Gemalto Sa

Thales Dis France Sa

Daniel Mavrakis

Jean-François Kuc

François Zannin

Hervé Troadec

Daniel Chiaramello

Aurelia Bordas

Pierre Girard

Christophe Lecuyer

The invention relates to a method for authenticating to a mobile network. According to the invention, the method comprises the following steps. A device activates only a first temporary subscription identifier. The device sends to a first server the first temporary subscription identifier and first data. The first server sends to the device a first result message including an authentication failure based upon the first data. The device activates only a second temporary subscription identifier. The device sends to the first server the second temporary subscription identifier and second data. And the first server sends to the device a second result message including an authentication success based upon the associated first and second temporary subscription identifiers and the second data. The invention also relates to corresponding device and system and a server for authenticating devices to a mobile network.

Method, device and system for authenticating to a mobile network and a server for authenticating devices to a mobile network

A method for managing a subscriber device includes a first detection step in which a first device detects a first status relating to a presence of a subscriber device under a radio coverage of a home mobile network. In the first detection step, the first device intercepts a message for requesting whether the subscriber device has or has not been stolen, as request message, the request message originating from a Mobile Switching Center relating to the home mobile network and being addressed to an Equipment Identity Register relating to the home mobile network. A corresponding first device is also disclosed.

Method and device for managing a subscriber device

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Gemenos, France

Daniel Mavrakis