Fast developing telecommunication industry requires excellent management and billing system , country.

快速发展的电信事业要求高水平的管理和计费系统.

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With telecommunication competition aggravating long - distance - billing system has become main point of long - distance service of China Unicom.

随着电信竞争的日趋加剧,长途计费帐务系统已经成为中国联通长途业务的重点.

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All those service use the same billing system and the same OAM system.

所有这些业务都使用相同的计费和OAM系统.

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Billing system for telephone station 2 N, LG complete source code, has been tested.

结算系统的电话站为2n, LG电子完整的源代码, 已经过测试.

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