{"id":4877,"number":"03.54","type":"TS","title":"Description for the use of a Shared Inter Working Function (SIWF) in a GSM PLMN; Stage 2","series":3,"status":"Under change control","initial_release":"Phase 2+","primary_group":"C3","secondary_groups":[],"portal_id":155,"portal_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=155","dynareport_url":"https://www.3gpp.org/dynareport/0354.htm","publication_scope":null,"radio_technologies":[],"first_seen_at":"2026-09-16T11:04:47.289077+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=155","bibliography_source":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv"},"detail_synced_at":"2026-10-07T22:01:52.779127+00:00","versions":[{"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/03.54/0354-700.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/03.54/0354-600.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":null},{"release":"Phase 2+","version":"5.2.0","meeting":"-","upload_date":"1997-12-19","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/03_series/03.54/0354-520.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":"1997-10-17","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/03_series/03.54/0354-510.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":29906,"version_status":null}],"release_presence":[{"release":"Phase 2+","first_version_date":"1997-10-17","latest_version_date":"1997-12-19","first_version":"5.1.0","latest_version":"5.2.0","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":"A007","revision":null,"category":"F","impacted_version":"..","target_release":"R97","title":"RR parameters over the K-interface","wg_tdoc":"97p408","wg_status":"agreed","tsg_tdoc":"97-920","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":"1","category":"D","impacted_version":"..","target_release":"R97","title":"Definition of visited MSC","wg_tdoc":"97p188","wg_status":"agreed","tsg_tdoc":"97-698","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":"A002","revision":null,"category":"F","impacted_version":"..","target_release":"R97","title":"Clarifications of ISUP procedures","wg_tdoc":"97p261","wg_status":"agreed","tsg_tdoc":"97-698","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":"A003","revision":null,"category":"D","impacted_version":"..","target_release":"R97","title":"Number of MSCs that can access an SIWF","wg_tdoc":"97p260","wg_status":"agreed","tsg_tdoc":"97-698","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":"A004","revision":null,"category":"D","impacted_version":"..","target_release":"R97","title":"Clarification on the MAP Dialouge","wg_tdoc":"97p460","wg_status":"agreed","tsg_tdoc":"97-920","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":"A005","revision":null,"category":"F","impacted_version":"..","target_release":"R97","title":"Correlation of ISUP messages","wg_tdoc":"97p461","wg_status":"agreed","tsg_tdoc":"97-920","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":"A006","revision":null,"category":"F","impacted_version":"..","target_release":"R97","title":"Dedicated services (BS4x or BS5x) should not be restricted to the non loop method'","wg_tdoc":"97p456","wg_status":"agreed","tsg_tdoc":"97-920","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":"0000","revision":null,"category":"F","impacted_version":"..","target_release":"R96","title":"Shared Interworking Function stage 2","wg_tdoc":"97p","wg_status":"agreed","tsg_tdoc":"410/97","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}],"relationships":[],"relationship_release_evidence_summary":[],"relationship_release_evidence":[],"relationship_release_evidence_meta":{"total":0,"returned_count":0,"limit":100,"truncated":false,"href":"/api/specs/03.54/relationship-evidence"}}