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T700 User Guide.pdf - 1 PC Network Inc

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Appendix E<br />

Introduction to<br />

Videoconferencing System<br />

Table of Contents<br />

E.1 Overview<br />

• Overview ................................................................................................................ E-1<br />

• Videoconference Modes ......................................................................................... E-2<br />

• Videoconference Modes ......................................................................................... E-2<br />

Videoconferencing employs both communication technology and network technology to<br />

implement the real-time, bidirectional and interactive remote communication between<br />

separate sites. It allows persons at two sites or more sites to exchange video images,<br />

voice, documents and charts in real time, just like in the same conference room.<br />

Videoconferencing provides a new tool to improve work efficiency and decrease cost for<br />

remote communication.<br />

The basic architecture of a videoconferencing system is shown in the figure below.<br />

Figure E-1 Basic Architecture of a Videoconferencing System<br />

As shown in the figure above, the videoconferencing system consists of three parts:<br />

video conference terminal, communication mediaand Multi-point Control Unit (MCU).<br />

Video conference terminaland MCU are special videoconference devices, while the<br />

communication media can be an existing transmission network.<br />

Video conference terminal<br />

Video conference terminal converts information in the conference room into transferable<br />

codes through video/audio processing and multiplexing/demultiplexing, and then sends<br />

them to an MCU or another video conference terminal through communication media. On<br />

E-1<br />

SJ-20100910163147-003|2010-11-23(R1.1)<br />

ZTE Proprietary and Confidential

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