What does DT mean in Telecom?

This page is about the meanings of the acronym/abbreviation/shorthand DT in the Computing field in general and in the Telecom terminology in particular.

Dial Tone

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What does DT mean?

dial tone(Noun)
A telephony signal, usually in the form of a sound, used to indicate that the telephone exchange is working, has recognized an off-hook, and is ready to accept a call.

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"DT." Abbreviations.com. STANDS4 LLC, 2015. Web. 25 Nov. 2015. <http://www.abbreviations.com/term/63007>.