Call Progress Event Positive Feedback Negative Feedback
Positive Feedback Negative Feedback com.twilio.voice.webhook.status-callback.call.answered
Info 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.
Deprecated event type This event type has been deprecated . While you can still create new subscriptions, you should start looking for alternatives. Learn more .
Call Progress Event Answered events are compatible with Webhook and Kinesis sinks. To learn more, you can get started with the Webhook or Kinesis quickstarts and refer to the product documentation .
Examples
3 "type" : "com.twilio.voice.webhook.status-callback.call.answered" ,
4 "source" : "AB00000000000000000000000001" ,
5 "id" : "NO00000000000000000000000001" ,
6 "dataschema" : "https://events-schemas.twilio.com/Voice.WebhookEvent/2" ,
7 "datacontenttype" : "2025-10-08T07:17:02.363Z" ,
9 "sid" : "CA0000000000000000000000000000001" ,
10 "requestDateCreated" : "Sun, 24 Aug 2025 13:49:54 +0000" ,
11 "timestamp" : "2025-01-01T00:00:00.000Z" ,
12 "eventSid" : "VW0000000000000000000000000000001" ,
15 "url" : "https://mycompany.com/an-endpoint" ,
21 "contentType" : "application/xml;charset=UTF-8" ,
22 "responseBody" : "PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz48UmVzcG9uc2U+PFNheT48L1NheT48UGF1c2UgbGVuZ3RoPSIxIi8+PFJlZGlyZWN0IG1ldGhvZD0iUE9TVCI+aHR0cHM6Ly9teWNvbXBhbnkuY29tL2FuLWVuZHBvaW50PC9SZWRpcmVjdD48L1Jlc3BvbnNlPg==" ,
23 "dateCreated" : "Sun, 24 Aug 2025 13:49:54 +0000"
Versions
Info v2 only contains updates to the schema metadata. In other words, there are no new fields between v1 and v2.
string
sid (required). The unique SID identifier of the Call.
string
requestDateCreated . Date event created.
string
timestamp . Time of the event.
string
eventSid . Id of the event.
object
request . Https://www.twilio.com/docs/voice/api/call-event-resource.
string
method (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
url (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
object
parameters (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
object
response . Https://www.twilio.com/docs/voice/api/call-event-resource.
integer
responseCode (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
integer
requestDuration (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
contentType (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
responseBody (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
dateCreated (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
The full specification for version 2 is also available as a JSON schema(link takes you to an external page) .
string
sid (required). The unique SID identifier of the Call.
string
requestDateCreated . Date event created.
string
timestamp . Time of the event.
string
eventSid . Id of the event.
object
request . Https://www.twilio.com/docs/voice/api/call-event-resource.
string
method (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
url (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
object
parameters (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
object
response . Https://www.twilio.com/docs/voice/api/call-event-resource.
integer
responseCode (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
integer
requestDuration (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
contentType (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
responseBody (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
dateCreated (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
The full specification for version 1 is also available as a JSON schema(link takes you to an external page) .
Positive Feedback Negative Feedback com.twilio.voice.status-callback.call.answered
Info 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.
Call Progress Event Answered events are compatible with Webhook, Kinesis and Segment sinks. To learn more, you can get started with the Webhook , Kinesis or Segment quickstarts and refer to the product documentation .
