Call Screener 1.7 Block unwanted telephone calls

Call Screener 1.7 Block unwanted telephone calls Call Screener is software that blocks unwanted phone calls.  It runs under Windows XP SP2, and  requires a dial-up modem that has voice and caller ID capability to be installed on your computer.   When a call is blocked, Call Screener speaks the message contained in the ZapMessage.wav file  to the caller.  An example ZapMessage.wav file is included in the kit that comes in the download. Documentation is also included in the kit.  Some dial-up modems that have worked well for me  are the Rosewill USB RNX-56USB, the Zoom 3025C, the AOpen FM56-PX, and the  Best Data 56HP92-PCT.  The Rosewill is an external modem that plugs into a USB port, and  the others are internal PCI modems.