Personally I haven't done any coding with iPhone. You just spotted my name, because I modified your question to more readable format :).
Also note that if you add solutions to your question, no-one else but you gets notified.
I hope that someone with knowledge about iPhone answers this question, but in the meantime I did a little bit research about this question and the closest I got was this:
http://stackoverflow.com/questions/6557902/incoming-call-wakes-ios-background-app[
^].
Perhaps it would help you further!