Examples
3 "type" : "com.twilio.voice.status-callback.call.answered" ,
4 "source" : "AB00000000000000000000000001" ,
5 "id" : "NO00000000000000000000000001" ,
6 "dataschema" : "https://events-schemas.twilio.com/Voice.WebhookEvent/2" ,
7 "datacontenttype" : "2025-10-08T07:17:02.363Z" ,
9 "sid" : "CA0000000000000000000000000000001" ,
10 "requestDateCreated" : "Sun, 24 Aug 2025 13:49:54 +0000" ,
11 "timestamp" : "2025-01-01T00:00:00.000Z" ,
12 "eventSid" : "VW0000000000000000000000000000001" ,
15 "url" : "https://mycompany.com/an-endpoint" ,
21 "contentType" : "application/xml;charset=UTF-8" ,
22 "responseBody" : "PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz48UmVzcG9uc2U+PFNheT48L1NheT48UGF1c2UgbGVuZ3RoPSIxIi8+PFJlZGlyZWN0IG1ldGhvZD0iUE9TVCI+aHR0cHM6Ly9teWNvbXBhbnkuY29tL2FuLWVuZHBvaW50PC9SZWRpcmVjdD48L1Jlc3BvbnNlPg==" ,
23 "dateCreated" : "Sun, 24 Aug 2025 13:49:54 +0000"
Versions
Info v2 only contains updates to the schema metadata. In other words, there are no new fields between v1 and v2.
string
sid (required). The unique SID identifier of the Call.
string
requestDateCreated . Date event created.
string
timestamp . Time of the event.
string
eventSid . Id of the event.
object
request . Https://www.twilio.com/docs/voice/api/call-event-resource.
string
method (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
url (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
object
parameters (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
object
response . Https://www.twilio.com/docs/voice/api/call-event-resource.
integer
responseCode (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
integer
requestDuration (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
contentType (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
responseBody (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
dateCreated (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
The full specification for version 2 is also available as a JSON schema(link takes you to an external page) .
string
sid (required). The unique SID identifier of the Call.
string
requestDateCreated . Date event created.
string
timestamp . Time of the event.
string
eventSid . Id of the event.
object
request . Https://www.twilio.com/docs/voice/api/call-event-resource.
string
method (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
url (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
object
parameters (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
object
response . Https://www.twilio.com/docs/voice/api/call-event-resource.
integer
responseCode (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
integer
requestDuration (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
contentType (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
responseBody (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
dateCreated (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
The full specification for version 1 is also available as a JSON schema(link takes you to an external page) .
Positive Feedback Negative Feedback com.twilio.voice.webhook.status-callback.call.completed
Info 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.
Deprecated event type This event type has been deprecated . While you can still create new subscriptions, you should start looking for alternatives. Learn more .
Call Progress Event Completed events are compatible with Webhook and Kinesis sinks. To learn more, you can get started with the Webhook or Kinesis quickstarts and refer to the product documentation .
Examples
3 "type" : "com.twilio.voice.webhook.status-callback.call.completed" ,
4 "source" : "AB00000000000000000000000001" ,
5 "id" : "NO00000000000000000000000001" ,
6 "dataschema" : "https://events-schemas.twilio.com/Voice.WebhookEvent/2" ,
7 "datacontenttype" : "2025-10-08T07:17:02.363Z" ,
9 "sid" : "CA0000000000000000000000000000001" ,
10 "requestDateCreated" : "Sun, 24 Aug 2025 13:49:54 +0000" ,
11 "timestamp" : "2025-01-01T00:00:00.000Z" ,
12 "eventSid" : "VW0000000000000000000000000000001" ,
15 "url" : "https://mycompany.com/an-endpoint" ,
21 "contentType" : "application/xml;charset=UTF-8" ,
22 "responseBody" : "PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz48UmVzcG9uc2U+PFNheT48L1NheT48UGF1c2UgbGVuZ3RoPSIxIi8+PFJlZGlyZWN0IG1ldGhvZD0iUE9TVCI+aHR0cHM6Ly9teWNvbXBhbnkuY29tL2FuLWVuZHBvaW50PC9SZWRpcmVjdD48L1Jlc3BvbnNlPg==" ,
23 "dateCreated" : "Sun, 24 Aug 2025 13:49:54 +0000"
Versions
Info v2 only contains updates to the schema metadata. In other words, there are no new fields between v1 and v2.
string
sid (required). The unique SID identifier of the Call.
string
requestDateCreated . Date event created.
