The Caller is a supernatural thriller starring Rachelle Lefevre and English actor Stephen Moyer - best known for his role in True Blood as the vampire Bill Compton.
Mary Kee, a recent divorcee moves into a new apartment, soon discovers a new retro telephone....but soon begins to wish she hadn't.
She starts to receive calls from a woman named Rose....who claims to be in the past....who begins doing things to alter the present.
Definitely worth checking out if your a horror fan.
Trailer is below.