Patent ID: 8150323

Claim:
A mobile communication terminal connected to a Bluetooth headset according to a Bluetooth communication scheme which allows the input/output of voice data during playback of music data, the mobile communication terminal comprising: a music data decoding module for decoding and outputting music data; a modem for decoding and outputting incoming voice data received from a communication partner when a call is connected, the modem modulating and outputting originating voice data of a user received from the headset; a mixer for mixing the music data with the incoming voice data and outputting mixed data; a Bluetooth module connected to the headset through one of a simplexer and a duplexer; and a controller for controlling the Bluetooth module so as to connect to the headset through the simplexer when music data is output, the controller controlling the Bluetooth module to terminate the connection to the headset through the simplexer and connect to the headset through the duplexer when a call is connected while streaming music data, the controller outputting the mixed data to the headset without interruption of music data streaming through a transmission channel of the duplexer when the call is connected, the controller controlling the mixer to mix the music data and the originating voice data received through a reception channel of the duplexer so that the communication partner receives the music data as background music during user-to-partner communication, the controller controlling the modem to modulate mixture data resulting from mixing of the originating voice data and the music data, to output the mixture data to the communication partner.