Asterisk is #13 in Top 18 Business Phone systems

Asterisk
An open source telephony switching and private branch exchange service for Linux. Information on downloading, installation of and support for the product. Asterisk is like a box of Legos for people who want to create communications applications. It includes all the building blocks needed to create a PBX, an IVR system, a conference bridge and virtually any other communications app you can imagine.

Asterisk video

Positions in ratings


#13 in Top 18 Business Phone systems

Alternatives


The best alternatives to Asterisk are: FreePBX, 3CX