Which VoIP components can permit or deny a call attempt on the basis of a network’s available bandwidth?()
- A、MCU
- B、Application server
- C、Gateway
- D、Gatekeeper
正确答案:D
答案解析:有

微信扫一扫手机做题
Which VoIP components can permit or deny a call attempt on the basis of a network’s available bandwidth?()
微信扫一扫手机做题