In general terms, one embodiment of the method is for automatically notifying a subscriber that the subscriber has talked on a mobile terminal for a subscriber-defined amount of time. The method may have the steps of: defining an interval for at least one category of usage of a mobile terminal that is...http://www.google.de/patents/US7072638?utm_source=gb-gplus-sharePatent US7072638 - Network support for minute usage alerting
