Abstract: Disclosed are a user terminal device for providing a call control and a control method therefor. A user terminal device according to the present invention comprises: a display; a first communication unit for communication with a first external device; a second communication unit for communication with a second external device; and a processor for: transmitting a call request received from the first external device to the second external device through the second communication unit; transmitting a response to the call request, which has been received from the second external device, to the first external device through the first communication unit; controlling the display to display a call user interface (UI), on the basis of the response to the call request; and when call data is received from the first external device, converting the call data into Internet protocol (IP) data and transmitting the converted IP data to the second external device through the second communication unit.

Abstract: Disclosed are a user terminal device for providing a call control and a control method therefor. A user terminal device according to the present invention comprises: a display; a first communication unit for communication with a first external device; a second communication unit for communication with a second external device; and a processor for: transmitting a call request received from the first external device to the second external device through the second communication unit; transmitting a response to the call request, which has been received from the second external device, to the first external device through the first communication unit; controlling the display to display a call user interface (UI), on the basis of the response to the call request; and when call data is received from the first external device, converting the call data into Internet protocol (IP) data and transmitting the converted IP data to the second external device through the second communication unit.