Software Alternatives & Reviews

Flexisip VS Kamailio

Compare Flexisip VS Kamailio and see what are their differences

Flexisip logo Flexisip

SIP proxy server implementation compliant to RFC3261, written in C++11 started in 2011.

Kamailio logo Kamailio

Kamailio® (successor of former OpenSER and SER) is an open source SIP server released under...
  • Flexisip Landing page
    Landing page //
    2021-10-18
  • Kamailio Landing page
    Landing page //
    2021-10-08

Flexisip videos

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Kamailio videos

SIP over WebSockets and Load Balancing on Kamailio

More videos:

  • Review - Kamailio World 2019: Past Year In Review
  • Review - Kamailio - The OS framework to build your own VoIP service - Daniel-Constantin Mierla-FOSSASIA 2018

Category Popularity

0-100% (relative to Flexisip and Kamailio)
Communication
28 28%
72% 72
VoIP
24 24%
76% 76
Enterprise Communication
23 23%
77% 77
Tool
52 52%
48% 48

User comments

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What are some alternatives?

When comparing Flexisip and Kamailio, you can also consider the following products

Asterisk - An open source telephony switching and private branch exchange service for Linux.

FreeSWITCH - FreeSWITCH is an open-source media application designed to support popular protools such as SIP and WebRTC and provides a platform to develop voice and video applications.

FusionPBX - FusionPBX is an open source FreeSWITCH GUI.

Wazo.io - The UCaaS Platform Built for MSPs​

freepbx - FreePBX is a web-based open source GUI that controls and manages Asterisk (PBX).

miniSIPServer - Social & Communications and Development