***

id: f105bb17-20df-40c4-b4ac-dd0117448c0a
title: detect
slug: /node/reference/voice/call/detect
description: detect method for the Call class.
max-toc-depth: 3
----------------

[amd]: /docs/server-sdk/v4/node/reference/voice/call/amd

[calldetect]: /docs/server-sdk/v4/node/reference/voice/call-detect

[detectansweringmachine]: /docs/server-sdk/v4/node/reference/voice/call/detect-answering-machine

[detectdigit]: /docs/server-sdk/v4/node/reference/voice/call/detect-digit

[detectfax]: /docs/server-sdk/v4/node/reference/voice/call/detect-fax

### detect

* **detect**(`params`): `Promise`\<[`CallDetect`][calldetect]>

Generic method. Please see [amd][amd], [detecFax][detectfax], and [detectDigit][detectdigit].

#### Parameters

<ParamField path="params" type="object" required>
  Object containing the parameters for detection.
</ParamField>

<Indent>
  <ParamField path="type" type="&#x22;fax&#x22; | &#x22;machine&#x22; | &#x22;digit&#x22; | &#x22;beep&#x22;" required>
    The type of detection to perform:

    * `"digit"`: see [detectDigit][detectdigit]
    * `"fax"`: see [detectFax][detectfax]
    * `"machine"`: see [detectAnsweringMachine][detectansweringmachine]
    * `"beep"`: see [detectAnsweringMachine][detectansweringmachine]
  </ParamField>
</Indent>

#### Returns

`Promise`\<[`CallDetect`][calldetect]>

A promise that resolves to a [`CallDetect`][calldetect] object that you can use to
view the current state and results of the `detect` session.