A method of providing a remote user interface service by a remote user interface server device, the method comprising: receiving a message from a message transmitting device; transmitting an event message, which includes a URL for accessing a first user interface resource which provides a user interface which notifies the receipt of the message, to a remote user interface client device; requesting, by the user interface client device, the first resource using the URL; transmitting the first user interface resource to the remote user interface client device in response to the request from the remote user interface client device; receiving a message control command for controlling the message from the remote user interface client device; and executing control functions related to the message, characterized in that the method further comprises: the message is destined for the remote user interface server device, the user interface used for displaying the message destined for the remote user interface server device on the remote user interface client device, includes identification information regarding the message transmitting device, the remote user interface client device is connected to the remote user interface server device, transmitting a preset text to the remote user interface client device connected to the remote user interface server device; receiving response information from the remote user interface client device, the response information being related to the preset text; transmitting a response message including the preset text related to the response information, as a response to the message destined for the remote user interface server device, to the message transmitting device. receiving a message from a message transmitting device; transmitting an event message, which includes a URL for accessing a first user interface resource which provides a user interface which notifies the receipt of the message, to a remote user interface client device; requesting, by the user interface client device, the first resource using the URL; transmitting the first user interface resource to the remote user interface client device in response to the request from the remote user interface client device; receiving a message control command for controlling the message from the remote user interface client device; and executing control functions related to the message, characterized in that the method further comprises: the message is destined for the remote user interface server device, the user interface used for displaying the message destined for the remote user interface server device on the remote user interface client device, includes identification information regarding the message transmitting device, the remote user interface client device is connected to the remote user interface server device, transmitting a preset text to the remote user interface client device connected to the remote user interface server device; receiving response information from the remote user interface client device, the response information being related to the preset text; transmitting a response message including the preset text related to the response information, as a response to the message destined for the remote user interface server device, to the message transmitting device. the message is destined for the remote user interface server device, the user interface used for displaying the message destined for the remote user interface server device on the remote user interface client device, includes identification information regarding the message transmitting device, the remote user interface client device is connected to the remote user interface server device, transmitting a preset text to the remote user interface client device connected to the remote user interface server device; receiving response information from the remote user interface client device, the response information being related to the preset text; transmitting a response message including the preset text related to the response information, as a response to the message destined for the remote user interface server device, to the message transmitting device.