FreeSWITCH vs Flexisip

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

FreeSWITCH is a Network & Admin solution with tags like telephony, voip, pbx, sip, webrtc.

It boasts features such as 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 pros including Free and open source, Highly scalable and customizable, Supports wide range of use cases, Active community support, Available on multiple platforms.

On the other hand, Flexisip is a Social & Communications product tagged with sip, voip, messaging, linux.

Its standout features include SIP registrar and proxy server, Presence and instant messaging, Audio/video calls, NAT traversal, Encryption via TLS and SRTP, Customizable via Lua scripts, Modular architecture, Scalable for large deployments, and it shines with pros like Open source and free, Lightweight and fast, Very customizable and extensible, Good documentation, Active development community.

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.

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:
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


Flexisip

Flexisip

Flexisip is an open-source SIP server for Linux that provides voice, video, and instant messaging features. It is designed to be lightweight, customizable, and scalable for deploying SIP infrastructure.

Categories:
sip voip messaging linux

Flexisip Features

  1. SIP registrar and proxy server
  2. Presence and instant messaging
  3. Audio/video calls
  4. NAT traversal
  5. Encryption via TLS and SRTP
  6. Customizable via Lua scripts
  7. Modular architecture
  8. Scalable for large deployments

Pricing

  • Open Source

Pros

Open source and free

Lightweight and fast

Very customizable and extensible

Good documentation

Active development community

Cons

Limited adoption so far

Steep learning curve

Not as feature rich as commercial options

Requires more technical expertise to setup and manage