Alternatives to Asterisk for all platforms with any license

Wazo

Wazo is a unified communications platform based on Asterisk and focused on extensibility.

Free Open Source Mac Windows Linux Self-Hosted
Extensible by Plugins/Extensions Add a feature

5 Like
FreeSWITCH

FreeSWITCH is a scalable open source cross-platform telephony platform designed to route and interconnect popular communication protocols using audio, video, text or any...

Free Open Source Mac Windows Linux BSD
No features added Add a feature

13 Like
3CX Phone System

3CXPhone is a free VoIP phone available for Windows, iPhone or any Android based smart phone such as Google Nexus, Sony Xperia, Motorola Droid or Samsung Galaxy. Connect...

Freemium Windows Android iPhone
No features added Add a feature

8 Like
- Easy to use, easy to install, feature rich Guest • Dec 2016 • 4 agrees and 2 disagrees
- It's a soft phone, not a VoIP server / exchange Guest • Sep 2017 • 3 agrees and 5 disagrees
Talkie.io

Free Click to Call. Receive web calls from your site free. Talkie is a free service to communicate with your customers visiting your website. Always free.

Free Mac Windows Linux
Click to call CRM Voice Call Add a feature

7 Like
Starfish PBX

Starfish PBX aims to be an open source alternative to Digium’s Switchvox. The goal is to have a software equivalent to which we can add additional functionality like: ...

Free Open Source Linux
No features added Add a feature

2 Like
XiVO

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...

Free Open Source Mac Windows Linux
No features added Add a feature

4 Like
Kamailio

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:...

Free Open Source Linux
No features added Add a feature

2 Like
RingCentral

RingCentral delivers high quality, reliability and value that's expected by enterprise businesses through RingCentral Office, an all-inclusive cloud phone system...

Commercial Mac Windows Android iPhone
Unified messaging Add a feature

2 Like
Voxibot the Voximal stack

The voice phone bot platform based on Asterisk and FreePBX propulsed by the Voximal VoiceXML interpreter.

Freemium Linux Web Self-Hosted Amazon Raspbian ... Raspberry Pi Microsoft Azure Docker
Chat Bot IVR Natural Language Processing Speech Recognition ... Text to Speech Voice recognition Add a feature

2 Like
FusionPBX

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...

Free Open Source Linux BSD
No features added Add a feature

3 Like
Yate - Yet Another Telephony Engine

Yate is a softswitch (concept of separating the network hardware from network software). It supports VoIP protocols: H.323, SIP, IAX1, IAX2, RTP. For the plain old...

Free Open Source Linux
No features added Add a feature

7 Like
- Carrier type services - not targeted as a PBX Guest • Feb 2017
sipXcom

sipXcom provides complete enterprise-grade telephony, unified messaging, Instant messaging, audio conferencing, and many other features.

Free Open Source Linux
Conference Bridging Integrated Chat Add a feature

9 Like
Zent.io

Zent.io is a Contact Center Cloud Software Multichannel that unify chat, phone and e-mail. All the communication channels will be answered from a single interface. The...

Commercial $ $ $ Mac Windows Linux Web
Call recording Knowledge base Real time collaboration Add a feature

32 Like
VoipSwitch

VoipSwitch is a SoftSwitch System with routing and billing, with SIP protocol support (in older versions also H323). Basic package includes softswitch app, IVR app...

Commercial Windows
Call recording IVR Add a feature

1 Like
sipXecs

A SIP based implementation of a PBX / unified communications system.

Free Open Source Linux
No features added Add a feature

3 Like