entryphone, entry phone, door intercom
hoonesisene sidesüsteem, mis võimaldab sissepääsu taotleda ja seesolijal välisust lukust vabastada, a telephone system at the entrance to a building that lets visitors talk to someone inside and opens the door, a type of intercom at the entrance to a building by which visitors are required to identify themselves before the door is unlocked by an internal device
