---
title: "Start Conference Room"
slug: "start-conference-room"
tags: ["Twilio", "Telephony"]
updated: 2025-08-27T20:57:31Z
published: 2025-08-27T20:57:31Z
canonical: "documentation.decisions.com/start-conference-room"
---

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

# Start Conference Room

| Step Details |
| --- |
| **Introduced in Version** | 4.0.0 |
| **Last Modified in Version** | 8.9.0 |
| **Location** | Integration > Twilio > Phone |

The **Start Conference Room** step starts a conference room where multiple callers may be directed to. Twilio conference rooms have a maximum capacity of 250 callers. Conference rooms will not start until at least two callers have been added.

### Prerequisites

- This step requires the [Telephony Module](https://documentation.decisions.com/docs/telephony) to be [installed](https://documentation.decisions.com/docs/installing-modules-decisions) before it will be available in the toolbox.
- **For v9 users:** Add a [Project Dependency](https://documentation.decisions.com/docs/project-dependencies) once the Telephony Module is installed.

---

## Properties

#### Call Output

| Property | Description | Data Type |
| --- | --- | --- |
| Prompt 1 | Options are RecordingURL, RecordingDocument, Text, or None. Each selection will have a separate set of inputs. The value of Prompt 1 is read first. | --- |
| Prompt 2 | Options are RecordingURL, RecordingDocument, Text, or None. Each selection will have a separate set of inputs. The value of Prompt 2 is read if a response is invalid. | --- |
| Prompt 3 | Options are RecordingURL, RecordingDocument, Text, or None. Each selection will have a separate set of inputs. The value of Prompt 3 is read after Prompt 1 (or Prompt 2) is read. | --- |

#### Conference

| Property | Description | Data Type |
| --- | --- | --- |
| Participant Role | Options are Listener, Speaker, Moderator. | --- |
| Beep on Enter | If selected, Twilio's beep sound will play to the conference room participants when a user enters the conference room. | Boolean |
| Override Wait Prompt | If selected, the Twilio user may specify what plays what a user hears while waiting in the conference room. If left unselected, Twilio's default wait music playlist will play. | Boolean |
| Wait Prompt Type | The options are Default, Url, DocumentID, or None. |  |
|  | Default | Twilio's default wait music playlist. |  |
|  | Url | The URL to the desired wait music or wait sound. |  |
|  | DocumentID | The ID of the desired document to be read during the wait. |  |
|  | None | This option allows for no music or audio to be played during the wait. |  |

#### Voice Options

| Property | Description | Data Type |
| --- | --- | --- |
| Voice Type | Alice, Man, Woman, and Amazon Polly are available voice options. Voice Options are only visible when a prompt is selected as Text. | --- |

#### Inputs

| Property | Description | Data Type |
| --- | --- | --- |
| Conference Room Name | A specified name for the conference room. Twilio warns against using any sort of personal information as a conference room name for compliance reasons. | String |
| Prompt Advanced Configuration | Allows the user to pass in a Name and a Value. This input is Not Required. | List of TelephonyAdvanced ConfigurationItem |
| Prompt Recording URL | Plays an audio file from the supplied URL. This input will only be available using the RecordingURL Prompt from Call Output. | String |
| Prompt Document ID | Plays an audio file from the supplied Decisions Document ID. This input will only be available using the RecordingDocument Prompt from Call Output. | String |
| Prompt Text | Uses an automated voice to read the entered text. This input will only be available using the Text Prompt from Call Output. | String |

#### Outputs

| Property | Description | Data Type |
| --- | --- | --- |
| Call End | Details about the call, including call duration, caller information, and receiver information. | CallEnd |
| No Response | Details about the call if there was no response, including call duration, caller information, and the number that was called. | NoResponse |

![](https://cdn.document360.io/6ef8bcc1-6489-4486-9ad1-83acff7e5df0/Images/Documentation/image-1751386279651.png)![](https://cdn.document360.io/6ef8bcc1-6489-4486-9ad1-83acff7e5df0/Images/Documentation/image-1751386373865.png)![](https://cdn.document360.io/6ef8bcc1-6489-4486-9ad1-83acff7e5df0/Images/Documentation/image-1751386462819.png)

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