NGOSS是适应NGN的新一代运营支撑系统，计费子系统是其核心所在。
NGOSS is a good support to NGN. Billing subsystem is the key of it.
联机采集系统是计费数据联机实时采集系统的一个子系统，由采集终端通过交换机x。
The online data collection system is a subsystem of the whole data collection and billing system. In this system, the telephone billing data in the switch is collected automatically via the X.
联机采集系统是计费数据联机实时采集系统的一个子系统，由采集终端通过交换机x。
The online data collection system is a subsystem of the whole data collection and billing system. In this system, the telephone billing data in the switch is collected automatically via the X.
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