EchoLink

EchoLink® software allows licensed Amateur Radio stations to communicate with one another over the Internet, using voice-over-IP (VoIP) technology.  The program allows worldwide connections to be made between stations, or from computer to station, greatly enhancing Amateur Radio's communications capabilities.  There are more than 200,000 validated users worldwide — in 162 of the world's 193 nations — with about 4,000 online at any given time.