Continuous redial, busy number redial, or repeat dial[1] is a vertical service code (calling feature) that allows callers to automatically redial a busy telephone number until a connection is made. It was introduced in 1992 as Repeat Dialing,[1] and is activated by dialing a combination of special characters and numbers after hanging up following a call to a busy line. It will run for a set period of time (such as 30 minutes) and can be deactivated by entering either the same set of numbers or a different set. The North American Numbering Plan assigned *66 to activate continuous redial and *86 to deactivate it.
See also
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References
edit- ^ a b Linda Saslow (June 28, 1992). "Phone Company Introduces Call Return, Quietly". The New York Times. Retrieved September 28, 2022.
External links
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This article incorporates public domain material from Federal Standard 1037C. General Services Administration. Archived from the original on January 22, 2022.