The tradeoffs between average speed of answer, service level, occupancy, telecom requirements and staff requirements.
平均应答时长，服务水平，占用率，中继线需求和员工需求之间的平衡；
The tradeoffs between average speed of answer, service level, occupancy, telecom requirements and staff requirements.
平均应答时长，服务水平，占用率，中继线需求和员工需求之间的平衡；
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