Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2011-03-29
2011-03-29
Ly, Nghi H (Department: 2617)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S404200, C455S457000, C455S433000, C455S411000, C455S456100
Reexamination Certificate
active
07917159
ABSTRACT:
In one embodiment, a device in an IP-based cellular wireless communication system includes a monitoring arrangement and a sender arrangement. The monitoring arrangement arranged to detect a location of a cellular phone device with respect to an area of restricted access. The location of the cellular phone device with respect to the area of restricted access is detected in part by determining when a preset period of time has elapsed. The sender is arranged to send a first message including information associated with the cellular phone device when the location of the cellular phone device with respect to the area of restricted access is detected. A method for operating the device is also disclosed.
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Private communication posted by Oyvind Kaurstad to PICLIST Mailing List on Mar. 16, 2000.
Cisco Technology Inc.
Kaplan Cindy
Ly Nghi H
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