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多选题
Which two statements are correct about the signaling methods that are utilized for transmitting voice？ （）
A
Channel-associated signaling transmits control signals in band and therefore reduces the bandwidth available for the voice data stream.
B
Channel-associated signaling utilizes a separate TDM channel for transmitting control signals.
C
Common channel signaling transmits control signals in band and therefore reduces the bandwidth available for the voice data stream.
D
Common channel signaling uses one of the TDM channels to transmit control information reducing the number of channels available for voice.
E
ISDN BRIs implement channel-associated signaling.
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更多 “多选题Which two statements are correct about the signaling methods that are utilized for transmitting voice？ （）AChannel-associated signaling transmits control signals in band and therefore reduces the bandwidth available for the voice data stream.BChannel-associated signaling utilizes a separate TDM channel for transmitting control signals.CCommon channel signaling transmits control signals in band and therefore reduces the bandwidth available for the voice data stream.DCommon channel signaling uses one of the TDM channels to transmit control information reducing the number of channels available for voice.EISDN BRIs implement channel-associated signaling.” 相关考题
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