国内首个基于宽带交换机Ｐ３Ｓ的智能网项目将在北京实施。日前 ,上海贝尔与北京电信 ,就在北京运行的Ｐ３Ｓ交换系统上实现智能业务签订合同。该项目一期工程将于今年４月完成 ,届时 ,可向公众提供智能控制选路业务、虚拟专线业务、通话分钟批发业务、８００６业务（被叫集中 The first intelligent network project based on broadband switch P3S will be implemented in Beijing. Recently, Shanghai Bell signed a contract with Beijing Telecom to implement intelligent services on the P3S switching system operated in Beijing. The first phase of the project will be completed in April this year, when the public can provide intelligent control routing business, virtual private line business, call minutes wholesale business, 8006 business (called the focus