Signaling gateway with multiple IMSI with multiple...

Details Signaling gateway with multiple IMSI with multiple... Signaling gateway with multiple IMSI with multiple...

2008-05-06

2008-05-06

Ly, Nghi H. (Department: 2617)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S432100, C455S435100, C455S435200, C455S436000, C455S411000, C370S331000

Reexamination Certificate

active

11440206

ABSTRACT:
A method and apparatus for mobile communication in multiple mobile communications networks. Embodiments include installing a SIM that includes at least one IMSI and at least one MSISDN in a mobile communications device. The SIM is used to receive and place calls while the user is in the user's home network and while the user is roaming in another network. In various embodiments, one of a home MSISDN and a local MSISDN is used.

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