{"release":"Rel-96","nodes":[{"number":"03.14","type":"TS","title":"Support of Dual Tone Multi-Frequency Signalling (DTMF) via the GSM System","series":3,"status":"Under change control","initial_release":"Phase 1","primary_group":"C1","portal_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=121"}],"edges":[]}