Also known as visual dial tone. Referring to the notion of a broadband network that is available to process a videoconference on demand. See also broadband and dial tone.
"video dial tone." YourDictionary, n.d. Web. 17 June 2018. <http://www.yourdictionary.com/video-dial-tone>.
video dial tone. (n.d.). Retrieved June 17th, 2018, from http://www.yourdictionary.com/video-dial-tone