Methods and apparatus to detect and block unwanted fax calls
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
May 24, 2007
app pub date -
Oct 13, 2005
filing date -
Oct 13, 2005
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Methods and apparatus are disclosed to detect and block fax calls. An example method disclosed herein detects a fax call from a calling number; blocks the fax call if the calling number is associated with a caller to be blocked identified in a database and the fax call is sent to a subscriber; and attempts to identify a presence of a war-dialing technique.
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Family
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Cited Art Landscape
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