Telefonica Digital Limited

Glyn Povah

Neil Richard Shakespeare

Steve Devereux

Jamie Finn

A method of locating a mobile device () registered to a home telecommunications network (), the method comprising: monitoring () network transactions; identifying () a first type of network transaction () indicating that the mobile device () is connected to a component of a foreign telecommunications network; identifying () a second type of network transaction () indicating that the mobile device () has cancelled a connection to the component of the foreign telecommunications network; locating () the mobile device () on the basis of the identified first and second types of network transaction (); wherein locating () the mobile device () comprises setting the location status of the mobile device () as: within the foreign telecommunications network () if a network transaction of the first type has been identified, and; within the home telecommunications network () if a network transaction of the second type has been identified and no further network transactions of the first type have been identified.

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Slough, United Kingdom

Glyn Povah