{"id":8769,"number":"43.035","type":"TS","title":"Immediate Service Termination (IST); Stage 2","series":43,"status":"Withdrawn under change control","initial_release":"Rel-4","primary_group":"S3","secondary_groups":[],"portal_id":2669,"portal_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2669","dynareport_url":"https://www.3gpp.org/dynareport/43035.htm","publication_scope":null,"radio_technologies":[],"first_seen_at":"2026-09-16T11:05:15.308464+00:00","updated_at":"2026-10-16T09:35:23.765577+00:00","raw_metadata":{"source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2669","bibliography_source":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv"},"detail_synced_at":"2026-10-08T02:47:09.328785+00:00","versions":[{"release":"Rel-4","version":"4.1.0","meeting":"SA-#15","upload_date":"2002-03-26","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/43_series/43.035/43035-410.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":11086,"version_status":null},{"release":"Rel-4","version":"4.0.0","meeting":"SA-#11","upload_date":"2001-04-10","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/43_series/43.035/43035-400.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":null}],"release_presence":[{"release":"Rel-4","first_version_date":"2001-04-10","latest_version_date":"2002-03-26","first_version":"4.0.0","latest_version":"4.1.0","version_count":2}],"classifications":[],"work_items":[{"uid":401571,"acronym":"SEC4","effective_acronym":"SEC4","title":"Rel-4 Security enhancements","responsible_groups":["N1"],"release":"Rel-4","status":"Awaiting approval","wi_level":"Feature (1st level)","type":"Work Item","first_release":"Rel-4","last_release":"Rel-4","provenance_type":"parsed","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20261012.zip","association_sources":["crdb"],"association_status":"source_tracked"},{"uid":1571,"acronym":"SEC16","effective_acronym":"SEC16","title":"Rel-6 Security enhancements","responsible_groups":["S3"],"release":"Rel-6","status":"Awaiting approval","wi_level":"Feature (1st level)","type":"Work Item","first_release":null,"last_release":null,"provenance_type":"official","source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2669","association_sources":[],"association_status":"historical_unverified"}],"change_requests":[{"portal_cr_id":null,"cr_number":"0001","revision":null,"category":"A","impacted_version":"4.0.0","target_release":"Rel-4","title":"IST implementation for non-CAMEL subscribers","wg_tdoc":"S3-020097","wg_status":"agreed","tsg_tdoc":"SP-020113","tsg_status":"approved","new_version":"4.1.0","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/43.035/relationship-evidence"}}