In VOIP videotelephonesystem, it is very important for the realization and reliability to cooperate and correspond among tasks and interrupts.
在VOIP可视电话系统中，任务、中断及相互间的协调与管理是系统功能实现与可靠性的重要瓶颈。
2
Where there is a video file system available, you can have an encyclopedia displayed on your TV screen just by a telephone call.
在有录像档案系统的地方，你只要打一个电话，就会有一本百科全书显示在你的电视屏幕上。
3
It is most extensively used Lines of Communication to Public Switched Telephone Network (PSTN), hence the video surveillance system based on PSTN possesses widespread application prospects.