Cool site! A teacher can set up a site and have students dial in via their cell phones to submit assignments, and voice message responses. The teacher can log into the site and check the work submitted. Students can upload a variety of file types and can submit responses via voicemail.
I tried this out at the Pete and C conference and it was really cool. We phoned in an image to the teacher site and we were able to call in and submit a response to a questions provided by the teacher.