{"release":"Rel-18","nodes":[{"number":"04.57","type":"TS","title":"GSM Cordless Telephony System (CTS), (Phase 1) CTS CTS supervising system Layer 3 Specification","series":4,"status":"Under change control","initial_release":"Release 1998","primary_group":"C1","portal_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=219"}],"edges":[]}