Sipwise
sipwise
Sipwise develops open source based communication platforms for Telcos and Enterprises, delivers core telecom switching infrastructure to replace legacy systems.
Vienna/Austria
The Asterisk Project
asterisk
Asterisk is a free and open source framework for building communications applications.
United States of America
FreePBX
FreePBX
FreePBX is an open-source web-based graphical user interface (GUI) that manages Asterisk
United States of America