---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/events/event-types/voice/status-callback#article
headline: Status Callback
description: List of Voice event types regarding Status Callback available in Twilio Event Streams, as well as their JSON schemas and examples.
url: https://www.twilio.com/docs/events/event-types/voice/status-callback
inLanguage: en
dateModified: 2026-10-12T19:18:47.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# Status Callback

## AMD Detected

`com.twilio.voice.status-callback.amd.detected`

> \[!NOTE]
>
> This event is only available when subscribed to in the original API request or TwiML response. In other words, your TwiML or API request must also provide a status callback URL and the events you wish to receive.

Status Callback AMD Detected events are compatible with Webhook and Kinesis sinks. To learn more, you can get started with the [Webhook](/docs/events/webhook-quickstart) or [Kinesis](/docs/events/eventstreams-quickstart) quickstarts and refer to the [product documentation](/docs/voice/api).

**Examples**

```json
{
  "specversion" : "1.0",
  "type" : "com.twilio.voice.status-callback.amd.detected",
  "source" : "AB00000000000000000000000001",
  "id" : "NO00000000000000000000000001",
  "dataschema" : "https://events-schemas.twilio.com/Voice.WebhookEvent/2",
  "datacontenttype" : "2025-10-08T07:17:02.363Z",
  "data" : {
    "sid" : "CA0000000000000000000000000000001",
    "requestDateCreated" : "Sun, 24 Aug 2025 13:49:54 +0000",
    "timestamp" : "2025-01-01T00:00:00.000Z",
    "eventSid" : "VW0000000000000000000000000000001",
    "request" : {
      "method" : "POST",
      "url" : "https://mycompany.com/an-endpoint",
      "parameters" : { }
    },
    "response" : {
      "responseCode" : 200,
      "requestDuration" : 140,
      "contentType" : "application/xml;charset=UTF-8",
      "responseBody" : "PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz48UmVzcG9uc2U+PFNheT48L1NheT48UGF1c2UgbGVuZ3RoPSIxIi8+PFJlZGlyZWN0IG1ldGhvZD0iUE9TVCI+aHR0cHM6Ly9teWNvbXBhbnkuY29tL2FuLWVuZHBvaW50PC9SZWRpcmVjdD48L1Jlc3BvbnNlPg==",
      "dateCreated" : "Sun, 24 Aug 2025 13:49:54 +0000"
    }
  }
}
```

**Versions**

* [v2 (latest)](https://events-schemas.twilio.com/Voice.WebhookEvent/2)
* [v1](https://events-schemas.twilio.com/Voice.WebhookEvent/1)

## Announcement Processed

`com.twilio.voice.status-callback.announcement.processed`

> \[!NOTE]
>
> This event is only available when subscribed to in the original API request or TwiML response. In other words, your TwiML or API request must also provide a status callback URL and the events you wish to receive.

Status Callback Announcement Processed events are compatible with Webhook and Kinesis sinks. To learn more, you can get started with the [Webhook](/docs/events/webhook-quickstart) or [Kinesis](/docs/events/eventstreams-quickstart) quickstarts and refer to the [product documentation](/docs/voice/api).

**Examples**

```json
{
  "specversion" : "1.0",
  "type" : "com.twilio.voice.status-callback.announcement.processed",
  "source" : "AB00000000000000000000000001",
  "id" : "NO00000000000000000000000001",
  "dataschema" : "https://events-schemas.twilio.com/Voice.WebhookEvent/2",
  "datacontenttype" : "2025-10-08T07:17:02.363Z",
  "data" : {
    "sid" : "CA0000000000000000000000000000001",
    "requestDateCreated" : "Sun, 24 Aug 2025 13:49:54 +0000",
    "timestamp" : "2025-01-01T00:00:00.000Z",
    "eventSid" : "VW0000000000000000000000000000001",
    "request" : {
      "method" : "POST",
      "url" : "https://mycompany.com/an-endpoint",
      "parameters" : { }
    },
    "response" : {
      "responseCode" : 200,
      "requestDuration" : 140,
      "contentType" : "application/xml;charset=UTF-8",
      "responseBody" : "PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz48UmVzcG9uc2U+PFNheT48L1NheT48UGF1c2UgbGVuZ3RoPSIxIi8+PFJlZGlyZWN0IG1ldGhvZD0iUE9TVCI+aHR0cHM6Ly9teWNvbXBhbnkuY29tL2FuLWVuZHBvaW50PC9SZWRpcmVjdD48L1Jlc3BvbnNlPg==",
      "dateCreated" : "Sun, 24 Aug 2025 13:49:54 +0000"
    }
  }
}
```

**Versions**

* [v2 (latest)](https://events-schemas.twilio.com/Voice.WebhookEvent/2)
* [v1](https://events-schemas.twilio.com/Voice.WebhookEvent/1)

## Conference Participant Updated

`com.twilio.voice.status-callback.conference.participant.updated`

> \[!NOTE]
>
> This event is only available when subscribed to in the original API request or TwiML response. In other words, your TwiML or API request must also provide a status callback URL and the events you wish to receive.

