Device and method for providing hands-free function in mobile phone using zigbee

The present invention relates to a hands-free function provision apparatus and method of a mobile communication terminal using short-range wireless communication system of IEEE 802.15.4 protocol (ZigBee). Providing hands-free function of the mobile terminal apparatus according to the present invention, a mobile communication terminal for transmitting and receiving an audio signal via the base station; ZigBee coordinator for transmitting and receiving a call control signal for the mobile communication terminal and a predetermined display signal and the call connection, and wireless transmission and reception by modulating or demodulating the predetermined display signal, the call control signal and an audio signal by the ZigBee protocol; And characterized in that it comprises a ZigBee device for providing the predetermined display signal to the visual The ZigBee the coordinator and using the ZigBee protocol, and a wireless transmission and reception by the predetermined display signal, modulating or demodulating the call control signal and the audio signal, do. ZigBee, IEEE 802.15.4, hands-free, WPAN, MAC address, the mobile communication terminal, a hands-free