{"release":"Rel-13","nodes":[{"number":"29.128","type":"TS","title":"Mobility Management Entity (MME) and Serving GPRS Support Node (SGSN) interfaces for interworking with packet data networks and applications","series":29,"status":"Under change control","initial_release":"Rel-13","primary_group":"C4","portal_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2924"}],"edges":[]}