(a) A law enforcement officer, firefighter, an emergency medical technician, a paramedic or the operator of an authorized emergency vehicle in the performance of their official duties;
(b) A person using an electronic communication device to report to appropriate authorities a fire, a traffic accident, a serious road hazard, or a medical or hazardous materials emergencies;
(c) The activation or deactivation of hands-free equipment or a function of hands-free equipment. (Passed 7-10-12.)