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The routing of voice communications and multimedia sessions over the Internet or through any other IP-based network, instead of the Public-Switched Telephone Network (PSTN)
Video over IP Architecture
A combination of full duplex audio and video transmissions which allows people in two different locations to see and hear each other as if participating in a face-to-face conversation.
True/False
The first video conferencing technology was introduced to the market by Sprint
False
The first video conferencing technology was introduced to the market by AT&T
The original videoconferencing standard introduced in 1964.
ITU H.320
This new VTC standard was released in 1996; allows for IP-based VTC.
IP-based services are far better - the conference can be initiated from any PC on the network equipped with the proper equipment
Simultaneous videoconferencing among three or more remote points is possible by means of a ____________.
Generally maintained at a central location. It is a bridge that interconnects VTC calls from several sources.
Multipoint Control Unit (MCU)
Three types of Video over IP systems
This type of Video over IP system can be an add-on (hardware boards, usually) to normal PCs, transforming them into VTC devices.
This type of Video over IP system is mobile and transportable; all that is needed is an active network connection.
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