Kamailio Alternatives
Kamailio is described as '® (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' and is an app in the social & communications category. There are more than 10 alternatives to Kamailio for a variety of platforms, including Linux, Windows, Mac, BSD and Self-Hosted apps. The best Kamailio alternative is Asterisk, which is both free and Open Source. Other great apps like Kamailio are 3CX, FreeSWITCH, FreePBX and Yate - Yet Another Telephony Engine.
- Free • Open Source
- 31 Asterisk alternatives
Asterisk is an 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.
License model
- Free • Open Source
Application type
Country of Origin
Canada
Platforms
- Mac
- Linux
- BSD
- Cygwin
- Oracle Solaris
Asterisk Features
- 33 3CX alternatives
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...
License model
- Freemium • Proprietary
Application types
Country of Origin
Cyprus
EU
Platforms
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Self-Hosted
- Microsoft Exchange Server
- Raspberry Pi
- Microsoft Office Suite
3CX Features
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.
License model
- Free • Open Source
Platforms
- Mac
- Windows
- Linux
- BSD
FreeSWITCH Features
- 23 FreePBX alternatives
FreePBX is a web-based open source GUI (graphical user interface) that controls and manages Asterisk (PBX), an open source communication server.
FreePBX Features
Yate is a softswitch (concept of separating the network hardware from network software).
License model
- Free • Open Source
Platforms
- Linux
- Mac
- BSD
- FreeBSD
- Windows
Yate - Yet Another Telephony Engine Features
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
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...
License model
- Free • Open Source
Platforms
- Linux
- BSD
FusionPBX Features
More than a PBX, with Elastix you can communicate with your customers through voice, video and live chat from anywhere. Built-in video conferencing, website live chat and smartphone apps, ensure your agents remain productive through one unified mobile solution.
Elastix Features
uSipSwitch a micro sip switch (sip proxy) perfect for edge SIP SBC work (e.g. hosted PBX business). Comes with web console and DNS health tools. Uses modern clustering NoSQL technology for advanced HA.
License model
- Free • Open Source
Platforms
- Linux
unxsVZ uSIPSwitch Features
License model
- Free • Open Source
Platforms
- Linux
sipXecs Features
License model
- Free • Open Source
Country of Origin
France
EU
Platforms
- Linux
Flexisip Features
VoipSwitch is a SoftSwitch System with routing and billing, with SIP protocol support (in older versions also H323).
License model
- Paid • Proprietary
Platforms
- Windows
VoipSwitch Features