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

# unregistered

> The unregistered event fires when the SIP client is unregistered from the server.

Emitted when the SIP client is unregistered.

## Category

Connection

## Callback Parameters

None.

## Example

```typescript theme={null}
client.on('unregistered', () => {
  console.log('SIP client unregistered');
});
```

## More Information

* [registered](https://docs-classic.cognigy.com/click-to-call/sdk/event-reference/registered.md)
* [disconnect](https://docs-classic.cognigy.com/click-to-call/sdk/api-reference/disconnect.md)


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