The aboil competitions, which were accompanying with Standards, System Framework and System Termination applications, broke out not only among every govement but also among all the manufacturers and all the operarors.

• 同时随着技术水平的不断提高，网络系统的不断增大，各通信设备制造商和运营商的网络维护成本急剧扩大，成为设备成本的一个重要因素，因此，高效、方便的电信网络管理和维护平台也成为各通信设备制造商竞争的有力砝码。