Obvious joke: I had no idea you could Skype on the Jitterbug. Actually, you know what, this whole post and comments section is going to be obvious jokes about old people using technology. So let's just say this is probably some sort of recruiting violation, and Paterno thought he was talking to his great-grandchildren anyway.
JoePa using Skype to recruit, and his health said to be excellent [Altoona Mirror]
Joe Paterno, running back Will Mahone and Skype [CBS Sports]