Inventor

DEE HEATHER C

US3 patents

Patents

3 patents

US5835573ANov 10, 1998

Method and system for call screening

AT & T CORP138 citations96

US6266524B1Jul 24, 2001

Method and system for call screening

AT & T CORP17 citations90

US6115602ASep 5, 2000

Method and system for call screening

AT & T CORP13 citations80