Telecom Business Operation Support System 电信业务运营支撑系统
telecom integrated business support system 电信综合业务支撑系统
But it also results in some serious safety threats to the telecom business support system.
但是，这也给电信运营系统带来了严重的安全威胁。
This paper introduces the development history of China Telecom business support system and the shortcomings of the "97" system.
本文介绍了中国电信业务支撑系统的产生由来以及老“97”系统所具有的缺陷。
As being the supporting system of the telecom business, Integrated Billing and Account system has taken the very important ratio in the whole telecom operating support system.
综合计费帐务系统作为电信业务的支撑系统，在整个电信经营维护系统中占有十分重要的比重。
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