TONDIS dispatcher telephone device

General description

the dispatcher telephone device co-operates with standing telephone switch panels
with the centralized selection option a maximum of 32 extensions can join one call
every extension can be assigned to max 8 groups with a random number of participants, but not more than 32
possibility of implementing a dial transponder
incoming calls are answered by the dispatcher using a micro-telephone
the dispatcher can actively call the relevant extension
after answering the micro-telephone, the extension is automatically connected to the line and the incoming call

the device has a control unit and an extension
their construction and mechanical design and even their electronic connection are the same
the only differences are the settings of the internal DIP switches which define which device is which
another function of the DIP switches is the assigning into groups and setting of the physical calling numbers
the control unit and extension are controlled using a connected telephone device
possibility of using a wide range of power supply ranges (12, 24, 48 V)
switching of half-duplex and full-duplex modes (foot switch)