---
title: CXErrorCodeIncomingCallError.Code.unknown
framework: callkit
role: symbol
role_heading: Case
path: callkit/cxerrorcodeincomingcallerror-swift.struct/code/unknown
---

# CXErrorCodeIncomingCallError.Code.unknown

An unknown error occurred.

## Declaration

```swift
case unknown
```

## See Also

### Errors

- [CXErrorCodeIncomingCallError.Code.unentitled](callkit/cxerrorcodeincomingcallerror-swift.struct/code/unentitled.md)
- [CXErrorCodeIncomingCallError.Code.callUUIDAlreadyExists](callkit/cxerrorcodeincomingcallerror-swift.struct/code/calluuidalreadyexists.md)
- [CXErrorCodeIncomingCallError.Code.filteredByDoNotDisturb](callkit/cxerrorcodeincomingcallerror-swift.struct/code/filteredbydonotdisturb.md)
- [CXErrorCodeIncomingCallError.Code.filteredByBlockList](callkit/cxerrorcodeincomingcallerror-swift.struct/code/filteredbyblocklist.md)