{"release":"Rel-16","nodes":[{"number":"22.972","type":"TR","title":"Circuit-switched multimedia","series":22,"status":"Withdrawn before change control","initial_release":"Release 1999","primary_group":null,"portal_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=713"}],"edges":[]}