Free Asterisk Alternatives
The best free alternative to Asterisk is 3CX. If that doesn't suit you, our users have ranked more than 25 alternatives to Asterisk and 16 is free so hopefully you can find a suitable replacement. Other interesting free alternatives to Asterisk are RingCentral, FreeSWITCH, FusionPBX and Wazo.
Asterisk alternatives are mainly Phone Systems but may also be Text to Speech Services or Help Desk Apps. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Asterisk.3CX
Is this is a good alternative?YesNo- Freemium • Proprietary
34 3CX alternatives- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Self-Hosted
- Microsoft Exchange Server
- Raspberry Pi
- Microsoft Office Suite
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...
- - 3CX is the most popular Web-based, Windows, Android & Mac alternative to Asterisk.
- - 3CX is the most popular free alternative to Asterisk.
3CX Features
Comments about 3CX as a Alternative to Asterisk
Easy to use, easy to install, feature rich
7It's a soft phone, not a VoIP server / exchange
-21RingCentral
Is this is a good alternative?YesNo- Free Personal • Proprietary
- Phone System
- Video Calling App
- Web Conferencing Tool
96 RingCentral alternatives- Mac
- Windows
- Online
- Android
- iPhone
- iPad
- Web Browser
- Software as a Service (SaaS)
Meet the world's leading cloud phone system — reimagined with powerful intelligence, workflow automation, video, messaging, and more. RingCentral MVP integrates phone, video, meetings, and messaging in one reliable, easy-to-use solution.
- - RingCentral is the most popular SaaS alternative to Asterisk.
RingCentral Features
FreeSWITCH
Is this is a good alternative?YesNo24 FreeSWITCH alternatives- Free • Open Source
- Mac
- Windows
- Linux
- BSD
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.
- - FreeSWITCH is the most popular Open Source alternative to Asterisk.
FreeSWITCH Features
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...
FusionPBX Features
Wazo
Is this is a good alternative?YesNo36 Wazo alternatives- Free • Open Source
- Mac
- Windows
- Linux
- Self-Hosted
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...
Wazo Features
Yate - Yet Another Telephony Engine
Is this is a good alternative?YesNo30 Yate - Yet Another Telephony Engine alternatives- Free • Open Source
- Linux
Yate is a softswitch (concept of separating the network hardware from network software).
Yate - Yet Another Telephony Engine Features
Comments about Yate - Yet Another Telephony Engine as a Alternative to Asterisk
Carrier type services - not targeted as a PBX
0Kamailio® (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...
Kamailio Features
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.
XiVO Features
A SIP based implementation of a PBX / unified communications system.
sipXecs Features
The Voximal stack
Is this is a good alternative?YesNo- Freemium • Proprietary
- Text to Speech Service
22 The Voximal stack alternatives- Linux
- Online
- Self-Hosted
- Raspbian
- Raspberry Pi
- Microsoft Azure
- Docker
The voice phone platform based on Asterisk and FreePBX propulsed by Voximal VoiceXML interpreter.
The Voximal stack Features
SIP proxy server implementation compliant to RFC3261, written in C++11 started in 2011.
Flexisip Features
sipXcom provides complete enterprise-grade telephony, unified messaging, Instant messaging, audio conferencing, and many other features. sipXcom can be run along side your existing Cisco, Avaya, Mitel, Shortel or other PBX while you migrate users to the sipXcom system.
sipXcom Features