Telephone interface 1 user, SB, SB2 for easy connection of the intercom to the normal telephone network or a telephone system with an analog answering machine input. When a call comes in from the door station, this interface dials a programmable number. This can be the number of a switchboard or a normal telephone call. A normal analog telephone, cordless DECT telephone or a telephone system with an analog answering machine input can be connected. When an incoming call is made from the door station, the voice connection is established. The call can be accepted and it is possible to operate a door opener using a key combination. Programming via an analog telephone. The telephone interface is not compatible with the SimpleBus TOP system.
