The AvatorBox is a front-end for the physical hardware box that's connected to the phones. Unfortunately, the official website doesn't provide a troubleshooting or user guide. In this case, you will have to contact them if you are a customer. Use the following details:
sonork: 100.1583019, ICQ: 632055780, email: [email protected]
Additionally, you could browse the website that have information related to AvatorBox using Google Search: https://goo.gl/xcKQYo