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前不久,上海邮电向市场推出了一项新业务,即ISDN(Intergrated Service Digital Network)综合业务数字网,中国电信将其俗称为“一线通”的服务业务。这是一种建立在全数字化网络基础上的综合业务数字网络。 “一线通”是以电话综合数字网为基础发展而成的通信网,能提供端到端的数字连接,可承载话音和非话音等业务,用户能够通过多用途用户
Not long ago, Shanghai Post launched a new service to the market, namely the Integrated Services Digital Network (ISDN), a service business commonly known as “One-Touch” by China Telecom. This is an integrated business digital network based on an all-digital network. “One-Touch” is a communication network based on the integrated telephone network. It provides end-to-end digital connections and supports voice and non-voice services. Users can access multi-user