silver box

noun

A modified DTMF box that adds four additional keys, creating a four-column-by-four-key grid.

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Meanings

nounsilver box (plural silver boxes)

plural silver boxes

  1. communicationsA modified DTMF box that adds four additional keys, creating a four-column-by-four-key grid.
Cite this entry
APA

silver box. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/silver%20box

MLA

“silver box.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/silver%20box. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “silver box,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/silver%20box.

Source: silver box on Wiktionary, CC BY-SA 4.0.