Method of and system for automatically switching between free directory assistance service and chargeable directory assistance service
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United States of America Patent
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Aug 20, 2013
Grant Date -
Oct 11, 2012
app pub date -
Jun 15, 2012
filing date -
Oct 30, 2007
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method of redirecting a directory-assistance call includes receiving a directory-assistance request from a caller, determining via a free directory-assistance service whether information corresponding to the directory-assistance request is available, responsive to a determination that the information is available, presenting, to the caller, the information free of charge to the caller and, responsive to a determination that the information is not available, redirecting the directory-assistance call to a chargeable directory-assistance service.
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