Status Callback Conference Participant Updated events are compatible with Webhook and Kinesis sinks. To learn more, you can get started with the [Webhook](/docs/events/webhook-quickstart) or [Kinesis](/docs/events/eventstreams-quickstart) quickstarts and refer to the [product documentation](/docs/voice/api).

**Examples**

```json
{
  "specversion" : "1.0",
  "type" : "com.twilio.voice.status-callback.conference.participant.updated",
  "source" : "AB00000000000000000000000001",
  "id" : "NO00000000000000000000000001",
  "dataschema" : "https://events-schemas.twilio.com/Voice.WebhookEvent/2",
  "datacontenttype" : "2025-10-08T07:17:02.363Z",
  "data" : {
    "sid" : "CA0000000000000000000000000000001",
    "requestDateCreated" : "Sun, 24 Aug 2025 13:49:54 +0000",
    "timestamp" : "2025-01-01T00:00:00.000Z",
    "eventSid" : "VW0000000000000000000000000000001",
    "request" : {
      "method" : "POST",
      "url" : "https://mycompany.com/an-endpoint",
      "parameters" : { }
    },
    "response" : {
      "responseCode" : 200,
      "requestDuration" : 140,
      "contentType" : "application/xml;charset=UTF-8",
      "responseBody" : "PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz48UmVzcG9uc2U+PFNheT48L1NheT48UGF1c2UgbGVuZ3RoPSIxIi8+PFJlZGlyZWN0IG1ldGhvZD0iUE9TVCI+aHR0cHM6Ly9teWNvbXBhbnkuY29tL2FuLWVuZHBvaW50PC9SZWRpcmVjdD48L1Jlc3BvbnNlPg==",
      "dateCreated" : "Sun, 24 Aug 2025 13:49:54 +0000"
    }
  }
}
```

**Versions**

* [v2 (latest)](https://events-schemas.twilio.com/Voice.WebhookEvent/2)
* [v1](https://events-schemas.twilio.com/Voice.WebhookEvent/1)

## Conference Updated

`com.twilio.voice.status-callback.conference.updated`

> \[!NOTE]
>
> This event is only available when subscribed to in the original API request or TwiML response. In other words, your TwiML or API request must also provide a status callback URL and the events you wish to receive.

Status Callback Conference Updated events are compatible with Webhook and Kinesis sinks. To learn more, you can get started with the [Webhook](/docs/events/webhook-quickstart) or [Kinesis](/docs/events/eventstreams-quickstart) quickstarts and refer to the [product documentation](/docs/voice/api).

**Examples**

```json
{
  "specversion" : "1.0",
  "type" : "com.twilio.voice.status-callback.conference.updated",
  "source" : "AB00000000000000000000000001",
  "id" : "NO00000000000000000000000001",
  "dataschema" : "https://events-schemas.twilio.com/Voice.WebhookEvent/2",
  "datacontenttype" : "2025-10-08T07:17:02.363Z",
  "data" : {
    "sid" : "CA0000000000000000000000000000001",
    "requestDateCreated" : "Sun, 24 Aug 2025 13:49:54 +0000",
    "timestamp" : "2025-01-01T00:00:00.000Z",
    "eventSid" : "VW0000000000000000000000000000001",
    "request" : {
      "method" : "POST",
      "url" : "https://mycompany.com/an-endpoint",
      "parameters" : { }
    },
    "response" : {
      "responseCode" : 200,
      "requestDuration" : 140,
      "contentType" : "application/xml;charset=UTF-8",
      "responseBody" : "PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz48UmVzcG9uc2U+PFNheT48L1NheT48UGF1c2UgbGVuZ3RoPSIxIi8+PFJlZGlyZWN0IG1ldGhvZD0iUE9TVCI+aHR0cHM6Ly9teWNvbXBhbnkuY29tL2FuLWVuZHBvaW50PC9SZWRpcmVjdD48L1Jlc3BvbnNlPg==",
      "dateCreated" : "Sun, 24 Aug 2025 13:49:54 +0000"
    }
  }
}
```

**Versions**

* [v2 (latest)](https://events-schemas.twilio.com/Voice.WebhookEvent/2)
* [v1](https://events-schemas.twilio.com/Voice.WebhookEvent/1)

## Gather Partial Captured

`com.twilio.voice.status-callback.gather.partial.captured`

> \[!NOTE]
>
> This event is only available when subscribed to in the original API request or TwiML response. In other words, your TwiML or API request must also provide a status callback URL and the events you wish to receive.

