> ## Documentation Index
> Fetch the complete documentation index at: https://graine.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Dtmf

> Sends outgoing DTMF signals on a call; useful for navigating IVRs or voicemail systems.

## Overview

The `dtmf` verb sends outgoing DTMF signals on a call; useful for navigating IVRs or voicemail systems.

## Example

```json theme={null}
{
  "verb": "dtmf",
  "dtmf": "0276",
  "duration": 250
}
```

## Parameters

| Parameter  | Type   | Required | Description                                                 |
| ---------- | ------ | -------- | ----------------------------------------------------------- |
| `dtmf`     | string | Yes      | A string containing a sequence of DTMF digits (0-9, \*, #). |
| `duration` | number | No       | The length of each digit, in milliseconds. Defaults to 500. |