FreePBX is described as 'Web-based open source GUI (graphical user interface) that controls and manages Asterisk (PBX), an open source communication server' and is a IP PBX system in the social & communications category. There are more than 10 alternatives to FreePBX for a variety of platforms, including Linux, Mac, Windows, Android and iPhone apps. The best FreePBX alternative is Asterisk, which is both free and Open Source. Other great apps like FreePBX are 3CX, RingCentral, FreeSWITCH and Yate - Yet Another Telephony Engine.
VitalPBX is a full-feature PBX (phone system) based on Linux and Asterisk. VitalPBX is extremely easy to use, fast and secure. VitalPBX is free to use, including for commercial use, with no limitations of the amount of users.
VoipSwitch is a SoftSwitch System with routing and billing, with SIP protocol support (in older versions also H323).
The MiRTA PBX is an interface written in PHP using Mysql as backend to manage a multitenant PBX built over the Asterisk Open Source PBX. An easy to use interface allows you to manage one or more Asterisk PBX in a multi tenant, load sharing and high availability configuration.
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.
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.
Vodia Phone app is a free add-on for your Vodia PBX that lets you connect to your account on your Vodia PBX. Starting with Android 5.0 Lollipop, based on the WebRTC technology.
IvozProvider supports multiple management levels, from Global platform administrator to final user, each of them having its own web interface with visibility to perform configuration tasks.
Future proof your business communications with the pascom cloud phone system - the easy-to-use, all-in-one cloud phone system for your business.
OpenSIPS (Open SIP Server) is a mature Open Source implementation of a SIP server. OpenSIPS is more than a SIP proxy/router as it includes application-level functionalities. OpenSIPS, as a SIP server, is the core component of any SIP-based VoIP solution.
Our industry-leading solutions foster true omnichannel engagement, performing equally well across all channels, on-premise and in the cloud. Experience communication as it should be: fluid, instinctive and profoundly empowering.
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