| Name | Descriptions |
|---|---|
| queued | Message has been received and queued by the Our Viber API |
| sent | Message has been sent by Viber to end-user |
| delivered | Message has been successfully delivered to end-user by Viber |
| read | Message has been read by the end-user in the Viber application |
| expired | Message has been deleted or expired in the application |
| failed | Message has failed |
