FreePBX vs Kamailio

Struggling to choose between FreePBX and Kamailio? Both products offer unique advantages, making it a tough decision.

FreePBX is a Business & Commerce solution with tags like voip, pbx, asterisk, telephony.

It boasts features such as Web-based GUI for managing Asterisk, Extension management, Voicemail, Call routing, IVR, Call recording, Call reporting, Fax server, Conferencing and pros including Free and open source, Easy to use graphical interface, Active development community, Highly customizable, Supports a wide range of telephony features.

On the other hand, Kamailio is a Social & Communications product tagged with sip, voip, realtime-communications, call-routing, policy-enforcement, media-handling, accounting, authorization, presence, instant-messaging.

Its standout features include SIP proxy and registrar server, Presence and instant messaging, Load balancing and failover, NAT traversal, Media relaying, Accounting and billing, Flexible routing and policy enforcement, Modular architecture with extensive API, and it shines with pros like Open source and free, Highly scalable and performant, Rich feature set for VoIP, Active community support, Modular and customizable, Supports wide range of SIP devices and clients.

Feature	FreePBX	Kamailio
Overall Score	N/A	N/A
Primary Category	Business & Commerce	Social & Communications

Product Overview

FreePBX

Description: FreePBX is an open source web-based GUI that controls and manages Asterisk, an open source communication server. It enables managing extensions, voicemail, call routing, IVRs, and other PBX features through a web browser.

Kamailio

Description: Kamailio is an open source SIP server used for VoIP and real-time communications. It handles call routing, policy enforcement, media handling, accounting, and authorization with support for presence and instant messaging.

Key Features Comparison

FreePBX Features

• Web-based GUI for managing Asterisk
• Extension management
• Voicemail
• Call routing
• IVR
• Call recording
• Call reporting
• Fax server
• Conferencing

Kamailio Features

• SIP proxy and registrar server
• Presence and instant messaging
• Load balancing and failover
• NAT traversal
• Media relaying
• Accounting and billing
• Flexible routing and policy enforcement
• Modular architecture with extensive API

Pros & Cons Analysis

FreePBX

Pros

• Free and open source
• Easy to use graphical interface
• Active development community
• Highly customizable
• Supports a wide range of telephony features

Cons

• Can have a steep learning curve
• Requires Linux server and Asterisk
• Limited official support options
• Some advanced features require paid modules

Kamailio

Pros

• Open source and free
• Highly scalable and performant
• Rich feature set for VoIP
• Active community support
• Modular and customizable
• Supports wide range of SIP devices and clients

Cons

• Steep learning curve
• Requires expertise to setup and manage
• Not as user friendly as commercial options
• Limited official support and documentation

Pricing Comparison

FreePBX

• Open Source

Kamailio

• Open Source