Even if passengers cannot speak, eCall creates a voice link to the closest Public Safety Answering Point (PSAP) and sends an emergency message, known as the minimum set of data (MSD), including key information about the accident, such as time, accurate location, driving direction (resulting from accurate satellite-based data) and vehicle description. eCall can also be activated manually.
Même si les passagers ne peuvent pas parler, eCall crée un lien vocal vers le centre de réception des appels d'urgence (PSAP) et envoie un message d'urgence, appelé ensemble minimal de données (MSD), comportant des informations essentielles au sujet de l'accident telles que l'heure, la situation exacte du véhicule, sa direction (provenant de données satellitaires exactes) et sa description.