试题详情
- 单项选择题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
- A
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A、FXS
B、FSO
C、E&M
D、auxiliary port
E、802.3af ethernetports
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