An electronic device includes a communication module configured to support a first communication network and a second communication network, comprising a switch module for switching between the first communication network and the second communication network, and a processor configured to determine whether at least one of conditions for switching to a second communication network is satisfied when a request for originating an emergency call is made in a state of a setting of providing a voice service through a first communication network, cause the switch module to switch into the second communication network, and attempt to originate the emergency call when the at least one of conditions for switching to the second communication network is satisfied. Other embodiments are implemented.