As the original creator, maintainer and continued developer of the Asterisk Open Source Project, we provide Asterisk source code worldwide for free. Our revenue sources to continue maintaining and developing the project come from commercial sales of our telephony cards, turn key solutions, commercial licenses, and support. Every time you buy (or sell) genuine Digium products or services, you contribute to the Asterisk project.
Thanks to all of you, the proliferation of Asterisk has grown worldwide. The downside of this explosive growth is that we have started to see a significant number of Asterisk “clone” cards hit the … Continued