A small range of technologies which combine a live voice link with a shared computer screen.
Computer-based technology that enables simultaneous transmission of voice, data, and graphic images across local telephone lines for instructor-learner interaction.
A system that uses computers and speaker phones to send graphic images and voice information over regular phone lines. A student can draw on a graphics tablet connected to a personal computer while explaining an idea to a teacher in another location. As the student draws and talks, the teacher sees the image on a monitor and hears the explanation on a speaker phone.