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.

To help you make an informed decision, we've compiled a comprehensive comparison of these two products, delving into their features, pros, cons, pricing, and more. Get ready to explore the nuances that set them apart and determine which one is the perfect fit for your requirements.

FreePBX

FreePBX

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.

Categories:
voip pbx asterisk telephony

FreePBX Features

  1. Web-based GUI for managing Asterisk
  2. Extension management
  3. Voicemail
  4. Call routing
  5. IVR
  6. Call recording
  7. Call reporting
  8. Fax server
  9. Conferencing

Pricing

  • Open Source

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

Kamailio

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.

Categories:
sip voip realtime-communications call-routing policy-enforcement media-handling accounting authorization presence instant-messaging

Kamailio Features

  1. SIP proxy and registrar server
  2. Presence and instant messaging
  3. Load balancing and failover
  4. NAT traversal
  5. Media relaying
  6. Accounting and billing
  7. Flexible routing and policy enforcement
  8. Modular architecture with extensive API

Pricing

  • Open Source

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