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What is Kamailio?

Kamailio® is a powerful open-source SIP server that emerged from the earlier versions of OpenSER and SER, and is released under GPLv2+, designed to efficiently handle thousands of call setups per second. This versatile platform is ideal for building large-scale VoIP systems, facilitating real-time communication, managing presence, supporting WebRTC, enabling instant messaging, and accommodating numerous other applications. Moreover, Kamailio excels in scaling SIP-to-PSTN gateways, PBX systems, and media servers, such as Asterisk™, FreeSWITCH™, or SEMS, with remarkable ease. Its rich feature set encompasses support for asynchronous protocols like TCP, UDP, and SCTP, ensuring secure communication through TLS for voice, video, and text, in addition to compatibility with WebSockets for WebRTC. The server also fully supports both IPv4 and IPv6, offers straightforward instant messaging and presence functionalities via an integrated XCAP server and MSRP relay, and facilitates asynchronous operations effortlessly. Additionally, it includes IMS extensions for VoLTE, ENUM capabilities, along with features for DID and least cost routing, load balancing, and routing failover to enhance reliability. Kamailio's comprehensive suite of accounting, authentication, and authorization features ensures robust security, while it seamlessly integrates with a variety of backend systems such as MySQL, Postgres, Oracle, Radius, LDAP, Redis, Cassandra, MongoDB, and Memcached. With all these advanced capabilities, Kamailio stands out as a highly adaptable solution for contemporary communication infrastructures, making it a preferred choice among developers and organizations alike.

What is FreeRADIUS?

FreeRADIUS is an effective and highly flexible open-source RADIUS solution that includes a server, client library, development libraries, and an array of tools. Recognized as the most commonly used RADIUS server globally, it serves essential functions for major Internet Service Providers and telecommunications firms, while also playing a key role in facilitating eduroam, the international Wi-Fi roaming service tailored for educational institutions. This software supports a wide range of authentication protocols, such as PAP, CHAP, and numerous EAP variants including EAP-TLS, EAP-TTLS, and EAP-PEAP with EAP-MSCHAP. Its modular design allows for customized configurations, enabling conditional request processing, seamless integration with LDAP and SQL databases, and the capacity to execute external scripts. Furthermore, the support for virtual servers helps simplify complex setups and reduces ongoing maintenance costs. FreeRADIUS also supports over 100 vendor-specific attributes, ensuring compatibility with various network access servers, which significantly contributes to its widespread use across different environments. With its extensive features and adaptability, FreeRADIUS remains an essential tool for network authentication and management.

Media

Media

Integrations Supported

360 Monitoring
Apache Cassandra
Asterisk
C
Fonimo
FreeSWITCH
LDAP
MongoDB
MySQL
Oracle Cloud Infrastructure
PostgreSQL
Radius
Redis
Unimus
memcached

Integrations Supported

360 Monitoring
Apache Cassandra
Asterisk
C
Fonimo
FreeSWITCH
LDAP
MongoDB
MySQL
Oracle Cloud Infrastructure
PostgreSQL
Radius
Redis
Unimus
memcached

API Availability

Has API

API Availability

Has API

Pricing Information

Pricing not provided.
Free Trial Offered?
Free Version

Pricing Information

Free
Free Trial Offered?
Free Version

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Company Facts

Organization Name

Kamailio

Date Founded

2001

Company Location

United States

Company Website

www.kamailio.org/w/

Company Facts

Organization Name

FreeRADIUS

Date Founded

2018

Company Location

United States

Company Website

www.freeradius.org

Categories and Features

PBX

Telephony

Auto-Dialer
Call Center Management
Call Monitoring
Contact Management
IVR / Voice Recognition
Inbound Reporting
Outbound Reporting
Predictive Dialer
Telemarketing Management
VoIP
Voice & Data Integration

Categories and Features

Authentication

Biometric
Credential Management
Knowledge-Based Authentication
Mobile Authentication
Multifactor Authentication
Out-of-Band Authentication
Policy Management
Self Service Portal
Single Sign On
Social Sign On

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