I called my mom today on Skypeout and was impressed with the quality she said the quality was as good as a regular phone. I purposely pushed my Internet connection pretty hard while I was talking with her to see if I could impact the quality. Even downloading 4 large files and pushing 2 files to a ftp site the quality remained the same. I was impressed to say the least.
She doesn’t care how it works but many people do and are confused when it comes to the issue of who can call who. Skype is obviously 1 way to regular POTS lines but it was never designed to be a complete VOIP solution. So if you need a quick explanation this article breaks it down real simple. [USA Today]