{"release":"Rel-18","nodes":[{"number":"22.01U","type":"TS","title":"Universal Mobile Telecommunications System (UMTS): Service aspects; Service principles","series":22,"status":"Withdrawn under change control","initial_release":"UMTS","primary_group":"S1","portal_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2824"}],"edges":[]}