Which port type must be connected to the fax device for the Cisco Unified CallManager Express to support fax pass-through, T.38, and Cisco fax relay?（）
- A、FXO
- B、FXS
- C、ATA
- D、FAX
正确答案:B
答案解析:有
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Which port type must be connected to the fax device for the Cisco Unified CallManager Express to support fax pass-through, T.38, and Cisco fax relay?（）
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