Q: Why am I not getting called but getting email saying I'm getting called

This forum is for questions from those managing sites on iTunes U, Apple's service for colleges and universities to post educational material in the iTunes Store. You'll be most likely to get help with this issue if you ask in the general iTunes forums. Answering quickly, though, see the user tip created by Kappy, another user here, on how to proceed:

https://discussions.apple.com/docs/DOC-4551

Regards.