The Incredible PBX
Incredible PBX is a secure and feature-rich implementation of the Asterisk® PBX. By rethinking the PBX security model from the ground up.
XiVO is an IP-PBX, a unified communications platform that connects phones on a local or private network with other networks such as public landlines and mobile...
xivo is a scalable platform based on asterisk that offers a free and complete pbx solution. it is licensed under the gplv3.
an ippbx an pbx that provides communication services such audio, video, and instant messaging based on the use of standard network technologies such as the tcp/ip protocol.it is interoperable with most market telephony systems and allows its users to benefit from a set of flexible and advanced services without requiring specialized hardware.
Official Website
Source
Twitter
Facebook
voice-chat pbx phone-system telecommunication asterisk-based