A network device included in a local area network is controlled with an outside telephone. A telephone line 2 is directly connected to a router 3 incorporated in a local area network 7 including a computer 8. A server 5 is connected to the telephone line 2, and the telephone line 2 is also used as the...http://www.google.com/patents/US6775374?utm_source=gb-gplus-sharePatent US6775374 - Network device control system, network interconnection apparatus and network device
