Residence station of a building communication system

摘要

The home station (1) comprises a door station (16) and a controlling or processing unit (2) which is acted upon by a controlling or activation unit (3). The controlling or processing unit is controlled on the output side of an amplifier (6) which is connected to a loudspeaker (7). A microphone (8) is connected at the controlling or processing unit. The Universal serial bus (USB)socket is provided for reading the ringtones by an Internet protocol(IP)connection.