{"release":"Rel-7","nodes":[{"number":"12.15","type":"TS","title":"General Packet Radio Service (GPRS); GPRS Charging","series":12,"status":"Under change control","initial_release":"Release 1997","primary_group":"S5","portal_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=518"}],"edges":[]}