They can talk to their colleagues in different ways. However, it can sometimes be difficult to understand because they speak faster. Although, if it were slower, it would be easier for them to understand it. This depends, for example, on the need for special education, the teacher's culture, geographical location, subject, gender, emotional state, fluency, profession or who they speak to. Furthermore, I would say that they would speak normally because their colleagues have the same profession as them; this would mean that they would be able to understand each other