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  2. Videotelephony - Wikipedia

    en.wikipedia.org/wiki/Videotelephony

    Video equipment is also used to do on-site sign language translation via Video Remote Interpreting (VRI). The relatively low cost and widespread availability of 3G mobile phone technology with video calling capabilities have given deaf and speech-impaired users a greater ability to communicate with the same ease as others. Some wireless ...

  3. History of videotelephony - Wikipedia

    en.wikipedia.org/wiki/History_of_videotelephony

    [67] [68] The camera phone was the same size as similar contemporary mobile phones, but sported a large camera lens and a 5 cm (2 inch) colour TFT display capable of displaying 65,000 colors, and was able to process two video frames per second. The 155 gram (5.5 oz.) camera could also take 20 photos and convey them by e-mail, with the camera ...

  4. Sound-powered telephone - Wikipedia

    en.wikipedia.org/wiki/Sound-powered_telephone

    Many different types of equipment have attempted, but have largely failed, to replace the incredibly simple sound-powered telephones on ships. Due to the rugged, reliable and power-free nature of this equipment, it remains in use on all US military vessels, commercial vessels and work boats.

  5. Cordless telephone - Wikipedia

    en.wikipedia.org/wiki/Cordless_telephone

    Analog equivalents do exist and can provide longer reach, but with potential loss of confidentiality and voice quality. The cordless phone handset connects to a wireless access point or base station that supports the same technology. Also required is a call management function and a gateway to the public switched telephone network (PSTN). This ...

  6. Satellite phone - Wikipedia

    en.wikipedia.org/wiki/Satellite_phone

    A satellite telephone, satellite phone or satphone is a type of mobile phone that connects to other phones or the telephone network by radio link through satellites orbiting the Earth instead of terrestrial cell sites, as cellphones do. Therefore, they can work in most geographic locations on the Earth's surface, as long as open sky and the ...

  7. AOL Dialer: Fix common problems - AOL Help

    help.aol.com/articles/aol-dialer-fix-common-problems

    Dialing *70 can prevent the call from completing when the phone line does not have the call waiting feature active. Leave this option unchecked if you are no longer able to connect. 3. Check or uncheck, “I have to dial this number to reach an outside line” depending on your telephone line. Normally, this should not be selected.

  8. Get Online with AOL

    getonline.aol.com/xp-vista

    If you use dial-up, you can use AOL Dialer and AOL Shield to connect to the internet over your phone line. Click here to view these dial-up products. A: AOL Desktop Gold exhibits a similar look and functionality as previous AOL Desktop software versions and comes with 24X7 live support, faster speeds and a higher level of security.

  9. Digital video - Wikipedia

    en.wikipedia.org/wiki/Digital_video

    Digital video is an electronic representation of moving visual images in the form of encoded digital data. This is in contrast to analog video, which represents moving visual images in the form of analog signals. Digital video comprises a series of digital images displayed in rapid succession, usually at 24, 25, 30, or 60 frames per second ...