PhoneTray is an easy to use Caller ID software. It shows and speaks the callers name and number before you answer the phone. You can set a different ringtone for each caller or type of callers - select from 20 included ringtones or use any wav file. PhoneTray logs all your incoming calls - date time name and number.PhoneTray can automatically zap telemarketers with a special number disconnected tone. The program can play Federal do-not-call warning forcing telemarketers to remove you from their calling lists - by law! PhoneTray can block calls from specific numbers or reject any other type of unwanted calls (blocked number out of area etc.) by answering and playing selected message. Several messages are included or you can use wav file of your choice.PhoneTray requires a modem with CallerID support and CallerID service from your phone company.