{"release":"Rel-20","nodes":[{"number":"24.381","type":"TS","title":"Mission Critical Push To Talk (MCPTT) group management; Protocol specification","series":24,"status":"Under change control","initial_release":"Rel-13","primary_group":"C1","portal_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2955"}],"edges":[]}