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, co
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FreeSWITCH: Open Source Telephony Platform

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.

What is FreeSWITCH?

FreeSWITCH is an open source telephony platform and switching engine that enables the creation of voice, chat, and video applications, including PBX systems, voicemail services, conference calling, and contact center solutions. Released under the Mozilla Public License, FreeSWITCH is free to download, use, and modify.

Some key features and capabilities of FreeSWITCH include:

  • Scalable architecture - Designed to handle thousands of concurrent calls on commodity hardware
  • Modular design - Customizable with modules for additional functionality
  • Multi-Platform - Runs on Linux, macOS, Windows, BSD variants, and more
  • Extensive telephony feature set - Call control, call routing, IVR, conferencing, transcoding, and more
  • APIs for call control integration - Enables integration with web apps and custom development
  • Supports a wide range of audio codecs and video codecs
  • Interoperability with SIP and other VoIP protocols

FreeSWITCH is used globally by businesses, carriers, and hobbyists to power all kinds of voice, fax, and video communication solutions both on-premise or in the cloud. Its high performance and flexibility makes FreeSWITCH suitable for anything from a simple conference server to a complex multi-tenant PBX system.

FreeSWITCH Features

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


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