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Wireless Mobile Communications
Integrated Services Digital Network Isdn
Q
Information bearing channels in ISDN are called ______
AA. D channels
BB. Data channels
CC. B channels
DD. Voice channels
Correct Answer:
C. C. B channels
Explanation:
The ISDN interface is divided into three different types of channels. Information bearing channels called bearer channels (B channels) are used exclusively for end user traffic (voice, data and video).