autodialler
From Longman Dictionary of Contemporary Englishautodiallerau‧to‧dial‧ler British English, autodialer American English /ˈɔːtəʊdaɪələ $ ˈɒːtoʊˌdaɪələr/ noun [countable] a machine that dials people’s telephone numbers and plays a recorded advertisement SYN robodialer American English