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（本刊讯）近日 ,中国联通正式宣布采用思科基于ＩＰ技术的ＶｏＩＰ电信级解决方案 ,将其ＩＰ电话网络覆盖面拓展到全国３２１个城市 ,中国联通由此成为世界上第一个在数据网上实现在全国范围内提供语音传输服务运营商。又讯 ,７月２７日 ,思科系统 (中国 )网络技术有限公司与
(China News) Recently, China Unicom officially announced the use of Cisco IP-based VoIP carrier-class solutions, the IP telephone network coverage to 321 cities nationwide, China Unicom thus became the world’s first data network to achieve Across the country to provide voice transmission service operators. And again, July 27, Cisco Systems (China) Network Technology Co., Ltd. and