{"release":"Rel-15","nodes":[{"number":"02.68","type":"TS","title":"Voice Group Call Service (VGCS); Stage 1","series":2,"status":"Under change control","initial_release":"Phase 2","primary_group":"S1","portal_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=79"}],"edges":[]}