| 摘要 |
A system is provided that includes a location determination element [230] to determine a current location of a mobile device [100] of a mobile subscriber. A map database [510] stores mapping information. At least one processor [200] (a) determines navigation directions from the current location to a destination location; (b) determines whether the current location is within a predetermined familiar area; and (c) prioritizes delivery of the navigation directions to the mobile device in response to the mobile subscriber being engaged in a communication via the mobile device at a time that the navigation directions are determined. Only a first type of the navigation directions are provided when the current location is within the predetermined familiar area. At least a second type of navigation directions, different from the first type, are provided when the current location is outside of the predetermined familiar area.
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