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FreeSWITCH VS Kamailio

Compare FreeSWITCH VS Kamailio and see what are their differences

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FreeSWITCH logo 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.

Kamailio logo Kamailio

Kamailio® (successor of former OpenSER and SER) is an open source SIP server released under...
  • FreeSWITCH Landing page
    Landing page //
    2023-09-13
  • Kamailio Landing page
    Landing page //
    2021-10-08

FreeSWITCH videos

+ Add

FreeSWITCH Explained

More videos:

  • Review - ClueCon Weekly - Feb 10, 2016 - FreeSWITCH Team - Year in Review

Kamailio videos

+ Add

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 FreeSWITCH and Kamailio)

FreeSWITCH

Kamailio

Communication
64 64%
Communication
36% 36
VoIP
63 63%
VoIP
37% 37
Enterprise Communication
63 63%
Enterprise Communication
37% 37
Tool
52 52%
Tool
48% 48

User comments

Share your experience with using FreeSWITCH and Kamailio. For example, how are they different and which one is better?
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Social recommendations and mentions

Based on our record, FreeSWITCH seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

FreeSWITCH mentions (1)

  • Ask HN: What is the best privacy focussed video doorbell?
    I thought FREESwitch was the new hotness in PBX software? https://freeswitch.com/. - Source: Hacker News / over 2 years ago

Kamailio mentions (0)

We have not tracked any mentions of Kamailio yet. Tracking of Kamailio recommendations started around Mar 2021.

What are some alternatives?

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

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

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

FusionPBX - FusionPBX is an open source FreeSWITCH GUI.

3CX Phone System - 3CXPhone is a free VoIP phone available for Windows, iPhone or any Android based smart phone such...

Wazo.io - The UCaaS Platform Built for MSPs​

VitalPBX - VitalPBX is a full-feature PBX (phone system) based on Linux and Asterisk.

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