{"release":"Rel-5","nodes":[{"number":"23.981","type":"TR","title":"Interworking aspects and migration scenarios for IPv4-based IP Multimedia Subsystem (IMS) implementations","series":23,"status":"Under change control","initial_release":"Rel-5","primary_group":"S2","portal_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=1010"}],"edges":[]}