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多媒体通信在市场需求和当今技术相互发展、相互促进下得到迅猛发展,视频拨号(VDT)业务方兴未艾,市场潜力巨大。文章介绍了视频拨号业务概念、网络结构、实现方案、经营管理和业务现状。
With the rapid development of market demand and today’s technology, mutual promotion, multimedia communication is booming and the market for video communications (VDT) is booming. The article introduces the concept of video dialing business, network structure, the realization of the program, management and business status quo.