As eCall is based on the single European emergency number 112 and its location-enhancement, E112, their implementation was also followed by the Commission.
Kuna automaatne hädaabikõne põhineb Euroopa ühtsel hädaabinumbril 112 ja selle asukohateabega varustatud edasiarendusel E112, jälgiti ka nende rakendamist.