A good system of communication in health environments, must contribute on the other hand, to help to become more efficient institutions of health? for the rapidity and easiness of the communication process, in the transmission and exchange of information? , and for another one, to increase the security of the patients and the professionals of health. Of the side of the patients, two aspects determine the necessity of communication systems: on the other hand, these people suffer of some physical or psychological limitation hinders that them to act independently natural and, needing therefore, of permanent aid in the small tasks simplest and; e, for another one, and that it is configured as one aggravation, the fact not to know in detail the place where if they find, aspect this, only for itself, causer of discomfort and unreliability, what associated to the limiting state of the illness where if they find, configures a delicate picture. In an environment already of itself, adverse, everything what it will be able to facilitate the communication between some intervening ones, improving processes, spent time and resources, at the same time that it contributes for its security, as either, in the case of the interned patient, the simple fact to possess next to the bed a small button that assures to it that, in emergency situation, will be enough to load and come somebody to rescue it, they are more-values in day-by-day of a health institution, and in last instance, of the given cares of health to the patients, who are, in good truth, the customers of this type of institution. . The assistance to the sick people constitutes the most important task of the professionals of the sector of the cares of health. The communications between the employees and the visitors, patients and companions, half play a crucial role in the demanding one of the cares of health, and the systems of communication of medical cares must support the management in the safer environment creation for all. Speaking candidly crowne plaza rosemont told us the story. . .