Information security – Prevention of unauthorized use of data including prevention... – Access control
Reexamination Certificate
2006-08-29
2006-08-29
Louis-Jacques, Jacques H. (Department: 2134)
Information security
Prevention of unauthorized use of data including prevention...
Access control
C713S154000, C709S206000
Reexamination Certificate
active
07100208
ABSTRACT:
Unwanted electronic messages can be avoided by screening them before they enter a receiving client. Only messages from authorized sending parties are passed to the receiving client while messages from sending parties not previously authorized are discarded or returned. The same arrangement can be used with cellular and conventional telephones, facsimile machines, and other devices.
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Louis-Jacques Jacques H.
Siemens Communications Inc.
Simitoski Michael J.
LandOfFree
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