Most open source IP PBX solutions are based on one of two software packages: Asterisk, a complete feature-rich PBX solution, or SIPfoundry, which includes SIP-based projects such as sipX and ...

Why settle for an ancient, analog PBX? The best voice over IP (VoIP) services we've tested deliver enterprise-grade phone system features for a small-business-friendly price.

3CX is an example of cloud PBX software available for private hosting or to organizations that offer cloud PBX services. See IP PBX and VoIP. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other ...