联通数据通信网是上海信息港主体工程组成项 目之一，也是宽带网络建设的重要内容。该工程的实 施使上海成为中国联通数据网三大国际出口之一和 华东地区汇接中心。 工程主要目标 在宽带平台上实现三大业务： １、ＶＯＩＰ承载 为实现ＩＰ电话记帐十、ＧＳＭ一次拨号、ＰＳＴＮ Unicom data communications network is the main project of Shanghai Port of Information one of the components, but also an important part of broadband network construction. The implementation of the project made Shanghai one of the three major international outlets of China Unicom’s data network and a hub for east China. The main objective of the project in the broadband platform to achieve three major business: 1, VOIP bearer for the realization of IP phone billing ten, GSM one-dial, PSTN