{"id":6883,"number":"29.004","type":"TS","title":"Interworking between the Public Land Mobile Network (PLMN) and the Circuit Switched Public Data Network (CSPDN)","series":29,"status":"Withdrawn under change control","initial_release":"Release 1999","primary_group":"N3","secondary_groups":[],"portal_id":1586,"portal_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=1586","dynareport_url":"https://www.3gpp.org/dynareport/29004.htm","publication_scope":null,"radio_technologies":[],"first_seen_at":"2026-09-16T11:04:56.184691+00:00","updated_at":"2026-10-16T09:35:06.458750+00:00","raw_metadata":{"source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=1586","bibliography_source":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv"},"detail_synced_at":"2026-10-08T00:51:57.615930+00:00","versions":[{"release":"Release 1999","version":"3.0.0","meeting":"SA-#3","upload_date":"1999-04-23","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/29_series/29.004/29004-300.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":null}],"release_presence":[{"release":"Release 1999","first_version_date":"1999-04-23","latest_version_date":"1999-04-23","first_version":"3.0.0","latest_version":"3.0.0","version_count":1}],"classifications":[],"work_items":[],"change_requests":[],"relationships":[],"relationship_release_evidence_summary":[],"relationship_release_evidence":[],"relationship_release_evidence_meta":{"total":0,"returned_count":0,"limit":100,"truncated":false,"href":"/api/specs/29.004/relationship-evidence"}}