Jackson presented his thesis in November last year. You can get the code and the whole description (including his thesis) here.

http://www.weg.ee.usyd.edu.au/projects/det_ug2003#Jackson_Chow

This package basically adds a new form delivery (SMS) to the notifications packaged (based on service contracts). We got an SMS model to test it and it worked really well

I hope this helps.

Ernie