Dial tone what is

Gorilla Glass. Techopedia Terms. Connect with us. Sign up. Term of the Day. Best of Techopedia weekly. News and Special Offers occasional. Digital Dial Tone. Techopedia Explains Digital Dial Tone. Techopedia Explains Digital Dial Tone A digital dial tone is not an actual dial tone, as digital cellular phones do not generate dial tones. Share this Term. Tech moves fast! Word lists shared by our community of dictionary fans. Sign up now or Log in. Definitions Clear explanations of natural written and spoken English.

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Grammar Thesaurus. Word Lists. Choose your language. My word lists. Tell us about this example sentence:. The word in the example sentence does not match the entry word. A dial tone is the signal that a person hears on a landline telephone before he dials a phone number. In most instances, the signal disappears once the first number is dialed. In most cases, cell phones do not have a dial tone. This signal was widely established as telephone systems became automated, starting around Prior to that, a caller had to talk with a switchboard operator in order to connect with another party.

The tone was created so the caller knew that the phone was indeed connected and working before making the call. At home or in an office, several phones can share the same telephone line.