No half decent, self respecting, sentient AI would use a male voice. With the number of men in the industry, you'd be surprised at how influential a woman with a lovely voice can be over a phone.
In one of our customers' Data center, the cleaner needed a free socket for the vacuum cleaner. So he unplugged one of the servers.
Later that evening, a technician had to travel 200 !$%*! to plug it in urgently.