BI-City Tokyo is located in Nur-Sultan (Astana), the capital city of Kazakhstan. It is a high-end residential complex of BI Group – a construction holding company in the Kazakhstan real estate market. At present, three apartment buildings with public areas and more than 400 apartment units have been completed. Aiming to create modern high-end intelligent buildings and residential areas, the BI Group wanted to upgrade the existing analogue video intercom system of BI-City Tokyo.