Top 8 3CX alternatives

Last updated: March 21, 2018
3CX
3CX Phone System for Windows is a software-based IP PBX that replaces a proprietary hardware PBX / PABX. 3CX’s IP PBX has been developed specifically for Microsoft Windows and is based on the SIP standard, making it easier to manage and allowing you to use any SIP phone (software or hardware).
The best 3CX alternatives:


Asterisk


An open source telephony switching and private branch exchange service for Linux. Information on downloading, installation of and support for the product. Asterisk is like a box of Legos for people who want to create communications applications. It includes all the building blocks needed to create a PBX, an IVR system, a conference bridge and virtually any other communications app you can imagine.

FreePBX


FreePBX is a web-based open source GUI (graphical user interface) that controls and manages Asterisk (PBX), an open source communication server. FreePBX is licensed under the GNU General Public License (GPL), an open source license.

Microsoft Lync


Microsoft Lync (formerly Microsoft Office Communicator) and Microsoft Lync for Mac are instant messaging clients used with Microsoft Lync Server or Lync Online available with Microsoft Office 365. Basic features include instant messaging, Voice Over IP and Video Conferencing inside the client software.

ShoreTel


Brilliantly simple VoIP, PBX and mobile solutions tailored to your phone system needs. Designed from the ground up to simplify phone system administration and delight users, ShoreTel’s PBX phone solution software runs on our solid state appliances or virtualized on your servers, and is ideal for organizations that want hands-on control. For companies that want to get out of the business of running a phone system, our end-to-end business VoIP phone system is packed with phones and features that help you become more efficient, more mobile and more productive than with any alternative solution.

Fonality


Fonality is a business phone system that's more than just talk. We help clients sell, service, and collaborate with ease. It has never been easier to enhance how you sell, service, and collaborate. Call, email, chat, video, web conference, you name it, we got it. And no one will see what's under the desk.