I'm sorry if I didn't do this right but here it is:
I recently bought the Games on Demand version of GTA IV on my Xbox 360, I have reached the mission: Pest Control, after I complete this mission I am supposed to have another mission opened to me via a phone call, however I do not get this phone call therfore making it impossible for me to continue the story. I have repeated the story from a much earlier save but still no luck.

I don't belive I've posted this bug in the right section as it is an Xbox report and I don't think Xbox's have operating systems, so for future refrence could somone please tell me where I post X360 bugs.

Thanks.