Calling a response provider based on detection of an emergency situation includes: receiving sensor data describing at least one characteristic of physical surroundings of a computing device; receiving biometric data for a user of the computing device; selecting, in dependence upon the biometric data and the sensor data, a profile of trigger data from among a plurality of profiles of trigger data; determining that the sensor data and the biometric data satisfy a threshold criterion of the profile of trigger data for activating a response trigger; and in response to the determination, activating the response trigger, including automatically and without the user's intervention: establishing a connection to an emergency response provider; and providing information describing the user to the emergency response provider.