the author of this app says:
Please note: This app is for licensed Amateur Radio operators only. See www.echolink.org for more information. EchoLink for iPhone provides access to the EchoLink network for validated EchoLink users. You can use this app to connect to the EchoLink system from almost anywhere, using either an iPhone or an iPod touch. (For an iPod touch, you will need to plug in earphones with a microphone for full two-way capability.) iPhone users can use either a WiFi or 3G (cellular) Internet connection. Before running the app, you must be a registered user with a callsign and password that has already been validated. If you are not already validated for EchoLink, please see www.echolink.org for information on how to download and install the Windows edition first, or EchoMac if you are running MacOS instead of Windows. Please also see the iPhone FAQ at www.echolink.org. If you are interested in becoming a licensed Amateur Radio operator, see www.arrl.org for more information. Please note that this application uses streaming audio, which cellular providers in some countries may treat as VoIP. Please check the terms of your cellular provider agreement for information about additional fees your provider might charge for VoIP usage. EchoLink is a registered U.S. trademark of Synergenics, LLC.
- Requires iOS 3.0 or later.