Patent ID: 8606335

Claim:
An in-vehicle handsfree apparatus allowing a handsfree phone call by establishing a wireless connection with a cellular phone, the cellular phone storing incoming call history data indicating a source telephone number of an incoming call, outgoing call history data indicating a destination telephone number of an outgoing call, and phone book data in which a telephone number and a registration name corresponding to the telephone number are registered, the handsfree apparatus comprising: a transfer protocol control unit performing, when the cellular phone exists in a wireless connection area, communication using a transfer protocol for realizing transfer of the incoming call history data, the outgoing call history data, and the phone book data, wherein the incoming call history data, the outgoing call history data, and the phone book data were stored in the cellular phone prior to the wireless connection established between the handsfree apparatus and the cellular phone; a data reception unit receiving incoming call history data, outgoing call history data, and phone book data from the cellular phone via the communication using the transfer protocol; a transfer protocol disconnection unit disconnecting the connected communication using the transfer protocol after the receiving; a handsfree protocol control unit connecting automatically communication using a handsfree protocol for realizing a handsfree phone call by the cellular phone after the disconnecting; and a data storage unit storing the outgoing call history data, the incoming call history data, and the phone book data, which are received; wherein the outgoing call history data and the incoming call history data are always transmitted earlier than the phone book data from the cellular phone via the communication using the transfer protocol to enable an option of not transferring the phone book data.