Asterisk is described as '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' and is an app in the social & communications category. There are more than 25 alternatives to Asterisk for a variety of platforms, including Linux, Windows, Web-based, Mac and SaaS apps. The best Asterisk alternative is 3CX, which is free. Other great apps like Asterisk are FreeSWITCH, Thirdlane Multi Tenant PBX, FreePBX and Wazo.
3CX is a software-based, open standards IP PBX that offers complete Unified Communications, out of the box.
Offers a free trial period, after with you need to upgrade to paid subscription.
It's a soft phone, not a VoIP server / exchange
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.
Thirdlane® Multi Tenant PBX Platform is a reliable, cost-effective Unified Communications software widely used by MSPs, UCaaS providers, resellers and enterprises around the World.
FreePBX is a web-based open source GUI (graphical user interface) that controls and manages Asterisk (PBX), an open source communication server.
Its a very user friendly Interface which is very easy for beginners to understand
FreePBX operates in tandem with Asterisk, not independent of it.
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...
Yate is a softswitch (concept of separating the network hardware from network software).
Carrier type services - not targeted as a PBX
Thirdlane® Business Phone System stands as an advanced IP PBX and Unified Communications solution, designed for both on-premises and cloud deployment.
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.
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.
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...
Future proof your business communications with the pascom cloud phone system - the easy-to-use, all-in-one cloud phone system for your business.
Acefone is a UK-based hosted phone system and cloud communication provider that can help you to streamline your business communication & customer service operations.
Cyprus
EU
United States
France
Germany
Easy to use, easy to install, feature rich