3CX is described as 'Software-based, open standards IP PBX that offers complete Unified Communications, out of the box' and is a web conferencing tool in the social & communications category. There are more than 25 alternatives to 3CX for a variety of platforms, including Linux, Windows, Mac, Web-based and Android apps. The best 3CX alternative is Thirdlane Connect. It's not free, so if you're looking for a free alternative, you could try Asterisk or FreePBX. Other great apps like 3CX are Thirdlane Multi Tenant PBX, FreeSWITCH, YakYak and Yate - Yet Another Telephony Engine.
With a superbly designed and intuitive user interface, the softphone offers easy set up with lots of preconfigured VoIP providers built in and smart call management features. Enjoy high quality enterprise communication features with zero effect on battery life.
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.
VoipStunt is a free program that uses the latest technology to bring free and high-quality voice communications to people all over the world. When you use the free VoipStunt software, you can call regular phones in various popular destinations for free or call at an incredible...
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.
A robust SIP/H.323/WebRTC softswitch for Windows with a long list of features including PBX and billing.
sipXcom provides complete enterprise-grade telephony, unified messaging, Instant messaging, audio conferencing, and many other features.
we-talk is ultimate free web based application for group video call or one to one call, secured messaging and more modern.
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.
United Kingdom
France
EU
Czechia
Luxembourg
Romania
United States
