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METHOD AND APPARATUS FOR SWITCHING VIRTUAL SIM SERVICE CONTRACTS WHEN ROAMING

  • US 20100311418A1
  • Filed: 06/08/2009
  • Published: 12/09/2010
  • Est. Priority Date: 06/08/2009
  • Status: Active Grant
First Claim
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1. A method for supporting a wireless communication call on a mobile device having a VSIM internal memory unit having stored therein provisioning data for a plurality of service contracts, comprising:

  • determining whether the mobile device is currently roaming;

    determining whether the mobile device is currently conducting a wireless communication call;

    identifying one of the plurality of service contracts that is supported by a home system currently available to the mobile device if the mobile device is currently roaming and not currently conducting a wireless communication call;

    retrieving provisioning data corresponding to the identified one of the plurality of service contracts; and

    establishing a communication link to the home system using the retrieved provisioning data.

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