With the fast development of HFC broadband access and broadband IP network technology, modern CATV network is developing to a broadband integrated service network plant.
随着HFC 宽带接入技术和宽带IP 网络技术的飞速发展，现代有线电视网正不断向宽带综合业务网络平台演进。
IP video Phone is an integrated service that can implement voice and video calls on IP network.
IP视频电话是指在IP网络上实现语音和视频通话的一项综合业务。
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