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备受关注的中国电信下一代网络 (ＮＧＮ)全国试验网项目近日开始启动。据悉 ,此次ＮＧＮ全国试验项目覆盖上海、北京、广州和深圳４个城市。据了解 ,上海贝尔、中兴通讯、爱立信、北电网络等厂商与中国电信签订了合同 ,将向该试验网提供设备。有关专家指出 ,中国电信的这个项目
China Telecom next generation network (NGN) national trial nets project attracting much attention recently started. It is reported that the NGN pilot project covers four cities in Shanghai, Beijing, Guangzhou and Shenzhen. It is understood that Shanghai Bell, ZTE, Ericsson, Nortel Networks and other manufacturers signed a contract with China Telecom, the trial network will provide equipment. Experts pointed out that this project of China Telecom