{"id":4903,"number":"03.87","type":"TS","title":"User-to-user signalling (UUS); Stage 2","series":3,"status":"Under change control","initial_release":"Release 1998","primary_group":"C4","secondary_groups":[],"portal_id":182,"portal_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=182","dynareport_url":"https://www.3gpp.org/dynareport/0387.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=182","bibliography_source":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv"},"detail_synced_at":"2026-10-07T22:03:52.899649+00:00","versions":[{"release":"Release 1998","version":"7.0.2","meeting":"-","upload_date":"1999-12-17","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/03_series/03.87/0387-702.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":null},{"release":"Release 1998","version":"7.0.1","meeting":"-","upload_date":"1999-06-25","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/03_series/03.87/0387-701.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":"1999-02-12","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/03_series/03.87/0387-700.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":20199,"version_status":null}],"release_presence":[{"release":"Release 1998","first_version_date":"1999-02-12","latest_version_date":"1999-12-17","first_version":"7.0.0","latest_version":"7.0.2","version_count":3}],"classifications":[],"work_items":[],"change_requests":[{"portal_cr_id":null,"cr_number":"0000","revision":null,"category":"F","impacted_version":"..","target_release":"R98","title":"User-to-User Signalling (UUS) Supplementary Service Stage 2","wg_tdoc":null,"wg_status":"agreed","tsg_tdoc":"P-99-202","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}],"relationships":[],"relationship_release_evidence_summary":[],"relationship_release_evidence":[],"relationship_release_evidence_meta":{"total":0,"returned_count":0,"limit":100,"truncated":false,"href":"/api/specs/03.87/relationship-evidence"}}