Name of Movie - Movie Details - Probably "The Perfect Stranger" - So So Confused :-)

There was a1990s movie -  Probably a TV movie. The Plot summary was that a man becomes obsessed with a girl after a one night stand. The girl's boyfriend was possibly a doctor. The stalker/obsesses uses an excuse to use the phone to let himself in. Talks on a disconnected phone.  The movie name could be "Perfect Stranger" but the movie name gets lost with another Daniel Steel movie with the same name.

Does anyone know what movie this could be.

ChtGPT suggest it is "The Perfect Stranger 1994" but mixes up the cast with the other movie with the same name