Up to 99 multi apartment outdoor panels and 1000 individual panels can be connected to the concierge monitor for call making. In case of watching the video from individual and multi apartment one can connect up to 10 000 multi apartment panels and 10 million individual panels.
In this configuration, incoming calls are possible to portable devices – communicators and smartphones which have BAS-IP software and VoIP-client with support H.264 codec. Then SIP ATS is required for communication protocol SIP (possibility of taking calls is deleted). It can be, for instance, BAS-IP SIP-PBX-16 or any other SIP ATS with H.264 or G.711 codec support.