The invention relates to a system provided with —a first apparatus provided with means which can be activated by a cause in order to send a signal to a communication apparatus; and —a communication apparatus provided with ⋅means for receiving the signal; and ⋅means for establishing contact with an emergency response center. The communication apparatus is provided with means which can be activated by reception of the signal and with which the communication apparatus can request data from the first apparatus. The communication apparatus is also provided with assessing means for performing an assessment of the data. The means for establishing contact with the emergency response center can be activated subject to the assessment.