Network Aspects (NA); General Configuration and Basic Functions for the Interconnection of Private Telecommunications Networks with the Public ISDN
国外标准现行
标准号:ETSI ETR 045-1992
标准名称: 网络方面(NA).专用通信网与公共综合业务数字网的互通的一般配置和基本功能
英文名称:Network Aspects (NA); General Configuration and Basic Functions for the Interconnection of Private Telecommunications Networks with the Public ISDN