Method and system for keeping all phone numbers active while roaming with diverse operator subscriber identity modules
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United States of America Patent
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May 8, 2012
Grant Date -
Sep 13, 2007
app pub date -
Feb 1, 2007
filing date -
Feb 14, 2003
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A system, method, and computer product are provided for facilitating mobile communication corresponding to Multiple MSISDNs associated with Multiple IMSIs of a subscriber. The system includes a Signaling Gateway (SG) coupled to a first network. The SG receives one or more association messages from a subscriber for associating a first IMSI, corresponding to the first network, with one or more other IMSIs, corresponding to one or more VPMN networks. The first and other IMSIs are associated with the subscriber using at least one SIM. The SG associates MSISDNs corresponding to the associated IMSIs. Further, the SG facilitates mobile communication corresponding to any associated IMSI and the corresponding associated MSISDN, irrespective of the IMSI being activated in the SIM.
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Family
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