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Asterisk is a free and open source framework for building communications applications and is sponsored by Sangoma.
11500000
Downloads Annually
Downloads Annually
85000
Community Members
Community Members
150
Countries with Installations
Countries with Installations
11500000
Servers Worldwide
Servers Worldwide
85000
New Endpoints Each Year
New Endpoints Each Year
AstriCon
2025 recordings now available!
AstriCon is the longest-running open source convention celebrating open source projects featuring Asterisk and FreePBX. Consisting of multiple tracks, sessions, and EXPO hall, AstriCon offers various levels of education sessions and provides attendees networking opportunities with some of the best in the open source community.
Asterisk News
Asterisk Security Release 22.4.1 Now Available
May 22, 2025
Asterisk Security Release 21.9.1 Now Available
May 22, 2025
Asterisk Security Release 20.14.1 Now Available
May 22, 2025
Security Advisories
cli_permissions.conf: deny option does not work for disallowing shell commands : (GHSA-c7p6-7mvq-8jq2)
May 22, 2025
Using malformed From header can forge identity with “;” or NULL in name portion : (GHSA-2grh-7mhv-fcfw)
May 22, 2025
Path traversal via AMI ListCategories allows access to outside files: (GHSA-33×6-fj46-6rfh)
January 9, 2025