An electronic device includes a flexible display, a communication circuit, at least one sensor, a processor and a memory storing instructions which, when executed by the processor, cause the electronic device to receive a call from an external electronic device through the communication circuit, connect the call to the external electronic device based on a state of the electronic device, recognize a folded state of the flexible display by using the at least one sensor while the call is connected, and change a setting associated with the call based on the recognized folded state of the flexible display.