COORDINATED CROSS MEDIA SERVICE

A coordinated cross media service is provided to offer additional information transmitted to a user terminal in a substantially simultaneous way together with additional information transmitted to a TV receiver, so that the transmitted additional information can be displayed on both TV set and user terminal, thereby improving a user's cross media experience. A TV program(102) is transmitted to a receiver(104) from a server(112) for providing an interactive service through the first communication path(107). The first additional information(200) associated with the program(102) is transmitted to the receiver(104) from the server(112). The second additional information(208) associated with the program(102) is transmitted to a terminal(110) from the server(112) through the second communication path(113) different from the first path(107). The server(112) registers the terminal(110) to receive the second additional information(208).