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

# Make a phone call

Make a phone call to a phone number.

## Input

| Property        | Type        | Required | Description                                                      |
| --------------- | ----------- | -------- | ---------------------------------------------------------------- |
| fromNumber      | SHORT\_TEXT | Yes      | The phone number to call from.                                   |
| toNumber        | SHORT\_TEXT | Yes      | The phone number to call.                                        |
| info            | JSON        | Yes      | The information to use for the call.                             |
| objective       | LONG\_TEXT  | Yes      | The objective of the call.                                       |
| start\_sentence | LONG\_TEXT  | No       | The start sentence of the call.                                  |
| voiceId         | SHORT\_TEXT | No       | The voice ID to use for the call.                                |
| language        | SHORT\_TEXT | No       | The language to use for the call.                                |
| callId          | SHORT\_TEXT | No       | The ID of the caller.                                            |
| model           | SHORT\_TEXT | No       | The model to use for the request. Defaults to gpt-3.5-turbo-16k. |
| wsBaseUrl       | SHORT\_TEXT | No       | The base URL for the websocket.                                  |

## Voices

| Voice ID             | Accent             | Age Group   |               |
| -------------------- | ------------------ | ----------- | ------------- |
| Name                 | Service            | Accent      | Age           |
| -------------------- | ------------------ | ----------- | ------------- |
| Adrian               | 11labs-Adrian      | American    | Young         |
| Alloy                | openai-Alloy       | American    | Young         |
| Amritanshu (en-IN)   | 11labs-Amritanshu  | Indian      | Middle Aged   |
| Amy(UK)              | 11labs-Amy         | British     | Young         |
| Andrew               | 11labs-Andrew      | American    | Young         |
| Angus                | deepgram-Angus     | Irish       | Middle Aged   |
| Anna                 | 11labs-Anna        | American    | Young         |
| Anthony              | 11labs-Anthony     | British     | Middle Aged   |
| Asteria              | deepgram-Asteria   | American    | Middle Aged   |
| Athena               | deepgram-Athena    | British     | Middle Aged   |
| Billy                | 11labs-Billy       | American    | Young         |
| Bing                 | 11labs-Bing        | American    | Young         |
| Brian                | 11labs-Brian       | American    | Young         |
| Carola (de-DE)       | 11labs-Carola      | German      | Middle Aged   |
| Charlie (en-Au)      | 11labs-charlie     | Australian  | Middle Aged   |
| Chloe                | 11labs-Chloe       | American    | Young         |
| Cimo                 | 11labs-Cimo        | American    | Middle Aged   |
| Dorothy              | 11labs-Dorothy     | British     | Young         |
| Echo                 | openai-Echo        | American    | Middle Aged   |
| Emily                | 11labs-Emily       | American    | Middle Aged   |
| Emily (en-AU)        | custom-Emily       | Australian  | Middle Aged   |
| Ethan                | 11labs-Ethan       | American    | Young         |
| Evie                 | 11labs-Evie        | American    | Young         |
| Fable                | openai-Fable       | British     | Young         |
| Gilfoy               | 11labs-Gilfoy      | American    | Middle Aged   |
| Grace                | 11labs-Grace       | American    | Middle Aged   |
| Helios               | deepgram-Helios    | British     | Young         |
| Hera                 | deepgram-Hera      | American    | Old           |
| James                | 11labs-James       | American    | Old           |
| Jason                | 11labs-Jason       | American    | Young         |
| Joe                  | 11labs-Joe         | American    | Middle Aged   |
| John                 | 11labs-John        | American    | Middle Aged   |
| Julia                | 11labs-Julia       | American    | Middle Aged   |
| Kate                 | 11labs-Kate        | American    | Middle Aged   |
| Kathrine             | 11labs-Kathrine    | American    | Middle Aged   |
| Liani                | custom-Liani       | British     | Middle Aged   |
| Lily                 | 11labs-Lily        | American    | Young         |
| Lucas                | 11labs-Lucas       | American    | Middle Aged   |
| Luna                 | deepgram-Luna      | American    | Middle Aged   |
| Marissa              | 11labs-Marissa     | American    | Young         |
| Max                  | 11labs-Max         | American    | Middle Aged   |
| Mia                  | 11labs-Mia         | American    | Middle Aged   |
| Monika (en-IN)       | 11labs-Monika      | Indian      | Middle Aged   |
| Myra                 | 11labs-Myra        | American    | Young         |
| Natasha (en-IN)      | custom-Natasha     | Indian      | Middle Aged   |
| Nina                 | 11labs-Nina        | American    | Middle Aged   |
| Noah (en-AU)         | 11labs-Noah        | Australian  | Middle Aged   |
| Nova                 | openai-Nova        | American    | Old           |
| Onyx                 | openai-Onyx        | American    | Middle Aged   |
| Paola                | 11labs-Paola       | American    | Young         |
| Paul                 | 11labs-Paul        | American    | Old           |
| Perseus              | deepgram-Perseus   | American    | Middle Aged   |
| Ryan                 | 11labs-Ryan        | American    | Young         |
| Samad (en-IN)        | 11labs-Samad       | Indian      | Middle Aged   |
| Santiago (es-ES)     | 11labs-Santiago    | Spanish     | Middle Aged   |
| Shimmer              | openai-Shimmer     | American    | Old           |
| Steve                | 11labs-Steve       | American    | Old           |
| Susan                | 11labs-Susan       | American    | Middle Aged   |
| Sweetie              | custom-Sweetie     | Indian      | Young         |
| Test                 | playht-Test        |             |               |
| Varun                | deepgram-Varun     | American    | Middle Aged   |
| Zuri                 | 11labs-Zuri        | American    | Old           |

## Sample Output

```json theme={null}
{
  "transcript": "Hello, this is a test call."
}
```