Discover the Power of Asterisk
Build Voice, Video and Text Applications Easily With Asterisk, The World's Most Widely Adopted Open Source Communications Software Development Framework
Asterisk is an open source framework for developing state-of-the-art communications applications. Asterisk includes hundreds of pre-built components that handle the complex, low-level details of voice, video and text communications.
Developers use Asterisk to create custom communications solutions and to build innovative communications products. Discover how Asterisk can power your next-generation communications deployment.
 | Get Started |
Discover how you can create custom solutions and innovative products using Asterisk.
 | Asterisk Hardware |
Digium offers a complete line of phones, gateways, interface cards and redundancy appliances built exclusively for Asterisk.
 | Find Asterisk Experts |
Need help building an Asterisk-based application, solution or product? Digium can help.
 | Downloads |
Download Asterisk, AsteriskNOW and add-on software packages that extend the power of Asterisk.