Patent ID: 7873392
Filing Date: 2011-01-18
Classification: H04M

Abstract:
1. A handsfree device in communication with a remote communication device by short range wireless communication for establishing a handsfree call, the handsfree device comprising: a display unit for displaying a call screen having at least a terminate switch to terminate the handsfree call when the remote communication device is having the handsfree call; a call detection unit for detecting an incoming call while the remote communication device is involved in a current call; a switch display unit for displaying a selector switch in the call screen, the selector switch switching between the current call and the incoming call when the call detection unit detects the incoming call; and a call switch command transfer unit for transferring a call switch command that alternatively activates the current call and the incoming call according to an operation on the selector switch, wherein the switch display unit immediately displays the selector switch for switching back to the current call when both of two conditions are fulfilled: (a) the remote communication device had received the incoming call while involved in the current call, and (b) the remote communication device having the activated incoming call and the on-hold current call is brought into a vehicle and connected with both the activated incoming call and the on-hold current call to the handsfree device by the short range wireless communication.