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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 Certified 18.9-cert16
July 31, 2025
Asterisk 22.5.0 Now Available
July 17, 2025
Asterisk 21.10.0 Now Available
July 17, 2025
Asterisk 20.15.0 Now Available
July 17, 2025
Security Advisories
Uncontrolled Search-Path Element in safe_asterisk script may allow local privilege escalation : (GHSA-v9q8-9j8m-5xwp)
July 31, 2025
Remote DoS and possible RCE in asterisk/res/res_stir_shaken/verification.c : (GHSA-mrq5-74j5-f5cr)
July 31, 2025
cli_permissions.conf: deny option does not work for disallowing shell commands : (GHSA-c7p6-7mvq-8jq2)
May 22, 2025