Where Radio Meets the Internet! This second edition of VoIP: Internet Linking for Radio Amateurs is your complete guide to several of the most widely-used VoIP systems used by hams, with particular attention to EchoLink and the Internet Radio Linking Project, or IRLP. The book is designed for beginners who need information on how to get started, set-up, and use these systems. For the more advanced, it provides plenty of technical meat for those who want to dig deeper into VoIP applications and discover how they actually work.