{"release":"Rel-20","nodes":[{"number":"29.177","type":"TS","title":"IP Multimedia Subsystem (IMS); Data Channel Signalling Function (DCSF) Services; Stage 3","series":29,"status":"Draft","initial_release":"Rel-20","primary_group":"C4","portal_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=5534"}],"edges":[]}