{"release":"Rel-12","nodes":[{"number":"29.007","type":"TS","title":"General requirements on interworking between the Public Land Mobile Network (PLMN) and the Integrated Services Digital Network (ISDN) or Public Switched Telephone Network (PSTN)","series":29,"status":"Under change control","initial_release":"Rel-4","primary_group":"C3","portal_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=1589"}],"edges":[]}