{"id":4973,"number":"05.56","type":"TS","title":"GSM Cordless Telephony System (CTS), Phase 1; CTS-Fixed Part (FP) radio subsystem","series":5,"status":"Under change control","initial_release":"Release 1998","primary_group":"R6","secondary_groups":[],"portal_id":275,"portal_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=275","dynareport_url":"https://www.3gpp.org/dynareport/0556.htm","publication_scope":null,"radio_technologies":[],"first_seen_at":"2026-09-16T11:04:47.492762+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=275","bibliography_source":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv"},"detail_synced_at":"2026-10-07T22:12:45.293942+00:00","versions":[{"release":"Release 1999","version":"8.0.1","meeting":"-","upload_date":"2000-10-17","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/05_series/05.56/0556-801.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":null},{"release":"Release 1998","version":"7.1.1","meeting":"-","upload_date":"2000-09-05","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/05_series/05.56/0556-711.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":null},{"release":"Release 1999","version":"8.0.0","meeting":"-","upload_date":"2000-02-16","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/05_series/05.56/0556-800.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":null},{"release":"Release 1998","version":"7.1.0","meeting":"-","upload_date":"1999-06-25","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/05_series/05.56/0556-710.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":17510,"version_status":null},{"release":"Release 1998","version":"7.0.0","meeting":"-","upload_date":"1999-02-12","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/05_series/05.56/0556-700.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":17509,"version_status":null}],"release_presence":[{"release":"Release 1998","first_version_date":"1999-02-12","latest_version_date":"2000-09-05","first_version":"7.0.0","latest_version":"7.1.1","version_count":3},{"release":"Release 1999","first_version_date":"2000-02-16","latest_version_date":"2000-10-17","first_version":"8.0.0","latest_version":"8.0.1","version_count":2}],"classifications":[],"work_items":[],"change_requests":[{"portal_cr_id":null,"cr_number":"0000","revision":null,"category":"F","impacted_version":"..","target_release":"R98","title":"CTS-FP Radio Sub-system","wg_tdoc":"2P99-047","wg_status":"agreed","tsg_tdoc":"P-99-166","tsg_status":"approved","new_version":"7.0.0","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"A004","revision":null,"category":"F","impacted_version":"..","target_release":"R98","title":"Environmental conditions for the CTS-FP","wg_tdoc":"2-99-206","wg_status":"agreed","tsg_tdoc":"P-99-489","tsg_status":"approved","new_version":"7.1.0","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"A005","revision":null,"category":"F","impacted_version":"..","target_release":"R98","title":"Clarification of AFA and TFH selection performance requirements","wg_tdoc":"2-98-581","wg_status":"agreed","tsg_tdoc":"P-99-489","tsg_status":"approved","new_version":"7.1.0","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"A006","revision":"1","category":"F","impacted_version":"..","target_release":"R98","title":"Modification of receiver performance for CTSARCH","wg_tdoc":"2-99-835","wg_status":"agreed","tsg_tdoc":"P-99-489","tsg_status":"approved","new_version":"7.1.0","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/05.56/relationship-evidence"}}