Pretty cool. I would totally try this if I still had a home phone service, in fact I haven't had one for years (unless there's still power in the jack even though I'm not paying for the service).
I'm sure you all have probably seen this, but I found this interesting : http://www.wonderhowto.com/how-to/video ... 64-271361/
I'm sure you all have probably seen this, but I found this interesting : http://www.wonderhowto.com/how-to/video ... 64-271361/