IVR stands for “Interactive Voice Response”, IVR alternatives have used prerecorded voice prompts and menus to present alternatives and advice to touchtone phone keypad entry, and callers to collect answers. Advanced IVR options additionally enable answers and input signal to be collected via spoken words with voice recognition. IVR options enable users to recover information including flight programs, bank balances, merchandise details, order status, movie show times, and more from any phone.
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Alexander Graham Bell (March 3, 1847 – August 2, 1922) was a Scottish-born scientist, inventor, engineer, and innovator who is credited with patenting the first practical telephone.