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2. Videotelephony - Wikipedia

   en.wikipedia.org/wiki/Videotelephony

   Videotelephony (also known as videoconferencing or video call) is the use of audio and video for simultaneous two-way communication. [1] There are many terms to refer to videotelephony. Videophones are standalone devices for video calling (compare Telephone). In the present day, devices like smartphones and computers are capable of video ...

3. History of videotelephony - Wikipedia

   en.wikipedia.org/wiki/History_of_videotelephony

   Significant improvements in video call quality of service for the deaf occurred in the United States in 2003 when Sorenson Media Inc. (formerly Sorenson Vision), a video compression software coding company, developed its VP-100 model stand-alone videophone specifically for the deaf community.

4. Skype - Wikipedia

   en.wikipedia.org/wiki/Skype

   Skype supports conference calls, video chats, and screen sharing between 25 people at a time for free, [57] which then increased to 50 on 5 April 2019. [58] Skype does not provide the ability to call emergency numbers, such as 112 in Europe, 911 in North America, 999 in the UK or 100 in India and Nepal. [59]

5. Zoom Video Communications - Wikipedia

   en.wikipedia.org/wiki/Zoom_Video_Communications

   Zoom Video Communications. Zoom Video Communications, Inc. (commonly shortened to Zoom, and stylized as zoom) is a communications technology company primarily known for the videoconferencing application Zoom. The company is headquartered in San Jose, California, United States. The company was founded in 2011 by Eric Yuan, a former Cisco ...

6. Web conferencing - Wikipedia

   en.wikipedia.org/wiki/Web_conferencing

   Web conferencing. Web conferencing is used as an umbrella term for various types of online conferencing and collaborative services including webinars (web seminars), webcasts, and web meetings. Sometimes it may be used also in the more narrow sense of the peer-level web meeting context, in an attempt to disambiguate it from the other types ...

7. List of video telecommunication services and product brands

   en.wikipedia.org/wiki/List_of_video...

   A typical low-cost webcam (a Microsoft LifeCam VX-3000) for use with many popular video-telecommunication programs (2009). This list of video telecommunication services and product brands is for groupings of notable video telecommunication services, brands of videophones, webcams and video conferencing hardware and systems, all related to videotelephony for two-way communications with live ...