Kamailio vs FreeSWITCH

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

Kamailio is a Social & Communications solution with tags like sip, voip, realtime-communications, call-routing, policy-enforcement, media-handling, accounting, authorization, presence, instant-messaging.

It boasts features such as 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 pros including 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.

On the other hand, FreeSWITCH is a Network & Admin product tagged with telephony, voip, pbx, sip, webrtc.

Its standout features include Open source, Supports multiple protocols like SIP, WebRTC, PSTN, Scalable and modular architecture, APIs for call control and management, Audio codecs like G.711, G.722, G.729, Opus, Speex, Video codecs like H.264, VP8, Conference calling and bridging, Call recording and monitoring, IVR and text-to-speech capabilities, Real-time call detail records, and it shines with pros like Free and open source, Highly scalable and customizable, Supports wide range of use cases, Active community support, Available on multiple platforms.

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.

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:
Social & Communications Voip Software
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

FreeSWITCH

FreeSWITCH

FreeSWITCH is an open source telephony platform designed to facilitate the creation of voice and chat driven products scaling from a softphone to a PBX and even up to an enterprise-class softswitch. It can be used to power PBX solutions, voicemail services, conference calling, contact center solutions and more.

Categories:
Network & Admin Communication Platforms
telephony voip pbx sip webrtc

FreeSWITCH Features

  1. Open source
  2. Supports multiple protocols like SIP, WebRTC, PSTN
  3. Scalable and modular architecture
  4. APIs for call control and management
  5. Audio codecs like G.711, G.722, G.729, Opus, Speex
  6. Video codecs like H.264, VP8
  7. Conference calling and bridging
  8. Call recording and monitoring
  9. IVR and text-to-speech capabilities
  10. Real-time call detail records

Pricing

  • Open Source

Pros

Free and open source

Highly scalable and customizable

Supports wide range of use cases

Active community support

Available on multiple platforms

Cons

Steep learning curve

Requires expertise to setup and manage

Limited built-in features compared to commercial PBXs

Lacks polished admin interface