What Is Asterisk?

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What is Asterisk?

Asterisk™ is a complete and FREE PBX, ACD and IVR in software. It runs on Linux and provides all of the features you would expect from a PBX and more. Asterisk™ does voice over IP in three protocols, and can interoperate with almost all standards-based telephony equipment using relatively inexpensive hardware.

Asterisk™ provides Voicemail services with Directory, Call Conferencing, Interactive Voice Response, Call Queuing. It has support for three-way calling, caller ID services, ADSI, SIP and H.323 (as both client and gateway). Check the Features section for a more complete list.

Who developed Asterisk?

Asterisk™ was originally written by Mark Spencer of Digium dba Linux Support Services, Inc. Code has been contributed from Open Source coders around the world, and testing and bug-patches from the community have provided invaluable aid to the development of this software.

Where is Asterisk going?

Asterisk™ is growing fast with new features added frequently to the CVS tree. Mark Spencer and numerous contributors from around the world contribute new code and patches on a daily basis. To stay up-to-date on the growing feature list of Asterisk™, please visit www.digium.com for more information on subscribing to the Asterisk™ mailing lists.