string
timestamp . Time of the event.
string
eventSid . Id of the event.
object
request . Https://www.twilio.com/docs/voice/api/call-event-resource.
string
method (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
url (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
object
parameters (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
object
response . Https://www.twilio.com/docs/voice/api/call-event-resource.
integer
responseCode (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
integer
requestDuration (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
contentType (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
responseBody (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
dateCreated (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
The full specification for version 2 is also available as a JSON schema(link takes you to an external page) .
string
sid (required). The unique SID identifier of the Call.
string
requestDateCreated . Date event created.
string
timestamp . Time of the event.
string
eventSid . Id of the event.
object
request . Https://www.twilio.com/docs/voice/api/call-event-resource.
string
method (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
url (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
object
parameters (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
object
response . Https://www.twilio.com/docs/voice/api/call-event-resource.
integer
responseCode (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
integer
requestDuration (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
contentType (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
responseBody (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
dateCreated (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
The full specification for version 1 is also available as a JSON schema(link takes you to an external page) .
Positive Feedback Negative Feedback com.twilio.voice.status-callback.call.completed
Info 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.
Call Progress Event Completed events are compatible with Webhook, Kinesis and Segment sinks. To learn more, you can get started with the Webhook , Kinesis or Segment quickstarts and refer to the product documentation .
Examples
3 "type" : "com.twilio.voice.status-callback.call.completed" ,
4 "source" : "AB00000000000000000000000001" ,
5 "id" : "NO00000000000000000000000001" ,
6 "dataschema" : "https://events-schemas.twilio.com/Voice.WebhookEvent/2" ,
7 "datacontenttype" : "2025-10-08T07:17:02.363Z" ,
9 "sid" : "CA0000000000000000000000000000001" ,
10 "requestDateCreated" : "Sun, 24 Aug 2025 13:49:54 +0000" ,
11 "timestamp" : "2025-01-01T00:00:00.000Z" ,
12 "eventSid" : "VW0000000000000000000000000000001" ,
15 "url" : "https://mycompany.com/an-endpoint" ,
21 "contentType" : "application/xml;charset=UTF-8" ,
22 "responseBody" : "PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz48UmVzcG9uc2U+PFNheT48L1NheT48UGF1c2UgbGVuZ3RoPSIxIi8+PFJlZGlyZWN0IG1ldGhvZD0iUE9TVCI+aHR0cHM6Ly9teWNvbXBhbnkuY29tL2FuLWVuZHBvaW50PC9SZWRpcmVjdD48L1Jlc3BvbnNlPg==" ,
23 "dateCreated" : "Sun, 24 Aug 2025 13:49:54 +0000"
Versions
Info v2 only contains updates to the schema metadata. In other words, there are no new fields between v1 and v2.
string
sid (required). The unique SID identifier of the Call.
string
requestDateCreated . Date event created.
string
timestamp . Time of the event.
string
eventSid . Id of the event.
object
request . Https://www.twilio.com/docs/voice/api/call-event-resource.
string
method (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
url (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
object
parameters (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
object
response . Https://www.twilio.com/docs/voice/api/call-event-resource.
integer
responseCode (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
integer
requestDuration (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
contentType (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
responseBody (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
dateCreated (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
The full specification for version 2 is also available as a JSON schema(link takes you to an external page) .
string
sid (required). The unique SID identifier of the Call.
string
requestDateCreated . Date event created.
string
timestamp . Time of the event.
string
eventSid . Id of the event.
object
request . Https://www.twilio.com/docs/voice/api/call-event-resource.
string
method (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
url (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
object
parameters (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
object
response . Https://www.twilio.com/docs/voice/api/call-event-resource.
integer
responseCode (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
integer
requestDuration (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
contentType (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
responseBody (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
dateCreated (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
The full specification for version 1 is also available as a JSON schema(link takes you to an external page) .
