CXErrorCodeIncomingCallError.Code.callUUIDAlreadyExists The incoming call UUID already exists. Declarationcase callUUIDAlreadyExists See AlsoErrorsCXErrorCodeIncomingCallError.Code.unknownCXErrorCodeIncomingCallError.Code.unentitledCXErrorCodeIncomingCallError.Code.filteredByDoNotDisturbCXErrorCodeIncomingCallError.Code.filteredByBlockList