Method of processing a call in a mobile terminal

A method of controlling a mobile terminal, the method comprising:

• controlling, via a Windows processor, a plurality of peripheral devices of the mobile terminal;
• temporarily granting, via an arbiter control processor, a control authority for controlling predetermined peripheral devices required for an incoming call processing among the plurality of peripheral devices to a 3G modem when the Windows processor is booted up or switched into a sleep state;
• receiving, via a communication unit on the mobile terminal, the incoming call;
• managing, via the 3G modem, circuit data and the predetermined peripheral devices for the incoming call until the Windows processor is woken up and switched into an operating state or the Windows processor is booted up and normalized;
• and
• automatically returning, via an arbiter control processor, the control authority that has been granted to the 3G modem to the Windows processor when the Windows processor is woken up and switched into the operating state or the Windows processor is booted up and normalized,
• wherein a wake-up time and a booting speed of the 3G modem are faster than those of the Windows processor.