tdoc":null,"wg_status":null,"tsg_tdoc":"SP-020176","tsg_status":"approved","new_version":"4.4.0","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":"F","impacted_version":"4.3.0","target_release":"Rel-4","title":"Renumbering of specs to reflect access-technology-independence of IST","wg_tdoc":null,"wg_status":null,"tsg_tdoc":"SP-020197","tsg_status":"withdrawn","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":"F","impacted_version":"4.4.0","target_release":"Rel-4","title":"Correction to list of specifications","wg_tdoc":null,"wg_status":null,"tsg_tdoc":"SP-020270","tsg_status":"revised","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":"1","category":"F","impacted_version":"4.4.0","target_release":"Rel-4","title":"Correction to list of specifications","wg_tdoc":null,"wg_status":null,"tsg_tdoc":"SP-020397","tsg_status":"approved","new_version":"4.5.0","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":"F","impacted_version":"4.5.0","target_release":"Rel-4","title":"Correction to list of specifications","wg_tdoc":null,"wg_status":null,"tsg_tdoc":"SP-020516","tsg_status":"revised","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":"F","impacted_version":"4.5.0","target_release":"Rel-4","title":"Correction to list of specifications","wg_tdoc":null,"wg_status":null,"tsg_tdoc":"SP-020612","tsg_status":"approved","new_version":"4.6.0","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0009","revision":"1","category":"F","impacted_version":"4.6.0","target_release":"Rel-4","title":"Correction to list of specs","wg_tdoc":null,"wg_status":null,"tsg_tdoc":"SP-020830","tsg_status":"approved","new_version":"4.7.0","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":"F","impacted_version":"4.7.0","target_release":"Rel-4","title":"Correction to list of specs","wg_tdoc":null,"wg_status":null,"tsg_tdoc":"SP-030077","tsg_status":"approved","new_version":"4.8.0","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0011","revision":null,"category":"F","impacted_version":"4.8.0","target_release":"Rel-4","title":"Correction to list of specs","wg_tdoc":null,"wg_status":null,"tsg_tdoc":"SP-030229","tsg_status":"approved","new_version":"4.9.0","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":"F","impacted_version":"4.8.0","target_release":"Rel-4","title":"Removal of list of specs and substitution of a pointer to replacement spec","wg_tdoc":null,"wg_status":null,"tsg_tdoc":"SP-030359","tsg_status":"approved","new_version":"4.9.0","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":"F","impacted_version":"4.1.0","target_release":"Rel-4","title":"Correction to list of specifications","wg_tdoc":null,"wg_status":null,"tsg_tdoc":"SP-010417","tsg_status":"revised","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":"1","category":"F","impacted_version":"4.1.0","target_release":"Rel-4","title":"Correction to list of specifications","wg_tdoc":null,"wg_status":null,"tsg_tdoc":"SP-010534","tsg_status":"approved","new_version":"4.2.0","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0004","revision":null,"category":"F","impacted_version":"4.2.0","target_release":"Rel-4","title":"Correction to list of specs","wg_tdoc":null,"wg_status":null,"tsg_tdoc":"SP-010656","tsg_status":"revised","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":"0004","revision":"1","category":"F","impacted_version":"4.2.0","target_release":"Rel-4","title":"Correction to list of specs","wg_tdoc":null,"wg_status":null,"tsg_tdoc":"SP-010753","tsg_status":"approved","new_version":"4.3.0","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":"F","impacted_version":"4.3.0","target_release":"Rel-4","title":"Correction to list of specifications","wg_tdoc":null,"wg_status":null,"tsg_tdoc":"SP-020094","tsg_status":"revised","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":"0009","revision":null,"category":"F","impacted_version":"4.6.0","target_release":"Rel-4","title":"Correction to list of specs","wg_tdoc":null,"wg_status":null,"tsg_tdoc":"SP-020779","tsg_status":"revised","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/21.102/relationship-evidence"}}