{"release":"Rel-12","nodes":[{"number":"12.13","type":"TS","title":"Maintenance of the Mobile-services Switching Centre","series":12,"status":"Withdrawn before change control","initial_release":"Phase 1","primary_group":"S5","portal_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=516"}],"edges":[]}