Meaning of blue boxing | Babel Free
Definitions
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.
Examples
“See also: blue box”
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.