My colleague Professor Charles Whitaker at Medill at Northwestern told me that when he was apartment hunting in his early days as a professional, he found he kept being denied apartments after making appointments to see them. He finally explained on the phone to a prospective landlord that he was black and the response was “You don’t sound black.”

More information: http://www.forbes.com/sites/break-the-future/2016/12/28/heres-how-the-sound-of-your-voice-can-hold-you-back-in-your-career/#189feabb77c1