{"release":"Rel-9","nodes":[{"number":"21.04U","type":"TR","title":"Requirements for the support of data services in UMTS","series":21,"status":"Withdrawn before change control","initial_release":"UMTS","primary_group":null,"portal_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2821"}],"edges":[]}