The only thing original is the first 4 minutes

Everything else was just a well acted and produced collage of rip offs from other popular horror films and it ends with another horror cliche, that's been done half of dozen times now.

If in fact that prank call from the start happened like that with two deaths, it's double felony murder for all involved and they made a point to show how they posted the call everywhere, it went viral, could have been tracked down by an infant. 5/10