Patent ID: 9713043
Date: 2017-07-18
CPC Classifications: H04B,H04W

Claim:
1. A method of operating a first electronic device including a controller and a display unit, the method comprising: receiving, via the controller, an identifier of a second electronic device from the second electronic device via a communication link formed by a first communication carrier; checking, via the controller, whether the second electronic device is pre-registered based on the received identifier of the second electronic device; transmitting, via the controller, when the second electronic device is not pre-registered according to a result of the checking, a first handover request message including alternative carriers to the second electronic device, wherein the alternative carriers are supported by the first electronic device and are listed by priority in the first handover request message; receiving, via the controller, a handover selection message including a second communication carrier, wherein the second communication carrier is supported by the second electronic device and is selected among the alternative carriers; forming, via the controller, a communication link with the second electronic device through the second communication carrier; storing, via the controller, the second communication carrier matching with the second electronic device; displaying, via the display unit, a second user interface providing a list including candidate applications installed in the first electronic device, wherein the candidate applications are determined depending on display size of the second electronic device; receiving, via the controller, a selection input for selecting an application among the candidate applications in the list of the displayed second user interface; executing, via the controller, the selected application to be interoperated with the second electronic device; and storing, via the controller, the selected application matching with both the second electronic device and the second communication carrier.