Under development since 1999, Asterisk^® is open source software that turns an ordinary computer into a feature-rich voice communications server. Asterisk^® makes it simple to create and deploy a wide range of telephony applications like conference calling, IVR, unified messaging, call recording, fax to mail / mail to fax, queues…

Asterisk^® supports a wide range of VoIP protocols including SIP, H323, MGCP, and SCCP and can interoperate with most devices of the marketplace.