{"release":"Rel-5","nodes":[{"number":"01.51","type":"TR","title":"Dual mode of operation and roaming","series":1,"status":"Withdrawn before change control","initial_release":"Phase 2+","primary_group":"SMG1","portal_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=21"}],"edges":[]}