Patent ID: 8825028

Claim:
A caller information displaying method, comprising: upon receiving, by a cellular phone, an incoming call, updating, by the cellular phone, incoming call history data, accessing the updated incoming call history data, obtaining a latest entry in the updated incoming call history data and caller information for the latest entry in the updated incoming call history data, determining whether the cellular phone is connected to the Bluetooth device through a profile for transmitting the caller information, and connecting to the Bluetooth device through the profile for transmitting the caller information when the cellular phone is not connected to the Bluetooth device; thereafter transmitting only the caller information for the latest entry in the updated incoming call history data prior to completion of the incoming call to a Bluetooth device configured to establish a Bluetooth communication with the cellular phone; and receiving, by the Bluetooth device, the caller information transmitted from the cellular phone, and displaying the received caller information, without searching phone book data included in the cellular phone, prior to completion of the incoming call.