{"release":"Rel-13","nodes":[{"number":"26.979","type":"TR","title":"Mission Critical Push To Talk; Media, codecs and MBMS enhancements for Mission Critical Push to Talk over LTE","series":26,"status":"Withdrawn before change control","initial_release":"Rel-13","primary_group":"S4","portal_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2875"}],"edges":[]}