Which device is normally used to translate telephone numbers or names to IP addresses for call routing in an H.323 network？ （）A、call agentB、IP phoneC、multipoint control unitD、gatekeeper
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
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