FIELD: radio engineering, communication.
SUBSTANCE: invention relates to mobile communication. A car navigation device (1) with a handsfree function establishes a Bluetooth connection with a cellular telephone (10). Upon receiving from the cellular telephone (10) outgoing call history data and incoming call history data that were stored on the cellular telephone (10) before setting up the Bluetooth connection, the car navigation device (1) stores in working memory (6) the received outgoing call history data and the received incoming call history data and displays on a screen all history data in order, beginning with the latest date and time.
EFFECT: wider range of tools.
13 cl, 31 dwg
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