The telephone operators were in charge to manually connect the calls to put the interlocutors in contact. To work as a telephone operator, women had to meet certain requirements: they had to be between 18 and 27 years old, not wear glasses, be single and be 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 gain a foothold in the world of work, a world that in those years It was completely dominated by men.