IT support system is important to the telecom operators more and more under the all-service operation era, and the evaluation is a key step in the management of IT support system construction. According to the characteristic of IT support system in telecom operators, a evaluation architecture for IT support system is proposed in this paper. Moreover, the authors evaluate the IT support system of CMCC (China Mobile Communication Corporation) Guizhou company from the aspects of investment, ability and application effect. The evaluation result shows that the construction of IT support system is important to the enhanced the KPI index, reduced costs and improved work efficiency and the evaluation architecture of IT support system proposed in this paper is effective.
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