Hosted PBX features
A hosted PBX is a PBX phone system offered as a hosted service. These solutions help companies reduce their initial invest in costly business phone systems. Company is able to utilize telephony features such as voicemail, faxing, IVR, conference calling, call auditing and calling logs.
Elastix is an open source software that brings together IP PBX, email, IM, faxing and collaboration functionality.
FreePBX is an opensource GUI (graphical user interface) that controls and manages Asterisk (PBX).
PBX in a Flash 2.0 is the latest Lean, Mean Asterisk Machine, a high-performance, turnkey Asterisk PBX that’s easy to upgrade.
GoAutoDial is an open source web based predictive dialer system based on CentOS.