Calling number verification service
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 23, 1994
Grant Date -
N/A
app pub date -
Feb 5, 1992
filing date -
Feb 5, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A system which uses Automatic Number Identification (ANI) equipment and techniques and/or Caller ID equipment and techniques to provide a means for telecommunicators to verify if identifying information such as their telephone number or the location they are calling from is being passed to receiving parties and/or if their call blocking or rerouting methods to prevent this from happening are effective.
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Family
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Cited Art Landscape
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