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CU-SeeMe (also written as CUseeMe or CUSeeMe depending on the source) is an Internet videoconferencing client. CU-SeeMe can make point to point video calls without a server or make multi-point calls through server software first called a "reflector" and later called a "conference server" or Multipoint Control Unit (MCU). Later commercial versions of CU-SeeMe could also make point-to-point or multi-point calls to other vendor's standards-based H.323 endpoints and servers.
CU-SeeMe was originally written by Tim Dorcey of the Information Technology department at Cornell University. It was first developed for the Macintosh in 1992 and later for the Windows platform in 1994. Originally it was video-only with audio added in 1994 for the Macintosh and 1995 for Windows. CU-SeeMe's audio came from Maven, an audio-only client developed at the University of Illinois at Urbana-Champaign.
"It is Not About the Technology" tells about Global SchoolNet's Global SchoolHouse Project using the first multi-point Internet-based video conferencing to connect schools in the United States and with schools worldwide. By sending video and audio signals over the Internet using CU-SeeMe software, students were able to see and hear each other while they worked on collaborative assignments. As part of the program they interacted with special guests, such as Vice President Al Gore, the anthropologist Jane Goodall, Senator Diane Feinstein and surgeon general C Everett Koop.
On Thanksgiving morning in 1995, World News Now was the first television program to be broadcast live on the Internet, using a CU-SeeMe interface. Victor Dorff, a producer of WNN at the time, arranged to have the show simulcast on the Internet daily for a six-month trial period. CU-SeeMe was also used in a taped interview segment in which anchor Kevin Newman and Global Schoolhouse director and founder Dr. Yvonne Marie Andres discussed the future of computers in communication.
From freeware to commercial 
CU-SeeMe 2.x was released as a commercial product in 1995 through an agreement with Cornell University. The full commercial licensing rights were transferred to White Pine Software in 1998;.
A nascent market - quality perceptions and reality 
While not directly competing against hardware-assisted video-conferencing companies, it suffered in that the nascent market was expecting hardware quality audio and video when CPUs of that time weren't really ready to support that quality level in software. Early wide acceptance of CU-SeeMe outside of the hobbyist market was limited by its relatively poor audio/video quality and excessive latency. While the commercial and freeware products were useful to hobbyists, CU-SeeMe and its accompanying server product were beginning to build a following in education - with up to 40% of commercial sales from educational establishments. (A spinoff application called ClassPoint which was based on CU-SeeMe and the conference server was released commercially in 1998. It was an early attempt to add features to a real-time collaboration product specifically designed for K-20 education users.)
The United States military was a large customer of the technology, making use of the CU-SeeMe Conference Server MCU for many applications, including using the T.120 server for Microsoft NetMeeting endpoints.
White Pine locked out users of version 1.0 from using its free, public videoconferencing chatrooms. As users upgraded to the commercially available version, some were frustrated to discover that others were downloading the trial version and using software registration keys readily supplied by some participants on White Pine's public chatrooms.
Changing names and changing hands 
White Pine Software was briefly renamed CUseeMe Networks, then merged with First Virtual Communications. The commercial standalone client was decommissioned. (An independent company used a version of the embedded commercial CU-SeeMe client renamed "CU" as part of a fee-based video chat service called CUworld) The commercial client and server environment evolved further, was renamed "Click To Meet" and along with an enhanced and more scalable version of the software MCU.
On March 15, 2005, Radvision Ltd. acquired substantially all of the assets and intellectual property of First Virtual Communications (FVC), including its Click to Meet (formerly CUSeeMe) and Conference Server MCU solutions. The descendants of the CU-SeeMe technology live on in part in the Radvision Scopia product line.
There is still a small but active community of users of the original CU-SeeMe releases. Although there have been no releases of software from the various incarnations of White Pine since roughly 2000, freeware alternatives are available for both the Windows and Macintosh platform.
CU-SeeMe as part of the legacy of the early Internet 
The CU-SeeMe name and legacy remains important for a number of reasons.
- CU-SeeMe was an early, widely recognized internet computer application that almost predated the World-Wide-Web;
- CU-SeeMe foretold the wide acceptance of videotelephony in a number of markets, and was likely the first product to be referenced using the term 'video chat';.
- CU-SeeMe software on the client and server sides were one of the first platforms that proved that IP networks could be effectively used for real-time communication and collaboration The history of Videoconferencing.
See also 
- Cu-SeeMe article by Tim Dorcey in March 1995 Connexions
- History of CU-SeeMe Project
- GlobalSchoolhouse History
- InternetNews.com December 2, 1998 White Pine Takes Ownership of CU-SeeMe
- Internet TV With CU-SeeMe (by Mickey Sattler, co-authored by John Lauer)
- Comparison of Radvision Hardware MCU and CUSeeMe Networks Software MCU
- Scientist on Tap (by Yvonne Marie Andres)
- Streaks reflector scanner(not functioning )
- PMRef2.package.zip Cuseeme reflector in java
- PMRefMon.zip reflector optool in java
- PMRef_StartupItems.dmg for OSX only
- [http://hoople_ny.tripod.com/ Hoople's CU-SeeMe Help Site]
- [http://ipsix.org/source/Cyberpornographia.html Cyberpornographia cuseemeata by John Becker aka Moazogotl]
- [http://www.ilovereality.com/Yikes/links.html Yikes CU-SeeMe links]
- [http://securities.stanford.edu/1032/FVCCPK04-01/200571_r04t_04CV3585.pdf (PDF) First Virtual Securities Litigation]
- [http://ipsix.org/source/protocol_documents/ CU-SeeMe Protocol Documents]
- OpenCU An attempt to recreate the idea with today technology]