There are different things that people do in Teleperformance. The same way that different companies would have different positions for their employees, the personnel of Teleperformance will also assume different roles depending on their strengths and the things that they can do. There are some people who will provide customer and tech support to the customers of their clients.
There are also some who would be in charge of doing research. The research team will know what are the current marketing trends that can help companies with the things that they have to do. Some personnel will also be in charge of providing consulting work.