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id: 47c79906-7023-4e7f-a28c-b21e88dd3620
title: CallDetect.DetectType
slug: /dotnet/reference/calling/call-detect-type
max-toc-depth: 3
----------------

[call-detect-digit-params]: /docs/server-sdk/v2/dotnet/reference/calling/call-detect-digit-params

[call-detect-fax-params]: /docs/server-sdk/v2/dotnet/reference/calling/call-detect-fax-params

[call-detect-machine-params]: /docs/server-sdk/v2/dotnet/reference/calling/call-detect-machine-params

# SignalWire.Relay.Calling.CallDetect.DetectType

This is an enumeration that represents the possible detection types.

### Values

| Value     | Description                                                                                                  |
| --------- | ------------------------------------------------------------------------------------------------------------ |
| `digit`   | The detect parameters are [`SignalWire.Relay.Calling.CallDetect.DigitParams`][call-detect-digit-params].     |
| `fax`     | The detect parameters are [`SignalWire.Relay.Calling.CallDetect.FaxParams`][call-detect-fax-params].         |
| `machine` | The detect parameters are [`SignalWire.Relay.Calling.CallDetect.MachineParams`][call-detect-machine-params]. |