System and method for locating a cellular service
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Feb 27, 2007
Issued Date -
N/A
app pub date -
Apr 14, 2000
filing date -
Oct 22, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method for determining whether a particular service is provided by a cellular service provider comprising: listening for a page which includes a particular number plan area code ('NPA') in a first frequency block; if the page is not heard in the first frequency block within a specified time period, listening for a page in a second frequency block which includes the particular NPA; and determining that the service is provided in the frequency block in which the page is sensed.
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