Which statements are true regarding ISDN channels?()A、Each B channel can transmit up to 64 kbpsB、The ISDN B channel carries voice or dataC、The ISDN D channel transmits control information.D、The D channel transmission rate varies depending on the service used.E、HDLC or PPP can be used to encapsulate D channel information.

Which statements are true regarding ISDN channels?()

  • A、Each B channel can transmit up to 64 kbps
  • B、The ISDN B channel carries voice or data
  • C、The ISDN D channel transmits control information.
  • D、The D channel transmission rate varies depending on the service used.
  • E、HDLC or PPP can be used to encapsulate D channel information.

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