Cellular DVDRip (2004) (Serabi)

http://www.imdb.com/title/tt0337921/A young man receives a call on his cellular phone from a woman who says she's been kidnapped, and thinks she's going to be killed soon, along with her husband and son who the kidnappers have gone after next. The catch? She doesn't know where she is... and his cell phone battery might go dead soon