Video conferencing in its most basic form is the transmission of image (video) and speech (audio) back and forth between two or more physically separate locations. This is accomplished through the use of cameras (to capture and send video from your local endpoint), video displays (to display video received from remote endpoints), microphones (to capture and send audio from your local endpoint), and speakers (to play audio received from remote endpoints). Although there are many factors that serve to modify or increase the complexity of this basic definition (several of which are discussed in this cookbook), it is useful to keep the concept simple in the beginning when deciding why or how you may be able to use video conferencing for yourself or your organization
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