Mike Sandman has a page of gadgets you can buy that are powered by your phone line. They’re described as Consumer products that get their power from the Phone Company, instead of the Power Company– I’m thinking that I can convert a couple lines here to power some gadgets, outlets are a precious commodity. I couldn’t find any resources for doing anything like that so perhaps I’ll just tap in to it and see the best way to get that 23 to 80ma of power. Link.
Telco Powered Products