Mci Worldcom, Inc.

Anna L Harrison

Dean C Marchand

Erin C Jackman

A system and method for detecting and preventing a fraudulent telephone call in telecommunication system is provided. First, a terminating number of a first call and a originating number of a second call are received from a telecommunication network. The terminating number of the first call is compared with the originating number of the second calls which are originated within a predetermined time period from a termination of the first call. After comparison, it is determined whether the first and the second calls are fraudulent telephone call.

Growing community of inventors

Littleton, CO, United States of America

Anna L Harrison