Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2011-04-26
2011-04-26
D'Agosta, Stephen M (Department: 2617)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S406000, C455S407000, C455S408000, C455S414100, C455S432100, C455S435100, C455S435200, C455S435300, C370S310100, C370S310200, C379S114030, C379S121020, C379S126000, C379S127050
Reexamination Certificate
active
07933596
ABSTRACT:
A method provides detecting a roaming operator by a mobile communications device, where the mobile communications device is associated with a home operator; receiving a data service, by the mobile communications device, provided by the roaming operator independent of the home operator; sending information, from the mobile communications device, to the roaming operator for the roaming operator to authenticate the mobile communications device with the home operator; and receiving a voice service, by the mobile communications device, provided by the roaming operator based on the authentication by the roaming operator of the mobile communications device with the home operator.
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Notification of Transmittal of the International Search Report and the Written Opinion of the International Searching Authority, or the Declaration, Jul. 28, 2008, 14 Pages.
D'Agosta Stephen M
Harrity & Harrity LLP
Sony Ericsson Mobile Communications AB
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