{"id":4840,"number":"03.09","type":"TS","title":"Handover Procedures","series":3,"status":"Under change control","initial_release":"Phase 1","primary_group":"C4","secondary_groups":[],"portal_id":115,"portal_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=115","dynareport_url":"https://www.3gpp.org/dynareport/0309.htm","publication_scope":null,"radio_technologies":[],"first_seen_at":"2026-09-16T11:04:46.949941+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=115","bibliography_source":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv"},"detail_synced_at":"2026-10-07T21:58:03.958270+00:00","versions":[{"release":"Phase 1","version":"3.1.1","meeting":"-","upload_date":"2005-10-05","comment":"Scanned paper version from MC...","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/03_series/03.09/0309-311.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":null},{"release":"Release 1998","version":"7.0.0","meeting":"-","upload_date":"1999-06-25","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/03_series/03.09/0309-700.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":null},{"release":"Release 1997","version":"6.0.0","meeting":"-","upload_date":"1998-10-16","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/03_series/03.09/0309-600.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":null},{"release":"Phase 2+","version":"5.1.0","meeting":"-","upload_date":"1997-06-13","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/03_series/03.09/0309-510.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":17057,"version_status":null},{"release":"Phase 2+","version":"5.0.0","meeting":"-","upload_date":"1996-04-12","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/03_series/03.09/0309-500.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":13866,"version_status":null},{"release":"Phase 2","version":"4.6.0","meeting":"-","upload_date":"1996-02-02","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/03_series/03.09/0309-460.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":32027,"version_status":null},{"release":"Phase 1","version":"3.2.1","meeting":"-","upload_date":"1995-01-01","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/03_series/03.09/0309-321.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":null},{"release":"Phase 2","version":"4.5.0","meeting":"-","upload_date":"1994-10-07","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/03_series/03.09/0309-450.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":26699,"version_status":null},{"release":"Phase 2","version":"4.4.0","meeting":"-","upload_date":"1994-07-01","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/03_series/03.09/0309-440.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":30862,"version_status":null},{"release":"Phase 2","version":"4.3.0","meeting":"-","upload_date":"1994-04-15","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/03_series/03.09/0309-430.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":20684,"version_status":null},{"release":"Phase 2","version":"4.2.1","meeting":"-","upload_date":"1994-01-21","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/03_series/03.09/0309-421.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":21092,"version_status":null},{"release":"Phase 2","version":"4.2.0","meeting":"-","upload_date":"1993-10-01","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/03_series/03.09/0309-420.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":null},{"release":"Phase 2","version":"4.1.0","meeting":"-","upload_date":"1993-06-25","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/03_series/03.09/0309-410.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":null},{"release":"Phase 1","version":"3.0.0","meeting":"-","upload_date":null,"comment":"","official_file_url":null,"source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":null}],"release_presence":[{"release":"Phase 1","first_version_date":"1995-01-01","latest_version_date":"2005-10-05","first_version":"3.0.0","latest_version":"3.2.1","version_count":3},{"release":"Phase 2","first_version_date":"1993-06-25","latest_version_date":"1996-02-02","first_version":"4.1.0","latest_version":"4.6.0","version_count":7},{"release":"Phase 2+","first_version_date":"1996-04-12","latest_version_date":"1997-06-13","first_version":"5.0.0","latest_version":"5.1.0","version_count":2},{"release":"Release 1997","first_version_date":"1998-10-16","latest_version_date":"1998-10-16","first_version":"6.0.0","latest_version":"6.0.0","version_count":1},{"release":"Release 1998","first_version_date":"1999-06-25","latest_version_date":"1999-06-25","first_version":"7.0.0","latest_version":"7.0.0","version_count":1}],"classifications":[],"work_items":[],"change_requests":[{"portal_cr_id":null,"cr_number":"A003","revision":"3","category":"B","impacted_version":"..","target_release":"R96","title":"Allowed cause values in Handover Required message applicable to Directed Retry","wg_tdoc":null,"wg_status":"agreed","tsg_tdoc":"287/96","tsg_status":"approved","new_version":"5.0.0","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"A006","revision":"1","category":"F","impacted_version":"5.0.0","target_release":"R96","title":"Circuit Allocation by the BSS","wg_tdoc":"97P256","wg_status":"agreed","tsg_tdoc":"426/97","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},{"portal_cr_id":null,"cr_number":"A002","revision":"5","category":"B","impacted_version":"..","target_release":"R96","title":"Inclusion of VGCS/VBS handover requirements","wg_tdoc":null,"wg_status":"agreed","tsg_tdoc":"306/96","tsg_status":"approved","new_version":"5.0.0","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":"C","impacted_version":"..","target_release":"Ph2","title":"Alignment of TS GSM 03.09 with phase 2 requirements","wg_tdoc":"168/93","wg_status":"agreed","tsg_tdoc":"246/93","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":null,"category":"F","impacted_version":"..","target_release":"Ph2","title":"Update of handover specification