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- 单项选择题What call performance statistics are reported on the Cisco Wireless IP Phone 7921 user interface?()
A、minimum jitter
B、maximum jitter
C、upstream standard packet deviation
D、average MOS value
E、average conceal rate
- D
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A、minimum jitter
B、maximum jitter
C、upstream standard packet deviation
D、average MOS value
E、average conceal rate
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