Patent ID: 8774863

Claim:
A portable terminal for controlling a built-in microphone of the portable terminal, comprising: a built-in speaker configured to output an output audio signal; the built-in microphone configured to receive an input audio signal; a connector configured to connect a connection device, the connection device including an external speaker to output the output audio signal; and a controller configured to control to: receive a call, and activate the built-in microphone of the portable terminal, wherein the activating the built-in microphone of the portable terminal is based upon a determination by the portable terminal that the connection device connected to the connector does not include an external microphone, wherein the controller controls to output the output audio signal via the external speaker and to receive the input audio signal via the built-in microphone of the portable terminal, and wherein the controller controls to maintain a deactivation of the built-in microphone of the portable terminal when the call is received if the connection device connected to the connector includes the external microphone, wherein, upon receiving the call while a plurality of connection devices are connected to the portable terminal, the controller selects one connection device among the plurality of connection devices as the connection device to output the output audio signal, and wherein the controller is further configured to control to output the output audio signal via the external speaker and to receive the input audio signal via the external microphone while maintaining a deactivation of the built-in speaker and the built-in microphone based upon the determination by the portable terminal that the connection device connected to the connector includes the external microphone.