The telephone operators manually connected the calls to put the interlocutors in contact. They had to be between 18 and 27 years old, not wear glasses, be single and able to stretch their arms to a minimum of 155 centimeters. The first women to work as telephone operators marked a before and after in the labor market for women, because they went beyond the standards that had been set for them until then and managed to carve out a niche for themselves in the world of work, a world that in those years It was completely dominated by men.