Positive Feedback Negative Feedback com.twilio.voice.webhook.status-callback.call.initiated
Info 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.
Deprecated event type This event type has been deprecated . While you can still create new subscriptions, you should start looking for alternatives. Learn more .
Call Progress Event Initiated events are compatible with Webhook and Kinesis sinks. To learn more, you can get started with the Webhook or Kinesis quickstarts and refer to the product documentation .
Examples
3 "type" : "com.twilio.voice.webhook.status-callback.call.initiated" ,
4 "source" : "AB00000000000000000000000001" ,
5 "id" : "NO00000000000000000000000001" ,
6 "dataschema" : "https://events-schemas.twilio.com/Voice.WebhookEvent/2" ,
7 "datacontenttype" : "2025-10-08T07:17:02.363Z" ,
9 "sid" : "CA0000000000000000000000000000001" ,
10 "requestDateCreated" : "Sun, 24 Aug 2025 13:49:54 +0000" ,
11 "timestamp" : "2025-01-01T00:00:00.000Z" ,
12 "eventSid" : "VW0000000000000000000000000000001" ,
15 "url" : "https://mycompany.com/an-endpoint" ,
21 "contentType" : "application/xml;charset=UTF-8" ,
22 "responseBody" : "PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz48UmVzcG9uc2U+PFNheT48L1NheT48UGF1c2UgbGVuZ3RoPSIxIi8+PFJlZGlyZWN0IG1ldGhvZD0iUE9TVCI+aHR0cHM6Ly9teWNvbXBhbnkuY29tL2FuLWVuZHBvaW50PC9SZWRpcmVjdD48L1Jlc3BvbnNlPg==" ,
23 "dateCreated" : "Sun, 24 Aug 2025 13:49:54 +0000"
Versions
Info v2 only contains updates to the schema metadata. In other words, there are no new fields between v1 and v2.
string
sid (required). The unique SID identifier of the Call.
string
requestDateCreated . Date event created.
string
timestamp . Time of the event.
string
eventSid . Id of the event.
object
request . Https://www.twilio.com/docs/voice/api/call-event-resource.
string
method (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
url (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
object
parameters (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
object
response . Https://www.twilio.com/docs/voice/api/call-event-resource.
integer
responseCode (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
integer
requestDuration (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
contentType (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
responseBody (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
dateCreated (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
The full specification for version 2 is also available as a JSON schema(link takes you to an external page) .
string
sid (required). The unique SID identifier of the Call.
string
requestDateCreated . Date event created.
string
timestamp . Time of the event.
string
eventSid . Id of the event.
object
request . Https://www.twilio.com/docs/voice/api/call-event-resource.
string
method (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
url (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
object
parameters (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
object
response . Https://www.twilio.com/docs/voice/api/call-event-resource.
integer
responseCode (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
integer
requestDuration (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
contentType (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
responseBody (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
dateCreated (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
The full specification for version 1 is also available as a JSON schema(link takes you to an external page) .
Positive Feedback Negative Feedback com.twilio.voice.status-callback.call.initiated
Info 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.
Call Progress Event Initiated events are compatible with Webhook, Kinesis and Segment sinks. To learn more, you can get started with the Webhook , Kinesis or Segment quickstarts and refer to the product documentation .
