Patent ID: 7257202

Claim:
A telephone communication system, for establishing communication between a first telephone terminal and a second telephone terminal, through a communication network, comprising: the first telephone terminal having functions of voice and data communication, video capturing, compression/expansion of captured video and displaying; the second telephone terminal not having at least one of the functions of capturing video, compression/expansion of captured video, and displaying video; a service center connected to the communication network, having a call agent for call control to a called telephone terminal, and for assigning an identifier to the second telephone terminal, and a media converter for converting image data and voice data; a public communication terminal connected to the service center and having a display function; wherein the service center: performs call control through the call agent between the first and second telephone terminals, communicates to the first telephone terminal in a format including video data and voice data via the media converter, sends video data to the public communication terminal relating to the second telephone terminal via the media converter, sends voice data to the second telephone terminal via the media converter, and determines the public communication terminal relating to the second telephone terminal for each communication based on the identifier assigned to the second terminal by the call agent.