Which device is normally used to translate telephone numbers or names to IP addresses for call routing in an H.323 network？ （）
- A、call agent
- B、IP phone
- C、multipoint control unit
- D、gatekeeper
正确答案:D
答案解析:有
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Which device is normally used to translate telephone numbers or names to IP addresses for call routing in an H.323 network？ （）
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