I figured I'd give this a shot and it worked as-expected but I figured I'd share anyways.
If you have a Google Voice account, you can forward your cellphone's number to your Google Voice number using your cellphone's menu, and then tell Google Voice to forward incoming calls back to your cellphone, and everything works as it should, and is transparent to anyone trying to contact you. I tried it to see if some sort of infinite loop would crash the internet, but ended up finding something quite useful.
Give it a shot!