{"id":5834,"number":"23.831","type":"TR","title":"IP Multimedia Subsystem (IMS) service continuity; Inter-UE transfer enhancements; Stage 2","series":23,"status":"Under change control","initial_release":"Rel-10","primary_group":"S2","secondary_groups":[],"portal_id":911,"portal_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=911","dynareport_url":"https://www.3gpp.org/dynareport/23831.htm","publication_scope":null,"radio_technologies":[],"first_seen_at":"2026-09-16T11:04:50.102693+00:00","updated_at":"2026-10-16T09:34:55.609033+00:00","raw_metadata":{"source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=911","bibliography_source":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv"},"detail_synced_at":"2026-10-07T23:26:28.676999+00:00","versions":[{"release":"Rel-10","version":"10.0.0","meeting":"SA#49","upload_date":"2010-09-29","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/23_series/23.831/23831-a00.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":null},{"release":"Rel-10","version":"2.0.0","meeting":"SA#49","upload_date":"2010-09-28","comment":"SP-100560","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/23_series/23.831/23831-200.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":"pre-approval"},{"release":"Rel-10","version":"1.1.0","meeting":"-","upload_date":"2010-09-13","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/23_series/23.831/23831-110.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":"pre-approval"},{"release":"Rel-10","version":"1.0.0","meeting":"SA#48","upload_date":"2010-06-14","comment":"SP-100354","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/23_series/23.831/23831-100.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":"pre-approval"},{"release":"Rel-10","version":"0.4.0","meeting":"-","upload_date":"2010-05-28","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/23_series/23.831/23831-040.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":"pre-approval"},{"release":"Rel-10","version":"0.3.0","meeting":"-","upload_date":"2010-03-09","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/23_series/23.831/23831-030.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":"pre-approval"},{"release":"Rel-10","version":"0.2.1","meeting":"-","upload_date":"2010-02-12","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/23_series/23.831/23831-021.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":"pre-approval"},{"release":"Rel-10","version":"0.2.0","meeting":"-","upload_date":"2010-02-10","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/23_series/23.831/23831-020.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":"pre-approval"},{"release":"Rel-10","version":"0.1.0","meeting":"-","upload_date":"2009-12-12","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/23_series/23.831/23831-010.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":"pre-approval"}],"release_presence":[{"release":"Rel-10","first_version_date":"2009-12-12","latest_version_date":"2010-09-29","first_version":"0.1.0","latest_version":"10.0.0","version_count":9}],"classifications":[],"work_items":[{"uid":450029,"acronym":"IMS_SC_eIDT","effective_acronym":"IMS_SC_eIDT","title":"Stage 2 - IMS Inter-UE Transfer enhancements","responsible_groups":["S2"],"release":"Rel-10","status":"PCG approved","wi_level":"Building Block (2nd level)","type":"Work Item","first_release":null,"last_release":null,"provenance_type":"official","source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=911","association_sources":[],"association_status":"historical_unverified"}],"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/23.831/relationship-evidence"}}