COMPUTER SYSTEMS COMPRISED OF SOFTWARE TERMINALS, HARDWARE TERMINALS AND COMPUTER NETWORKS USED TO PROVIDE VIDEOCONFERENCING SERVICES, VOICE CONFERENCING SERVICES, COMPUTER SERVICES FOR CONDUCTING ONLINE CONFERENCES, MEETINGS, DEMONSTRATION, VIRTUAL TOURS, PRESENTATIONS, JOINT FILE EDITING, AND INTERACTIVE DISCUSSIONS, SECURED FILE TRANSFER WITH OR WITHOUT DIGITAL SIGNATURE AND CERTIFICATION, TECHNICAL SUPPORT SERVICES, NAMELY, TROUBLESHOOTING OF COMPUTER NETWORKS, AND SOFTWARE AND HARDWARE V...