Jarring (2009)

Release Date: 2009-01-01
Runtime: 1h 23min
Production Country: United States of America
Director: Ivo Raza

Four friends accidentally discover a phone number with the most bizarre messages. After calling for their daily dose of perverted phone poetry, two of them disappear. There's a serial killer who was never caught, and a serial caller who's remains were never found as potential victims are lured with perversely poetic cell phone messages to their demise.