Examples
3 "type" : "com.twilio.voice.status-callback.call.initiated" ,
4 "source" : "AB00000000000000000000000001" ,
5 "id" : "NO00000000000000000000000001" ,
6 "dataschema" : "https://events-schemas.twilio.com/Voice.WebhookEvent/2" ,
7 "datacontenttype" : "2025-10-08T07:17:02.363Z" ,
9 "sid" : "CA0000000000000000000000000000001" ,
10 "requestDateCreated" : "Sun, 24 Aug 2025 13:49:54 +0000" ,
11 "timestamp" : "2025-01-01T00:00:00.000Z" ,
12 "eventSid" : "VW0000000000000000000000000000001" ,
15 "url" : "https://mycompany.com/an-endpoint" ,
21 "contentType" : "application/xml;charset=UTF-8" ,
22 "responseBody" : "PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz48UmVzcG9uc2U+PFNheT48L1NheT48UGF1c2UgbGVuZ3RoPSIxIi8+PFJlZGlyZWN0IG1ldGhvZD0iUE9TVCI+aHR0cHM6Ly9teWNvbXBhbnkuY29tL2FuLWVuZHBvaW50PC9SZWRpcmVjdD48L1Jlc3BvbnNlPg==" ,
23 "dateCreated" : "Sun, 24 Aug 2025 13:49:54 +0000"
Versions
Info v2 only contains updates to the schema metadata. In other words, there are no new fields between v1 and v2.
string
sid (required). The unique SID identifier of the Call.
string
requestDateCreated . Date event created.
string
timestamp . Time of the event.
string
eventSid . Id of the event.
object
request . Https://www.twilio.com/docs/voice/api/call-event-resource.
string
method (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
url (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
object
parameters (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
object
response . Https://www.twilio.com/docs/voice/api/call-event-resource.
integer
responseCode (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
integer
requestDuration (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
contentType (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
responseBody (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
dateCreated (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
The full specification for version 2 is also available as a JSON schema(link takes you to an external page) .
string
sid (required). The unique SID identifier of the Call.
string
requestDateCreated . Date event created.
string
timestamp . Time of the event.
string
eventSid . Id of the event.
object
request . Https://www.twilio.com/docs/voice/api/call-event-resource.
string
method (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
url (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
object
parameters (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
object
response . Https://www.twilio.com/docs/voice/api/call-event-resource.
integer
responseCode (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
integer
requestDuration (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
contentType (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
responseBody (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
dateCreated (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
The full specification for version 1 is also available as a JSON schema(link takes you to an external page) .
Positive Feedback Negative Feedback com.twilio.voice.webhook.status-callback.call.ringing
Info 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.
Deprecated event type This event type has been deprecated . While you can still create new subscriptions, you should start looking for alternatives. Learn more .
Call Progress Event Ringing events are compatible with Webhook and Kinesis sinks. To learn more, you can get started with the Webhook or Kinesis quickstarts and refer to the product documentation .
Examples
3 "type" : "com.twilio.voice.webhook.status-callback.call.ringing" ,
4 "source" : "AB00000000000000000000000001" ,
5 "id" : "NO00000000000000000000000001" ,
6 "dataschema" : "https://events-schemas.twilio.com/Voice.WebhookEvent/2" ,
7 "datacontenttype" : "2025-10-08T07:17:02.363Z" ,
9 "sid" : "CA0000000000000000000000000000001" ,
10 "requestDateCreated" : "Sun, 24 Aug 2025 13:49:54 +0000" ,
11 "timestamp" : "2025-01-01T00:00:00.000Z" ,
12 "eventSid" : "VW0000000000000000000000000000001" ,
15 "url" : "https://mycompany.com/an-endpoint" ,
21 "contentType" : "application/xml;charset=UTF-8" ,
22 "responseBody" : "PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz48UmVzcG9uc2U+PFNheT48L1NheT48UGF1c2UgbGVuZ3RoPSIxIi8+PFJlZGlyZWN0IG1ldGhvZD0iUE9TVCI+aHR0cHM6Ly9teWNvbXBhbnkuY29tL2FuLWVuZHBvaW50PC9SZWRpcmVjdD48L1Jlc3BvbnNlPg==" ,
23 "dateCreated" : "Sun, 24 Aug 2025 13:49:54 +0000"
Versions
Info v2 only contains updates to the schema metadata. In other words, there are no new fields between v1 and v2.
string
sid (required). The unique SID identifier of the Call.
string
requestDateCreated . Date event created.
string
timestamp . Time of the event.
