Business Telecommunications (BT); Open Network Provision (ONP) technical requirements; Standardisation requirements for ONP leased lines Higher order leased lines
商业电信(BT);开放网络供应(ONP)技术要求;ONP租用线路的标准化要求高阶租用线路
发布日期:
1993-06-01
第1阶段:规划高阶ONP租赁线路ETS准备工作计划
Phase 1: to plan the work programme for the preparation of ETS on higher order ONP leased lines