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Retention of old mobile number on SIM card replacement

  • US 7,379,754 B2
  • Filed: 10/16/2003
  • Issued: 05/27/2008
  • Est. Priority Date: 10/17/2002
  • Status: Expired due to Term
First Claim
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1. A method for managing phone numbers attribution after replacement of a first portable object by a second portable object, the first portable object being coupled to a communication device arranged to communicate with a network, the first portable object comprising a first identification data identifying a first phone number, wherein the method comprises the following steps:

  • a first sending step, in which the communication device sends to an application server a message including a second identification data identifying a second phone number assigned to the second portable object, wherein before the first sending step, the application server sends a secure message for deleting, in the first portable object, the first identification data;

    an inserting step, in which the second portable object is inserted in the communication device, the second portable object comprising a second identification data identifying the second phone number; and

    a second sending step, in which an application server sends a message for replacing, in the second portable object, the second identification data by the first identification data attached to the first phone number.

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