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Fetched 2026-10-26 (cache).

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Noun

1. An early [[1970s]] [[phreaking]] technique involving electronic devices, famously built by [[w:Steve Wozniak|Steve Wozniak]] and marketed by [[w:Steve Jobs|Steve Jobs]], that simulated the 2600[[Hz]] tone used by telephone operators, allowing users to seize control of [[trunk line]]s, bypassing billing systems to make free, long-distance, or international calls.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.