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id: 3374bfe3-f8c8-4a68-9958-e3a44a77a3df
title: DetectResultType
slug: /dotnet/reference/calling/detect-result-type
max-toc-depth: 3
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# SignalWire.Relay.Calling.DetectResultType

This is an enumeration that represents the possible types of detection.

### Values

| Property   | Description                                 |
| :--------- | :------------------------------------------ |
| `DTMF`     | A digit detection.                          |
| `Error`    | The detection came back with an error.      |
| `Fax`      | A fax detection.                            |
| `Finished` | The detection is finished.                  |
| `Human`    | A human detection.                          |
| `Machine`  | A machine detection.                        |
| `Unknown`  | The detection type could not be determined. |