Status Callback Gather Partial Captured events are compatible with Webhook and Kinesis sinks. To learn more, you can get started with the [Webhook](/docs/events/webhook-quickstart) or [Kinesis](/docs/events/eventstreams-quickstart) quickstarts and refer to the [product documentation](/docs/voice/api).

**Examples**

```json
{
  "specversion" : "1.0",
  "type" : "com.twilio.voice.status-callback.gather.partial.captured",
  "source" : "AB00000000000000000000000001",
  "id" : "NO00000000000000000000000001",
  "dataschema" : "https://events-schemas.twilio.com/Voice.WebhookEvent/2",
  "datacontenttype" : "2025-10-08T07:17:02.363Z",
  "data" : {
    "sid" : "CA0000000000000000000000000000001",
    "requestDateCreated" : "Sun, 24 Aug 2025 13:49:54 +0000",
    "timestamp" : "2025-01-01T00:00:00.000Z",
    "eventSid" : "VW0000000000000000000000000000001",
    "request" : {
      "method" : "POST",
      "url" : "https://mycompany.com/an-endpoint",
      "parameters" : { }
    },
    "response" : {
      "responseCode" : 200,
      "requestDuration" : 140,
      "contentType" : "application/xml;charset=UTF-8",
      "responseBody" : "PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz48UmVzcG9uc2U+PFNheT48L1NheT48UGF1c2UgbGVuZ3RoPSIxIi8+PFJlZGlyZWN0IG1ldGhvZD0iUE9TVCI+aHR0cHM6Ly9teWNvbXBhbnkuY29tL2FuLWVuZHBvaW50PC9SZWRpcmVjdD48L1Jlc3BvbnNlPg==",
      "dateCreated" : "Sun, 24 Aug 2025 13:49:54 +0000"
    }
  }
}
```

**Versions**

* [v2 (latest)](https://events-schemas.twilio.com/Voice.WebhookEvent/2)
* [v1](https://events-schemas.twilio.com/Voice.WebhookEvent/1)

## Recording Processed

`com.twilio.voice.status-callback.recording.processed`

> \[!NOTE]
>
> This event is only available when subscribed to in the original API request or TwiML response. In other words, your TwiML or API request must also provide a status callback URL and the events you wish to receive.

Status Callback Recording Processed events are compatible with Webhook and Kinesis sinks. To learn more, you can get started with the [Webhook](/docs/events/webhook-quickstart) or [Kinesis](/docs/events/eventstreams-quickstart) quickstarts and refer to the [product documentation](/docs/voice/api).

**Examples**

```json
{
  "specversion" : "1.0",
  "type" : "com.twilio.voice.status-callback.recording.processed",
  "source" : "AB00000000000000000000000001",
  "id" : "NO00000000000000000000000001",
  "dataschema" : "https://events-schemas.twilio.com/Voice.WebhookEvent/2",
  "datacontenttype" : "2025-10-08T07:17:02.363Z",
  "data" : {
    "sid" : "CA0000000000000000000000000000001",
    "requestDateCreated" : "Sun, 24 Aug 2025 13:49:54 +0000",
    "timestamp" : "2025-01-01T00:00:00.000Z",
    "eventSid" : "VW0000000000000000000000000000001",
    "request" : {
      "method" : "POST",
      "url" : "https://mycompany.com/an-endpoint",
      "parameters" : { }
    },
    "response" : {
      "responseCode" : 200,
      "requestDuration" : 140,
      "contentType" : "application/xml;charset=UTF-8",
      "responseBody" : "PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz48UmVzcG9uc2U+PFNheT48L1NheT48UGF1c2UgbGVuZ3RoPSIxIi8+PFJlZGlyZWN0IG1ldGhvZD0iUE9TVCI+aHR0cHM6Ly9teWNvbXBhbnkuY29tL2FuLWVuZHBvaW50PC9SZWRpcmVjdD48L1Jlc3BvbnNlPg==",
      "dateCreated" : "Sun, 24 Aug 2025 13:49:54 +0000"
    }
  }
}
```

**Versions**

* [v2 (latest)](https://events-schemas.twilio.com/Voice.WebhookEvent/2)
* [v1](https://events-schemas.twilio.com/Voice.WebhookEvent/1)

## Stream Updated

`com.twilio.voice.status-callback.stream.updated`

> \[!NOTE]
>
> This event is only available when subscribed to in the original API request or TwiML response. In other words, your TwiML or API request must also provide a status callback URL and the events you wish to receive.

