Computer program for the purpose of peer to peer image communication, namely image - voice communication, file transfer, e-mail sending, chatting; Computer program for multi-user video conference, namely image - voice communication, chatting, file transfer; Interface card installed between PC and telephone; Telephones; Sound cards; PC cameras; audio headsets; headsets featuring microphones for recording; LAN card; Modems; Stand alone type IP phone for the purpose of voice communication; Stand...