An electronic device according to various embodiments in the present disclosure may comprise a modem, at least one sensor, and at least one processor which is connected with the modem and the at least one sensor and configured to control: determining the distance between the electronic device and a user thereof during the execution of a call application; determining the output intensity of sound data received from another electronic device connected through the call application, as an output intensity corresponding to the determined distance; and outputting the sound data at the determined output intensity.