在一条模拟电话线上，交替传送静态图像和话音信号的双向通信的电话终端设备。可视电话机备有自动电话机和显示屏，用户在通话过程中可短时间地看到对方用户的静态图像，增强了对用户的服务功能。
首先声音信号的发收和其他电话一样……但受话人必须也有一个可视电话机。
First, the audio signal is established in the same way that any phone call is made... only if the called subscriber also has a video phone set.
周二有一大群人形成半圆围着这条鲨鱼，并且咧开大嘴用他们的可视电话机拍照。
A large crowd formed a semicircle around the shark Tuesday and snapped shots with their camera phones, their mouths open.
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