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640-461 · Question #9

Which issue does CAS signaling on a T1 circuit create?

The correct answer is C. A signaling bit is subtracted from every sixth frame to carry signaling information. See the full explanation below for the reasoning.

Question

Which issue does CAS signaling on a T1 circuit create?

Options

  • ASignaling bits are subtracted from each frame, which causes a significant loss of voice quality.
  • BAn extra signaling bit is added to the sixth frame to carry signaling information.
  • CA signaling bit is subtracted from every sixth frame to carry signaling information.
  • DSignaling bits are added to the signaling stream to create extended super frames.

How the community answered

(37 responses)
  • A
    14% (5)
  • B
    3% (1)
  • C
    76% (28)
  • D
    8% (3)

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