NGOSS is a good support to NGN. Billing subsystem is the key of it.

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。

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Providing New Generation Operations Systems Software (NGOSS) sample models and guidance.

提供了新一代操作系统软件(New Generation Operations Systems Soft ware,NGOSS)范例模型和指南。

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The next generation operation support system (NGOSS) was the new generation of OSS system proposed by the telecom management forum (TMF).

下一代运营支撑系统（NGOSS）是“电信管理论坛（TMF）”提出的新一代OSS体系。

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First, key technologies and framework of NGOSS are introduced in detail. Then, consideration is given to the migration from OSS to NGOSS.

首先详细介绍了下一代运营支撑系统(NGOSS)的关键技术和结构框架，然后介绍了从OSS过渡到NGOSS的思路。

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First, key technologies and framework of NGOSS are introduced in detail. Then, consideration is given to the migration from OSS to NGOSS.

首先详细介绍了下一代运营支撑系统(NGOSS)的关键技术和结构框架，然后介绍了从OSS过渡到NGOSS的思路。

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