Harman Patil (Editor)

Clearing (telecommunications)

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Clearing, in telecommunications means:

  • A sequence of events used to disconnect a call and return to the ready state. It is sometimes, particularly in the context of common-channel signaling, called teardown.
  • Removal of data from an AIS, its storage devices, and other peripheral devices with storage capacity, in such a way that the data may not be reconstructed using normal system capabilities (i.e., through the keyboard).

    • Note: An AIS need not be disconnected from any external network before clearing takes place. Clearing enables a product to be reused within, but not outside of, a secure facility. It does not produce a declassified product by itself, but may be the first step in the declassification process.

    References

    Clearing (telecommunications) Wikipedia
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