Necessary-Piece t1_j1y1aex wrote on December 28, 2022 at 6:00 AM Reply to ELI5: When we call any customer support, an automated voice asks us to press specific keys for different options. How does it know which key I am pressing? by [deleted] Each one makes a slightly different sounding bleep or bloop, and the computer recognizes the tone. Permalink 3
Necessary-Piece t1_j1y1aex wrote
Reply to ELI5: When we call any customer support, an automated voice asks us to press specific keys for different options. How does it know which key I am pressing? by [deleted]
Each one makes a slightly different sounding bleep or bloop, and the computer recognizes the tone.