System and method for managing secure registration of a...

Details System and method for managing secure registration of a... System and method for managing secure registration of a...

2011-04-05

2011-04-05

Doan, Phuoc (Department: 2617)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S410000, C713S182000

Reexamination Certificate

active

07920865

ABSTRACT:
In one embodiment, a method is provided for managing secure registration of a mobile communications device, the method comprising registering, at a network node, the mobile communications device using a first registration process, the first registration process requiring an authentication key associated with the mobile communications device; processing a request from the mobile communications device, the request including an indication that the mobile communications device is changing to a second registration process; and clearing the authentication key associated with the mobile communications device upon expiration of a time window.

REFERENCES:
patent: 2002/0186845 (2002-12-01), Dutta et al.
patent: 2009/0007234 (2009-01-01), Birger et al.

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