---
title: INStartAudioCallIntentResponseCode.failureNoValidNumber
framework: intents
role: symbol
role_heading: Case
path: intents/instartaudiocallintentresponsecode/failurenovalidnumber
---

# INStartAudioCallIntentResponseCode.failureNoValidNumber

The specified number doesn’t support audio calls.

## Declaration

```swift
case failureNoValidNumber
```

## Discussion

Discussion Use this code when the recipient’s call identifier isn’t valid for audio calls on your service.

## See Also

### Constants

- [INStartAudioCallIntentResponseCode.unspecified](intents/instartaudiocallintentresponsecode/unspecified.md)
- [INStartAudioCallIntentResponseCode.ready](intents/instartaudiocallintentresponsecode/ready.md)
- [INStartAudioCallIntentResponseCode.continueInApp](intents/instartaudiocallintentresponsecode/continueinapp.md)
- [INStartAudioCallIntentResponseCode.failure](intents/instartaudiocallintentresponsecode/failure.md)
- [INStartAudioCallIntentResponseCode.failureRequiringAppLaunch](intents/instartaudiocallintentresponsecode/failurerequiringapplaunch.md)
- [INStartAudioCallIntentResponseCode.failureAppConfigurationRequired](intents/instartaudiocallintentresponsecode/failureappconfigurationrequired.md)
- [INStartAudioCallIntentResponseCode.failureCallingServiceNotAvailable](intents/instartaudiocallintentresponsecode/failurecallingservicenotavailable.md)
- [INStartAudioCallIntentResponseCode.failureContactNotSupportedByApp](intents/instartaudiocallintentresponsecode/failurecontactnotsupportedbyapp.md)