Asterisk is software that turns an ordinary computer into a voice communications server. Asterisk is the world's most powerful and popular telephony development tool-kit. It is used by small businesses, large businesses, call centers, carriers and governments worldwide. Asterisk is open source and is available free to all under the terms of the GPL.



Update : Asterisk 1.4.27, 1.6.0.18, and 1.6.1.10 released
News : VoIP Security Webinar Now Available
Update : Asterisk 1.4.27-rc5, 1.6.0.18-rc3, 1.6.1.10-rc.3, and 1.6.2.0-rc6 released
Update : Asterisk-Addons 1.4.10-rc1, 1.6.0.4-rc1, 1.6.1.2-rc1, and 1.6.2.0-rc2 released




  • Downloads YTD: 1,331,445*
  • Members: 60,627
  • Forum Threads: 30,080
  • Forum Posts: 96,384
  • Blog Entries: 185
(*Not all mirrors and other download sources currently included. Actual download count is significantly higher.)


Switchvox Turn-key IP PBX
Telephony Cards
Asterisk Software Add-ons
Digium Product Catalog