## Checks whether the client is connected and registered with the SIP server.

## Signature

```
const connected = client.isConnected();
```

## Parameters

None.

## Returns

`boolean` — `true` if the client is connected and registered, `false` otherwise.

## Example

```
if (client.isConnected()) {
  console.log('Client is ready to make calls');
  await client.startCall();
} else {
  console.log('Client is not connected');
  await client.connect();
}
```

## More Information

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

Last modified on April 21, 2026