blue boxing

名词 n.

英文释义

名词 n.
  1. An early 1970s phreaking technique involving electronic devices, famously built by Steve Wozniak and marketed by Steve Jobs, that simulated the 2600Hz tone used by telephone operators, allowing users to seize control of trunk lines, bypassing billing systems to make free, long-distance, or international calls.
    — See also: blue box

词形变化

blue boxings plural
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