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.
Asterisk is an open source framework for building communications applications. Asterisk turns an ordinary computer into a communications server. Asterisk powers IP PBX systems, VoIP gateways, conference servers and other custom solutions.
The 3CX Phone System is the software-based private branch exchange (PBX) Phone system based on the SIP (Session Initiation Protocol) standard and enables extensions to make calls via the public switched telephone network (PSTN) or via Voice over Internet Protocol (VoIP) services...
Integrated cloud solution for business communication offering calls, video, messages, and fax. Provides scalable solutions, real-time chat, HD video conferencing, and robust security, serving 400,000+ customers in over 100 countries with renowned uptime and AI-powered interactions.
FreeSWITCH is a scalable open source cross-platform telephony platform designed to route and interconnect popular communication protocols using audio, video, text or any other form of media. It was created in 2006 to fill the void left by proprietary commercial solutions.
Yate is a softswitch (concept of separating the network hardware from network software).
Wazo is mainly an IPBX 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 gives users access to flexible and...
Cloud-based call center software offering over 50 advanced features for customer experience, rapid setup, centralized management, CRM and helpdesk integrations, compatibility with any device, real-time customer info, performance metrics, and no hardware required.
FusionPBX is an open source FreeSWITCH GUI. FusionPBX can be used as a high available single or domain based multi-tenant PBX, carrier grade switch, call center server, fax server, voip server, voicemail server, conference server, voice application server, appliance framework...
Thirdlane® Business Phone System stands as an advanced IP PBX and Unified Communications solution, designed for both on-premises and cloud deployment.
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.
More than a PBX, with Elastix you can communicate with your customers through voice, video and live chat from anywhere. Built-in video conferencing, website live chat and smartphone apps, ensure your agents remain productive through one unified mobile solution.
Kamailio® (successor of former OpenSER and SER) is an open source SIP server released under GPL, able to handle thousands of call setups per second. Among features: asynchronous TCP, UDP and SCTP, secure communication via TLS for VoIP (voice, video); WebSocket support for...
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FreePBX is a full turn key PBX with GUI. Freeswitch is just the switch and is more similar to Asterisk (what FreePBX runs on under the GUI).