可视电话，大屏幕电视。
比如可视电话、会议电视等，这些被称作视像业务，也叫多媒体业务。
Things like videophone and videoconferencing are usually called video services. This type is also regarded as multimedia services.
人们可以使用可视电话、或者装备了PC的多媒体设备通过切换声音、电视图象、数据和图象到各地点进行通信。
A person communicating from the desk may use either a video telephone or PC equipped for multimedia server is used to switch the voice, video, data and image to all sites.
电气工程师尽力把电视、收音机、可视电话、传真机和复印机综合在一个单元中。
Electric engineers try to knit TV, radio, picture - tel, fax and copy machine into one unit.
摘要：介绍了一种基于数字电视网络可视电话的原理和实现方案。
Abstract: the theory and implementation of visual phone based on digital TV network is introduced in this paper.
目前，用于远程教学的视频会议主要有桌面可视电话系统和基于ISDN的可视会议系统，但基于IP会议电视系统所具有的优越性，使其在远程教学中有更广阔的应用空间。
The Video Conference can be implemented based on PSTN (Tele-video) or ISDN. However, the Video Conference based IP network has more advantages so that it can be more applied in remote education.
固定比特率网络（诸如ISDN）上的可视电话、会议电视以及其他会话型多媒体业务依据建议H.221中所描述的多路复用结构。
Videophone, videoconferencing and other conversational multimedia services on fixed bit-rate networks (such as ISDN) depend on the multiplex structure described in Recommendation H. 221.
固定比特率网络（诸如ISDN）上的可视电话、会议电视以及其他会话型多媒体业务依据建议H.221中所描述的多路复用结构。
Videophone, videoconferencing and other conversational multimedia services on fixed bit-rate networks (such as ISDN) depend on the multiplex structure described in Recommendation H. 221.
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