## Documentation Index

Fetch the complete documentation index at: [/llms.txt](https://docs.cognigy.com/llms.txt)

Use this file to discover all available pages before exploring further.

Emitted when an outgoing call is ringing (progress). This event indicates that the remote party’s phone is ringing and the call has not yet been answered.

## Category

Call

## Callback Parameters

| Parameter | Type | Description |
| --- | --- | --- |
| `session` | [`CallSession`](https://docs.cognigy.com/click-to-call/sdk/api-reference/types#callsession) | The current call session. |

## Example

```javascript
client.on('ringing', (session) => {
  console.log('Call is ringing. Session ID:', session.id);
});
```

## More Information

- [answered](https://docs.cognigy.com/click-to-call/sdk/event-reference/answered)
- [failed](https://docs.cognigy.com/click-to-call/sdk/event-reference/failed)
- [startCall](https://docs.cognigy.com/click-to-call/sdk/api-reference/start-call)
- [CallSession](https://docs.cognigy.com/click-to-call/sdk/api-reference/types#callsession)

Last modified on April 21, 2026.