The CROC method is a successful teleprospecting frame commonly used in commerce. It is summed up as follows: C for Contact: take care of your first contact by being clear, concise and using the right tone. The first impression is essential, take care of it! R for Reason: give the reason for your call and arouse your prospect's curiosity. It is necessary that you feel the interest on behalf of your interlocutor vis-à-vis what you propose. O for Objective: keep in mind the objective to be achieved. You need to remember your goal if you don't want to get lost along the way. C for Conclusion: end your call by briefly reformulating all your answers and concluding with a simple and natural polite phrase. Leaving is as important as making contact, remember that.