DIN EN 300291-1-1999 电信管理网络(TMN).操作系统/网络单元(OS/NE)接口上用户管理功能性规范.第1部分:单线路配置
Telecommunications Management Network (TMN) - Functional specification of Customer Administration (CA) on the Operations System/Network Element (OS/NE) interface - Part 1: Single line configurations (Endorsement of the English version EN 300291-1 V 1.2.1