Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2005-07-06
2008-10-14
Harper, Vincent P. (Department: 2617)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S405000, C455S432100
Reexamination Certificate
active
07437155
ABSTRACT:
A private communications system includes a base station, a switch and an interface to an external network. The base station provides a radio link between the private communications system and a subscriber unit. The subscriber unit has an associated mini-subscription providing the subscriber unit with temporary access to the private communications system. The switch is connected to the base station and provides the subscriber unit with access to the private communications system when the mini-subscription is active. The interface is connected to the switch. In operation, the mini-subscription information is automatically transmitted to the external wireless network, via the interface, when the mini-subscription is terminated.
REFERENCES:
patent: 6907242 (2005-06-01), Thakker
patent: 2006/0047633 (2006-03-01), Fontana et al.
patent: 2006/0160565 (2006-07-01), Singh et al.
patent: 2006/0199580 (2006-09-01), Zhang
patent: 2006/0223530 (2006-10-01), Bumiller
Elcenko Eric
Harper Vincent P.
Nextel Communications Inc.
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