for phase 2","wg_tdoc":"696/93","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":"1","category":"C","impacted_version":"..","target_release":"Ph2","title":"Update of the specification of handover procedures for phase 2","wg_tdoc":"807/93","wg_status":"agreed","tsg_tdoc":"608/93","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":"0006","revision":null,"category":"F","impacted_version":"..","target_release":"Ph2","title":"SDLs for handover Procedures","wg_tdoc":"763/93","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":"0006","revision":"1","category":"C","impacted_version":"..","target_release":"Ph2","title":"SDLs For Handover Procedures","wg_tdoc":null,"wg_status":"agreed","tsg_tdoc":"608/93","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":"0007","revision":null,"category":"D","impacted_version":"..","target_release":"Ph2","title":"Editorial Correction to the SDLs","wg_tdoc":"834/93","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":"1","category":"D","impacted_version":"..","target_release":"Ph2","title":"Editorial corrections to the SDLs","wg_tdoc":"A49/93","wg_status":"agreed","tsg_tdoc":"79/94","tsg_status":"approved","new_version":"4.2.1","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":"D","impacted_version":"..","target_release":"Ph2","title":"Removal of textual Ambiguities","wg_tdoc":"835/93","wg_status":"agreed","tsg_tdoc":"79/94","tsg_status":"approved","new_version":"4.2.1","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":"..","target_release":"Ph2","title":"Improvement to the Post Handover Assignment Procedures","wg_tdoc":"836/93","wg_status":"postponed","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":"0009","revision":"1","category":"F","impacted_version":"4.2.1","target_release":"Ph2","title":"Improvement in the Post Handover Assignment Procedure","wg_tdoc":"17/94","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":"0009","revision":"2","category":"F","impacted_version":"4.2.1","target_release":"Ph2","title":"Improvement in the Post Handover Assignment Procedure","wg_tdoc":"92/94","wg_status":"agreed","tsg_tdoc":"214/94","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":"0010","revision":null,"category":"C","impacted_version":"..","target_release":"Ph2","title":"Applicable BSSAP procedures on E-interface","wg_tdoc":"863/93","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":"..","target_release":"Ph2","title":"Applicable BSSAP procedures on E-interface","wg_tdoc":null,"wg_status":"agreed","tsg_tdoc":"79/94","tsg_status":"postponed","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":"0011","revision":null,"category":"D","impacted_version":"..","target_release":"Ph2","title":"Editorial update due to new TS reference 09.08","wg_tdoc":"864/93","wg_status":"agreed","tsg_tdoc":"79/94","tsg_status":"approved","new_version":"4.2.1","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":"D","impacted_version":"4.2.1","target_release":"Ph2","title":"Editorial Correcrtions to the SDLs and text","wg_tdoc":"18/94","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":"1","category":"F","impacted_version":"4.2.1","target_release":"Ph2","title":"Editorial Corrections to the SDLs and text","wg_tdoc":"192/94","wg_status":"agreed","tsg_tdoc":"214/94","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":"0013","revision":null,"category":"D","impacted_version":"4.2.1","target_release":"Ph2","title":"Changes to Handover Number Assignment Procedures","wg_tdoc":"19/94","wg_status":"agreed","tsg_tdoc":"214/94","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":"0014","revision":null,"category":"F","impacted_version":"4.2.1","target_release":"Ph2","title":"Applicable BSSAP procedures on E-interface","wg_tdoc":"221/94","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":"1","category":"F","impacted_version":"4.2.1","target_release":"Ph2","title":"Applicable BSSAP procedures on E-interface","wg_tdoc":"280/94","wg_status":"agreed","tsg_tdoc":"217/94","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":"0015","revision":null,"category":"F","impacted_version":"..","target_release":"Ph2","title":"Clarification to the point where PSTN setup is started","wg_tdoc":"414/94","wg_status":"agreed","tsg_tdoc":"400/94","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":"0016","revision":null,"category":"F","impacted_version":"4.4.0","target_release":"Ph2","title":"Subsequent channel assignment failure in SMC-B","wg_tdoc":"655/94","wg_status":"agreed","tsg_tdoc":"525/94","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":"A003","revision":"1","category":"F","impacted_version":"..","target_release":"Ph2","title":"Allowed cause values in HO required message during queueing phase","wg_tdoc":null,"wg_status":"agreed","tsg_tdoc":"029/96","tsg_status":"postponed","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":"A004","revision":null,"category":"F","impacted_version":"..","target_release":"Ph2","title":"Correction for procedure MSC_A_HO","wg_tdoc":null,"wg_status":"agreed","tsg_tdoc":"029/96","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":"0003","revision":null,"category":"C","impacted_version":"..","target_release":"Ph2","title":"Echo canceller control","wg_tdoc":"290/91","wg_status":"agreed","tsg_tdoc":"323/91","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":"0001","revision":null,"category":"A","impacted_version":"3.0.0","target_release":"Ph1","title":"Limitation of service after inter-MSC Handover","wg_tdoc":null,"wg_status":"agreed","tsg_tdoc":"322/89","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":"0002","revision":null,"category":"E","impacted_version":"..","target_release":"Ph1","title":"Setting of timers","wg_tdoc":null,"wg_status":null,"tsg_tdoc":"326/90","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":"A001","revision":null,"category":"F","impacted_version":"..","target_release":null,"title":null,"wg_tdoc":null,"wg_status":null,"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/03.09/relationship-evidence"}}