Patent ID: 7899490
Filing Date: 2011-03-01
Classification: H04W

Abstract:
1. A dual-mode mobile terminal capable of simultaneously accessing communication systems using different types of networks, the terminal comprising: a key input unit including a key which is used for switching between a first call from a first mobile communication system and a second call from a second mobile communication system; a controller for determining, whether the second call is received from the second mobile communication system while the first call of the first mobile communication system is currently connected, notifying a user of the terminal of the reception of the second call from the second mobile communication system when it is determined that the second call has been received from the second mobile communication system, and enabling a communication environment to perform communication of the received second call while maintaining the first mobile communication channel that is currently connected when the key is pressed by the user; a first modem for the first mobile communication system; a second modem for the second mobile communication system; a first switch connected to a microphone for switching the microphone between the first and second modems; and a second switch connected to a speaker for switching the speaker between the first and second modems, wherein the controller controls the first and second switches so that the microphone and the speaker are connected to one of the first and second modems corresponding to one of the mobile communication systems.