Notification of a mobile unit out of coverage
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Apr 25, 2000
Grant Date -
N/A
app pub date -
Jun 17, 1997
filing date -
Jun 17, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A communication system includes a mobile unit that communicates with a platform using a cellular telephone network or a data communication network. The mobile unit informs the platform when it is out of coverage or out of service to reduce or eliminate unsuccessful attempts to communicate with the mobile unit. The communication system also supports the transmission of data using the data communication network.
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