| 摘要 |
Embodiments of method for determining information associated with an unregistered usage of a mobile communication device are disclosed. In an embodiment, the method includes registering a Subscriber Identification Module (SIM) at the mobile communication device. The method further includes determining, at the mobile communication device, usage of an unregistered SIM based at least in part on pre-stored information corresponding to the registered SIM. The method also includes communicating the determined usage to an operator subsystem and determining, at the operator subsystem, based on the communication, user information associated with the registered SIM and the unregistered SIM.
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