Tolong jelaskan mengenai Videotelefoni

Videotelefoni terdiri dari teknologi untuk penerimaan dan transmisi sinyal audiovideo oleh pengguna di lokasi yang berbeda, untuk komunikasi antara orang-orang secara waktu nyata.

Pada teknologi videotelefoni juga termasuk ponsel gambar yang akan bertukar gambar diam antara unit setiap beberapa detik melalui saluran telepon POTS-tipe konvensional, pada dasarnya sama dengan TV scan sistem lambat.

Saat ini penggunaan videotelefoni telah membuat terobosan signifikan dalam pemerintahan, kesehatan, pendidikan dan media berita.

Daly, Edward A. & Hansell, Kathleen J. Visual Telephony, Artech House, Boston, 1999, ISBN 1-58053-023-0, ISBN 978-1-58053-023-1, CIPD HD9697.T452D35 651.7'3-dc21.

Nellist, John G. Understanding Telecommunications And Lightwave Systems: An Entry-Level Guide, John Wiley and Sons, IEEE Press, 2002, ISBN 0-471-15032-0, ISBN 978-0-471-15032-9.

Schnaars, Steve & Wymbs, Cliff. On The Persistence Of Lackluster Demand–The History Of The Video Telephone , Technological Forecasting and Social Change, March 2004, Vol. 71, Iss. 3, pp. 197–216. . Viewable via ScienceDirect.com (subscription).

Shepard, Steven. Videoconferencing Demystified: Making Video Services Work, McGraw-Hill Professional, 2002, ISBN 0-07-140085-0, ISBN 978-0-07-140085-5

Stevenson Bacon, W. Amazing New Picturephone: A Step Closer to In-Person Visits, Popular Science, June 1968, pp. 46–47.

Valinder, Anne. Like a window in your living room: Video-mediated communication for extended families separated by space, University of Gothenburg: Department of Applied Information Technology, pp. 6–18, October 5, 2012. Web. January 23, 2013 (PDF).

Wilcox, James R. & Gibson, David K. Video Communications: The Whole Picture, Focal Press, CMP Books, San Francisco, 2005, ISBN 1-57820-316-3, ISBN 978-1-57820-316-1.

Adeshina, Emmanuel. In-Person Visits Fade as Jails Set Up Video Units for Inmates and Families, The New York Times website, August 7, 2012, pg. A15 of the New York Edition.

Bajaj, Vikas. Transparent Government, Via Webcams in India, The New York Times, July 18, 2011, pg.B3. Published online: July 17, 2011.

Davis, Andrew W.; Weinstein, Ira M. The Business Case for Videoconferencing, Wainhouse Research, March 2005.

Hoffman, Jan. When Your Therapist Is Only a Click Away, The New York Times, September 25, 2011, pg. ST1. Also published September 23, 2011 online at www.nytimes.com.

Perlroth, Nicole. Cameras May Open Up the Board Room to Hackers, The New York Times online, January 22, 2012. A version of this article appeared in print on January 23, 2012, on page B1 of the New York edition with the headline: "Conferences Via the Net Called Risky".

ProAV Magazine. Being There, ProAV Magazine, November 7, 2008.

Saint Louis, Catherine. With Enough Bandwidth, Many Join The Band, The New York Times, January 10, 2012 (online), January 11, 2012 (in print, New York Edition, pg. A1). Retrieved online January 11, 2012. Synopsis: a look at the pros and cons of videotelephony used for private, individual, music lessons.

Steinberg, Neil. Dude, Where's My Video Phone?, Forbes.com website, October 15, 2007

Biello, David. Can Videoconferencing Replace Travel?, Scientific American, March 18, 2009.

Coroama, V.C., et al. Effects of Internet-Based Multiple-Site Conferences on Greenhouse Gas Emissions , Telematics and Informatics, 2011, doi:10.1016/j.tele.2011.11.006

Pachner, Joanna. The Next Best Thing to Being There, Toronto: The Globe and Mail, October 13, 2009.