Telecommunications – Radiotelephone system – Security or fraud prevention
Reexamination Certificate
2007-09-11
2007-09-11
Gesesse, Tilahun (Department: 2618)
Telecommunications
Radiotelephone system
Security or fraud prevention
C455S566000, C455S423000
Reexamination Certificate
active
11294833
ABSTRACT:
A system and method capture data from an SS7 network and pair each invoke message with its corresponding response message. Each message is stored in a daily file as well as in a table dedicated for that particular message type. A separate file is also maintained on each MIN and holds the most current registration information for each MIN. The system and method support four different types of queries: a MIN/ESN query, an active roamer query, a switch-to-switch query, and a transaction statistics query. The MIN/ESN query provides roaming activity on a specific MIN or ESN while the active roamer query provides information on all roamers in a serving market. The switch-to-switch query reveals messaging at one switch or between two switches. The statistics query provides data to a provider on all of its subscribers roaming in foreign networks or on all phones within its own network. The system has a Graphical User Interface (GUI) for displaying information on each message in an easy and convenient manner. The details of a record are displayed in a tabular format with each tab holding data for a group of parameters.
REFERENCES:
patent: 5285494 (1994-02-01), Sprecher et al.
patent: 5309501 (1994-05-01), Kozik et al.
patent: 5839063 (1998-11-01), Lee
patent: 6064972 (2000-05-01), Jankowitz et al.
Henseler David L.
Morton John W.
Seymour Jefferey T.
Smith Thomas C.
Visser Gregory S.
AT&T BLS Intellectual Property Inc.
Gesesse Tilahun
Thomas Kayden Horstemeyer & Risley LLP
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