EVX

computer hardware and computer software for local and wide area video networking for operating collaboration systems comprising video conferencing, data conferencing and directory applications, and related components including video compressor/decompressors, microphones, echo cancellers, audio speakers, telephone sets and interfaces, video cameras and monitors, video servers, video display boards, file [ scervers, ] * servers, * network switches and electronic mail transport systems for transmisson of video, audio and other data across wide area and local area computer networks