What is the typical number of trunks in a Call Center?（）
- A、equal to half the number of IVR ports
- B、greater than the number of IVR ports plus the number of agent phones
- C、less than or equal to the number of IVR ports plus the number of agent phones
- D、twice the number of IVR ports plus the number of agent phones
正确答案:C
答案解析:有
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