| 摘要 |
The present invention discloses systems and methods for detecting that a phone is being used by a person other than a regular user of the phone, the method including the steps of: (a) comparing a dialed phone number of an outgoing call of the phone to a plurality of reference phone numbers; (b) adjusting an alert level based on whether the dialed phone number is included in the plurality of reference phone numbers; and (c) designating the phone as being used by a person other than the regular user, contingent upon the alert level reaching a predetermined threshold. In some embodiments, the step of adjusting includes adjusting the alert level based on a plurality of dialed phone numbers, wherein each dialed phone number increases the alert level based on the absence of the dialed phone number from the plurality of reference phone numbers.
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