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Intercept

In telecommunication, the term intercept has the following meanings:

1. To stop a telephone call directed to an improper, disconnected, or restricted telephone number, and to redirect that call to an operator or a recording.

2. To gain possession of communications intended for others without their consent, and, ordinarily, without delaying or preventing the transmission.

Note: An intercept may be an authorized or unauthorized action.

3. The acquisition of a transmitted signal with the intent of delaying or eliminating receipt of that signal by the intended destination user.

Source: from Federal Standard 1037C and from MIL-STD-188


See also Interceptor aircraft.