Today, the telecom industry is faced with fierce challenge from both abroad and at home, so network operation support system(NOSS) is very important to the enhancement of competitiveness of the telecom carriers.

• 随着电信行业竞争的加剧 ,电信网络运营支撑系统对提高电信企业的网络运营能力、增强企业竞争力显得越来越重要。