广州电信网管维护中心是广州电信网络运行维护作业层的核心部门。
Network Management and Maintenance Center (NMMC) of Guangzhou Telecom is the core department of local network operation and maintenance.
并且由中国电信上海公司数据中心替客户进行管理维护。
China Telecom Shanghai and by the corporate data center management and maintenance for customers.
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