{"release":"Rel-20","nodes":[{"number":"33.237","type":"TS","title":"Specification of Protection against Unsolicited Communication for IMS (SPUCI)","series":33,"status":"Withdrawn before change control","initial_release":"Rel-11","primary_group":"S3","portal_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2287"}],"edges":[]}