CNet writes about the next potential spam horror--voice mail spam sent to your Voice over IP telephone. VoIP phones have an IP address, just like your computer, and spammers will probably figure out a way to send spam right to your phone.
It's not something worth worrying about yet....as we get better at tightening up anti-spam laws and regulations, we may stop it before it gets started. As the CNet articles notes, it may be that it can be forestalled by adding language to the Do Not Call law.