Optional: notify the server that the user is currently busy in a call: this will automatically refuse all incoming phone calls until the current phone call is ended.
Method schema is available as of layer 65. Switch ยป
| Name | Type | Description |
|---|---|---|
| peer | InputPhoneCall | The phone call we're currently in |
| Code | Type | Description |
|---|---|---|
| 400 | CALL_ALREADY_DECLINED | The call was already declined. |
| 400 | CALL_PEER_INVALID | The provided call peer object is invalid. |