Signaling gateway with multiple IMSI with multiple MSISDN(MIMM) service in a single SIM for multiple roaming partners
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United States of America Patent
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May 6, 2008
Grant Date -
Dec 7, 2006
app pub date -
May 23, 2006
filing date -
Aug 13, 2003
priority date (Note) -
In Force
status (Latency Note)
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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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