Switchboard - Your instant voice network
February 25, 2018 at 8:41:58 PM GMT+1 * - permalink -

- http://www.switchboardaudio.com/

Why and How to Use Ring Instead of Skype on Linux | Linux.com | The source for Linux information
July 24, 2016 at 8:43:54 AM GMT+2 * - permalink -

- https://www.linux.com/learn/why-and-how-use-ring-instead-skype-linux