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现在,实现ISDN的计划正在全美国高速开展。而且,有关支持数据库访问的共路信令及ISDN的节点间信令的计划,也在全美进展。本文介绍拟于1986年底至1988年初投入服务的ISDN和共路信令的试验与初步应用的计划,以及某些已在工作的ISDN的情况。此外,还讨论美国实现ISDN的网络和法律环境、适于美国采用的标准及过渡业务的试验。
Plans to implement ISDN are now being rolled out throughout the United States. Furthermore, plans for common-channel signaling to support database access and ISDN inter-node signaling are also being made in the United States. This article presents plans for the pilot and initial application of ISDN and common-channel signaling to be commissioned from the end of 1986 to the beginning of 1988, as well as some of the ISDN work in progress. In addition, the United States also discusses the network and legal environment for ISDN in the United States and is suitable for testing the standards and transitional services used in the United States.