Look here to find out which nodes are available and where they are located.

The user selects a contact from the list and communication is carried out using the computer microphone. The Echolink application presents a window such as the one below to the user.

Some ISP’s may allow multiple unique external IP addresses, in which case Echolink can be used on multiple computers. Allow TCP (source port any, destination port 5200) from PC to Internetīecause the firewalls only allow port directs to particular IP addresses – and hence computers – Echolink can in most cases only be used on one computer at a time in a particular household.Allow UDP destination ports 5198-5199 between Internet and PC in both directions.Using Echolink on a computerĪs Echolink is using internet protocols for transmission of voice, various ports must be open in your firewall for it to operate properly, the Echolink website summarising the requirements thus: A minimum connection speed of 256KBs is usually recommended for effective, clear VOIP applications. VOIP connections of any sort – including Echolink – require a DSL connection to the internet. Application versions are available for PC and Mac computers.Įcholink is not usually described as a digital mode – although VOIP is the digital transmission of voice – as most operators will use an FM radio to connect to the Echolink network. It is similar to IRLP but allows users to connect via either radio or computer. Echolink is a VOIP (Voice Over IP) application that allows amateurs to connect to one another using the internet.

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