To provide an integrated information communication system without using
dedicated lines or the Internet, ensuring communication speed,
communication quality, communication trouble countermeasures in a unified
manner, wherein security and reliability in communication is ensured. The
system is comprised of an access control apparatus for connecting a
plurality of computer communication networks or information communication
equipment to each, and a relay device for networking the aforementioned
access control apparatus, the system having functions for performing
routing by transferring information by a unified address system, and is
configured such that the aforementioned plurality of computer
communication networks or information communication equipment can perform
communications in an interactive manner.