Anybody know this system ? When someone press your unit number, it opens the door automatically and you can use the lift without key.
You DON'T need to pick-up the phone and press the button. It is automatic (автоматический) !

Some pictures :














Do you use this in Russia ?

Components can be buy anywhere on internet :
See pictures for brand and references.
KC * 5464
KJ * 8084
KJ * 8202

Это оборудование домофона Урмет
http://www.urmet.ru/

Outside of the unit. Electric box with all units from same level.
You can see that someone modify the cables connection ! ^^