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System and Method for Locating a Mobile Subscriber Terminal When Roaming

  • US 20120196568A1
  • Filed: 01/28/2011
  • Published: 08/02/2012
  • Est. Priority Date: 01/28/2011
  • Status: Abandoned Application
First Claim
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1. A method of locating a user of a wireless communication device who has roamed out of network, comprising the steps of:

  • receiving an identifier of a mobile switching center (MSC ID) that is serving the user out of network; and

    accessing a data structure that maps MSC IDs of a plurality of serving networks to physical locations of the MSCs to determine a location corresponding to the MSC ID as the location of the user.

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