The IC 2001 Intercom Client from Commend USA converts any Windows PC to an intercom station without additional hardware. The PC monitor displays the supplier's station with numeric keypad, function keys and display. The system can be used at simple PC workplaces up to PC desktop control desks in control rooms. It is an elegant solution in combination with touch panels at entryways and access controls. The system's microphones guarantee excellent speech quality. Other intercom features include subscriber index scrolling, open barriers, building management control functions and more.