{"release":"Rel-20","nodes":[{"number":"32.899","type":"TR","title":"Telecommunication management; Charging management;Study on charging aspects of 5G system architecture phase 1","series":32,"status":"Under change control","initial_release":"Rel-15","primary_group":"S5","portal_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=3170"}],"edges":[]}