Provided is a method and system for automatically connecting a call of a Voice over Internet Protocol (VoIP) service. A method of automatically connecting the VoIP call in an electronic device implemented by a computer may include a setting a specific counterpart among counterparts capable of making the VoIP call over a network as an automatic connection target; and automatically connecting a call with the specific counterpart immediately in response to executing a program including a function of providing the VoIP call without performing a calling operation and an acceptance operation for a call between a user of the electronic device and the specific counterpart.