Status Callback Stream Updated events are compatible with Webhook and Kinesis sinks. To learn more, you can get started with the [Webhook](/docs/events/webhook-quickstart) or [Kinesis](/docs/events/eventstreams-quickstart) quickstarts and refer to the [product documentation](/docs/voice/api).

**Examples**

```json
{
  "specversion" : "1.0",
  "type" : "com.twilio.voice.status-callback.stream.updated",
  "source" : "AB00000000000000000000000001",
  "id" : "NO00000000000000000000000001",
  "dataschema" : "https://events-schemas.twilio.com/Voice.WebhookEvent/2",
  "datacontenttype" : "2025-10-08T07:17:02.363Z",
  "data" : {
    "sid" : "CA0000000000000000000000000000001",
    "requestDateCreated" : "Sun, 24 Aug 2025 13:49:54 +0000",
    "timestamp" : "2025-01-01T00:00:00.000Z",
    "eventSid" : "VW0000000000000000000000000000001",
    "request" : {
      "method" : "POST",
      "url" : "https://mycompany.com/an-endpoint",
      "parameters" : { }
    },
    "response" : {
      "responseCode" : 200,
      "requestDuration" : 140,
      "contentType" : "application/xml;charset=UTF-8",
      "responseBody" : "PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz48UmVzcG9uc2U+PFNheT48L1NheT48UGF1c2UgbGVuZ3RoPSIxIi8+PFJlZGlyZWN0IG1ldGhvZD0iUE9TVCI+aHR0cHM6Ly9teWNvbXBhbnkuY29tL2FuLWVuZHBvaW50PC9SZWRpcmVjdD48L1Jlc3BvbnNlPg==",
      "dateCreated" : "Sun, 24 Aug 2025 13:49:54 +0000"
    }
  }
}
```

**Versions**

* [v2 (latest)](https://events-schemas.twilio.com/Voice.WebhookEvent/2)
* [v1](https://events-schemas.twilio.com/Voice.WebhookEvent/1)

## Transcription Processed

`com.twilio.voice.status-callback.transcription.processed`

> \[!NOTE]
>
> This event is only available when subscribed to in the original API request or TwiML response. In other words, your TwiML or API request must also provide a status callback URL and the events you wish to receive.

Status Callback Transcription Processed events are compatible with Webhook and Kinesis sinks. To learn more, you can get started with the [Webhook](/docs/events/webhook-quickstart) or [Kinesis](/docs/events/eventstreams-quickstart) quickstarts and refer to the [product documentation](/docs/voice/api).

**Examples**

```json
{
  "specversion" : "1.0",
  "type" : "com.twilio.voice.status-callback.transcription.processed",
  "source" : "AB00000000000000000000000001",
  "id" : "NO00000000000000000000000001",
  "dataschema" : "https://events-schemas.twilio.com/Voice.WebhookEvent/2",
  "datacontenttype" : "2025-10-08T07:17:02.363Z",
  "data" : {
    "sid" : "CA0000000000000000000000000000001",
    "requestDateCreated" : "Sun, 24 Aug 2025 13:49:54 +0000",
    "timestamp" : "2025-01-01T00:00:00.000Z",
    "eventSid" : "VW0000000000000000000000000000001",
    "request" : {
      "method" : "POST",
      "url" : "https://mycompany.com/an-endpoint",
      "parameters" : { }
    },
    "response" : {
      "responseCode" : 200,
      "requestDuration" : 140,
      "contentType" : "application/xml;charset=UTF-8",
      "responseBody" : "PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz48UmVzcG9uc2U+PFNheT48L1NheT48UGF1c2UgbGVuZ3RoPSIxIi8+PFJlZGlyZWN0IG1ldGhvZD0iUE9TVCI+aHR0cHM6Ly9teWNvbXBhbnkuY29tL2FuLWVuZHBvaW50PC9SZWRpcmVjdD48L1Jlc3BvbnNlPg==",
      "dateCreated" : "Sun, 24 Aug 2025 13:49:54 +0000"
    }
  }
}
```

**Versions**

* [v2 (latest)](https://events-schemas.twilio.com/Voice.WebhookEvent/2)
* [v1](https://events-schemas.twilio.com/Voice.WebhookEvent/1)
