She is famous for her roles on stage and television, particularly for her roles as Joyce Grenfell in her biographical play, and as "Beattie" in a long-running series of television commercials for British Telecom.
"An ology. He gets an ology and he says he's failed. You get an ology, you're a scientist!" Maureen Lipman, in a 1980s British telephone company adFilmography: