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AT&T公司研制的Phone 2500是一种全色移动视频电话,其设计型式即有家用型,也有办公用型。它经过现有电话线路发送和接收视频呼叫,而且价格不超过拨号话音呼叫。电话具有折迭式面板,上面装有3.3英寸的LCD屏幕及摄像镜头。彩邑视频采用压缩实验室
Phone 2500 developed by AT & T is a panchromatic mobile video phone. Its design type is home type and office type. It sends and receives video calls over existing telephone lines and does not cost more than dial-up voice calls. The phone has a folding panel with a 3.3-inch LCD screen and camera lens. Cai Yi video compression laboratory