Phone Systems to Power Your Business - Open-source

Create advanced solutions with Asterisk, the world’s most widely adopted open source communications engine

Check out our online marketplace, Asterisk Exchange, for all things built on or integrated with Asterisk.
Get info about our annual user conference, Astricon and register to join us this year in Denver, Colorado!
Not sure what's next? Asterisk.org has all the answers to help you get started on your next project.