telecommunication services for the deaf and hard-of-hearing National Association for the Deaf: Video Relay Service (VRS) Medical organizations employing video telecommunications American Telemedicine Association Public videoconferencing facilities FedEx Office: formerly FedEx Kinko's. Conference rooms with video conferencing. Marriott Hotels: conference rooms with video conferencing. Defunct brands and services Brands, manufacturers and other services listed here are no longer in production or no longer exist, and are listed for historical or research purposes. Defunct videophone hardware brands Tandberg: E20 of Norway, acquired by Cisco in 2009 Picturephone, world's first commercialized videophone for individual and business use, developed by AT&T and Bell Labs Cisco Umi, a home consumer version of their enterprise offerings (see above), briefly marketed in 2010-2011 Defunct videoconferencing system hardware brands HP: Halo Telepresence Solutions (United States), acquired by Polycom in 2011 IBM Person to Person, a software-only collaborative conferencing system interoperable between OS/2, Windows and AIX developed and marketed between 1991 and 1995. Tandberg: T3 Telepresence of Norway, acquired by Cisco in 2009 Defunct software brands Tandberg: Movi, acquired by Cisco in 2009 AOL Instant Messenger (AIM) ooVoo: ooVoo (only for Windows or Mac) Videotelephony descriptive names and terminology The name [videophone]is not as standardized as its earlier counterpart, the telephone, resulting in a variety of names and terms being used worldwide, and even within the same region or country. Videophones are also known as videotelephones (or video telephones) and often by an early trademarked name "Picturephone", which was the world's first commercial videophone produced in volume. The compound name "videophone" slowly entered into general use after 1950, although "video telephone" likely entered the lexicon earlier after "video" was coined in 1935. Videophone calls (also: videocalls and video chat), differ from videoconferencing in that they expect to serve individuals, not groups. However that distinction has become increasingly blurred with technology improvements such as increased bandwidth and sophisticated software clients that can allow for multiple parties on a call. In general everyday usage the term videoconferencing is now frequently used instead of videocall for point-to-point calls between two units. Both videophone calls and videoconferencing are also now commonly referred to as a video link. Webcams are popular, relatively low cost devices which can provide live video and audio streams via personal computers, and can be used with many software clients for both video calls and videoconferencing. A videoconference system is generally higher cost than a videophone and deploys greater