An image forming apparatus includes a SIP controlling section, a web screen obtaining section, a display device, a first web controlling section, and a second web controlling section. The SIP controlling section establishes a connection with another image forming apparatus on the reception side, by communicating with a SIP server. The web screen obtaining section obtains information about a web screen by making a request to a web server. The first web controlling section executes the application on the basis of the operation performed on the web screen displayed by the display device and transmits/receives image data to/from the image forming apparatus on the reception side through the connection. The second web controlling section executes the application on the basis of the operation performed on the web screen displayed by the display device and transmits/receives audio data to/from the image forming apparatus on the reception side through the connection.