{"release":"Rel-98","nodes":[{"number":"04.53","type":"TS","title":"Inband Tandem Free Operation (TFO) of Speech Codecs; Service Description; Stage 3","series":4,"status":"Withdrawn before change control","initial_release":"Release 1998","primary_group":null,"portal_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=217"}],"edges":[]}