string
eventSid . Id of the event.
object
request . Https://www.twilio.com/docs/voice/api/call-event-resource.
string
method (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
url (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
object
parameters (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
object
response . Https://www.twilio.com/docs/voice/api/call-event-resource.
integer
responseCode (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
integer
requestDuration (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
contentType (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
responseBody (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
dateCreated (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
The full specification for version 2 is also available as a JSON schema(link takes you to an external page) .
string
sid (required). The unique SID identifier of the Call.
string
requestDateCreated . Date event created.
string
timestamp . Time of the event.
string
eventSid . Id of the event.
object
request . Https://www.twilio.com/docs/voice/api/call-event-resource.
string
method (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
url (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
object
parameters (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
object
response . Https://www.twilio.com/docs/voice/api/call-event-resource.
integer
responseCode (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
integer
requestDuration (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
contentType (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
responseBody (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
dateCreated (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
The full specification for version 1 is also available as a JSON schema(link takes you to an external page) .
Positive Feedback Negative Feedback com.twilio.voice.status-callback.call.ringing
Info 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.
Call Progress Event Ringing events are compatible with Webhook, Kinesis and Segment sinks. To learn more, you can get started with the Webhook , Kinesis or Segment quickstarts and refer to the product documentation .
Examples
3 "type" : "com.twilio.voice.status-callback.call.ringing" ,
4 "source" : "AB00000000000000000000000001" ,
5 "id" : "NO00000000000000000000000001" ,
6 "dataschema" : "https://events-schemas.twilio.com/Voice.WebhookEvent/2" ,
7 "datacontenttype" : "2025-10-08T07:17:02.363Z" ,
9 "sid" : "CA0000000000000000000000000000001" ,
10 "requestDateCreated" : "Sun, 24 Aug 2025 13:49:54 +0000" ,
11 "timestamp" : "2025-01-01T00:00:00.000Z" ,
12 "eventSid" : "VW0000000000000000000000000000001" ,
15 "url" : "https://mycompany.com/an-endpoint" ,
21 "contentType" : "application/xml;charset=UTF-8" ,
22 "responseBody" : "PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz48UmVzcG9uc2U+PFNheT48L1NheT48UGF1c2UgbGVuZ3RoPSIxIi8+PFJlZGlyZWN0IG1ldGhvZD0iUE9TVCI+aHR0cHM6Ly9teWNvbXBhbnkuY29tL2FuLWVuZHBvaW50PC9SZWRpcmVjdD48L1Jlc3BvbnNlPg==" ,
23 "dateCreated" : "Sun, 24 Aug 2025 13:49:54 +0000"
Versions
Info v2 only contains updates to the schema metadata. In other words, there are no new fields between v1 and v2.
string
sid (required). The unique SID identifier of the Call.
string
requestDateCreated . Date event created.
string
timestamp . Time of the event.
string
eventSid . Id of the event.
object
request . Https://www.twilio.com/docs/voice/api/call-event-resource.
string
method (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
url (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
object
parameters (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
object
response . Https://www.twilio.com/docs/voice/api/call-event-resource.
integer
responseCode (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
integer
requestDuration (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
contentType (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
responseBody (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
dateCreated (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
The full specification for version 2 is also available as a JSON schema(link takes you to an external page) .
string
sid (required). The unique SID identifier of the Call.
string
requestDateCreated . Date event created.
string
timestamp . Time of the event.
string
eventSid . Id of the event.
object
request . Https://www.twilio.com/docs/voice/api/call-event-resource.
string
method (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
url (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
object
parameters (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
object
response . Https://www.twilio.com/docs/voice/api/call-event-resource.
integer
responseCode (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
integer
requestDuration (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
contentType (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
responseBody (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
string
dateCreated (required). Https://www.twilio.com/docs/voice/api/call-event-resource.
The full specification for version 1 is also available as a JSON schema(link takes you to an external page) .