Mci Communications Corporation

Mci, Inc.

Jens L Moller

Terrill J Curtis

Matthew L Galetti

Trung Mai

A fraud detection system is disclosed for telephone PBX calls. The system includes a fraud data server for buffering the call detail records relating to inbound 800 number calls and outbound international calls. A threshold manager is connected at its input to an output of the fraud data server for detecting numerical counts exceeding preselected threshold values, in predetermined fields of the call detail records, and generates an alarm. The output of the threshold manager is connected to an input of the fraud data server for buffering the alarm incident to respective call detail records. A computer workstation is connected to the fraud data server for receiving packets of call detail records relating to alarm data, in a filtered preselected format. The workstation includes a monitor for displaying the alarm data on a graphical interface.

Telephone fraud detection system

Telephone fraud is monitored by effectively interfacing workstations with a fraud data server. Multiple customers may have their respective workstations coupled to the data server with attendant limited access to ensure security. A workstation manager and alarm manager cooperate with a management system database to process login and alarm detail requests from the various workstations. The managers are coupled to a single shared memory. The interface between the workstations and the fraud data server is by means of a message-based interface which standardizes the various functions of the workstation.

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Colorado Springs, CO, United States of America

Jens L Moller