FreeSentral is a full IP PBX consisting of a Linux Distribution, an IP PBX and a Web Graphical User Interface for easy configuration
Cost / License
- Free
- Open Source
Platforms
- Linux

Yate - Yet Another Telephony Engine is described as 'Yate is a softswitch (concept of separating the network hardware from network software)' and is an app in the social & communications category. There are more than 25 alternatives to Yate - Yet Another Telephony Engine for a variety of platforms, including Linux, Windows, Mac, Android and iPhone apps. The best Yate - Yet Another Telephony Engine alternative is Asterisk, which is both free and Open Source. Other great apps like Yate - Yet Another Telephony Engine are MicroSIP, 3CX, RingCentral and FreeSWITCH.
FreeSentral is a full IP PBX consisting of a Linux Distribution, an IP PBX and a Web Graphical User Interface for easy configuration

uSipSwitch a micro sip switch (sip proxy) perfect for edge SIP SBC work (e.g. hosted PBX business). Comes with web console and DNS health tools. Uses modern clustering NoSQL technology for advanced HA.

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 telephones.






You will be able to setup your own VOIP system in ONE HOUR. miniSIPServer can run on Windows, Linux and even Raspberry Pi. We can also run it on kinds of virtual machine systems, such as Hyper-V, VMWare, KVM, Xen.




PBX in a Flash is a PBX system based on Asterisk, FreePBX and CentOS, coming as an ISO download. A two stage installation process allows for more flexibility for the installation of the PBX specific components.
VoipSwitch is a SoftSwitch System with routing and billing, with SIP protocol support (in older versions also H323).


sipXcom provides complete enterprise-grade telephony, unified messaging, Instant messaging, audio conferencing, and many other features.
PBXware is the world’s first and most mature IP PBX Professional Open Standards Turnkey Telephony Platform. Bicom Systems’ softswitch is offered in the Business, Call Center and Multi-Tenant Editions.




Ozeki Phone System XE is a Software PBX telephony platform for Windows. Ozeki enables your applications to connect PBX and access IVR, Webphone, SMS sending, 3D video calls and other functionalities. It makes possible to use PHP VOIP, .




Voice Portal delivers on industry leading IT fit, reliability, scalability and manageability. Voice Portal meets today"s demand for simpler IT-managed speech and video self service solutions.
It is for Linux only, not Windows.