Listen to Twenty Thousand Hertz Podcast – #63 Phone Tones
Twenty Thousand Hertz Podcast – #63 Phone Tones
Twenty Thousand Hertz tells stories behind the world’s most recognizable and interesting sounds. This episode explores how touch tone dialing changed communication forever. Enjoy this quirky look into telephone history featuring our Denver volunteer and telephone aficionado, Jim Hebbeln and author Annabel Dodd.