Announced back in 2018, Google Duplex is an extension of the company's assistant, which can make reservations for restaurants on your behalf with a surprisingly human voice. It can understand contextual information coming from the other side of the call and answer a limited number of questions if asked. It was so far an exclusive feature for US Pixel owners but now Duplex is making its grand rollout in the states. The service caused some controversy when it was initially demoed at Google I/O 2018 due to the human-like tone and pronunciation it used during calls. Google later addressed...
Source: https://www.gsmarena.com/google_duplex_rollingout_to_ios_and_non_pixel_devices_in_the_us-news-36371.php