What gateway port type can analog phones be connected to for use on a VoIP network?()
- A、FXS
- B、FSO
- C、E&M
- D、auxiliary port
- E、802.3af ethernetports
正确答案:A
答案解析:有
微信扫一扫手机做题
What gateway port type can analog phones be connected to for use on a VoIP network?()
微信扫一扫手机做题