{"release":"Rel-97","nodes":[{"number":"06.21","type":"TS","title":"Half rate speech; Substitution and muting of lost frames for half rate speech traffic channels","series":6,"status":"Under change control","initial_release":"Phase 2","primary_group":"S4","portal_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=288"}],"edges":[]}