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# CTError

A type representing a Core Telephony error.

```
struct CTError
```

## Topics

### Getting Error Properties

[`domain`](/documentation/CoreTelephony/CTError/domain)

A numeric indication of the error domain.

[`error`](/documentation/CoreTelephony/CTError/error)

A code indicating the specific error.

### Identifying Error Domains

[Error Domains](/documentation/CoreTelephony/error-domain-codes)

Error domains used by Core Telephony errors.


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