{"release":"Rel-16","nodes":[{"number":"22.973","type":"TR","title":"IMS Multimedia Telephony service; and supplementary services","series":22,"status":"Under change control","initial_release":"Rel-7","primary_group":"S1","portal_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=714"}],"edges":[]}