---
title: "Start Phone Call"
slug: "start-phone-call"
tags: ["Telephony", "Twilio"]
updated: 2025-08-27T20:57:36Z
published: 2025-08-27T20:57:36Z
canonical: "documentation.decisions.com/start-phone-call"
---

> ## 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 Phone Call

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

The **Start Phone Call** step starts a phone call from a specified number to a specified number.

### 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 Data

| Property | Description | Data Type |
| --- | --- | --- |
| Clean SIP Data From Numbers | Automatically checked, this option allows the user to remove the SIP credentials formatting from a number or username. If this option is unchecked, the call will be placed through the credentials on the domain. | Boolean |

#### Call Params

| Property | Description | Data Type |
| --- | --- | --- |
| Start Different Flow When Answered | If selected, a different flow will be invoked when the call is answered. | Boolean |
| Detect Answering Machine | If selected, detection if the call was sent to an answering machine will commence. This will make another pathway visible, if the answering machine is detected. | Boolean |
| Record Call Option | This allows the user to record to record the phone call or not record. The options are: DoNotRecord, RecordFromAnswer, RecordFromRinging, RecordFromAnswerDual, and RecordFromRingingDual. | --- |

#### Inputs

| Property | Description | Data Type |
| --- | --- | --- |
| From Phone Number | The phone number from which the call is being made. | String |
| Number To Dial | The phone number to which the call is being made. | String |

#### Outputs

| Property | Description | Data Type |
| --- | --- | --- |
| Call End | Details about the call, including call duration, receiver information, and Twilio account information. | CallEnd |
| Call Initiated | Details about the call, including dial time before the receiver answered and receiver information. | CallInitiated |
| 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-1751386644133.png)![](https://cdn.document360.io/6ef8bcc1-6489-4486-9ad1-83acff7e5df0/Images/Documentation/image-1751386740873.png)