In the conference hall, such meeting facilities as the multi-media computer projector, whiteboard, platform, podium and sign plates are provided as well as mineral water and refreshment.

会议厅可提供多媒体电脑投影仪等会议仪器设施及纸笔的白板、讲台、发言席、指示牌、矿泉水服、会议茶点务；

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Shut off___ the power after you use the multi-media devices in the conference room.

使用完会议室的多媒体设备后，请关掉电源。

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H. 323 and SIP are the main signaling protocols which control multi-media sessions in a multimedia conference system over the packet network.

在分组交换网络中，用于视频会议系统的多媒体会话信令协议主要有H。323和SIP。

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