FreeSWITCH vs Asterisk : Which is Better?

FreeSWITCH icon

FreeSWITCH

FreeSWITCH is a free and open source application server for real-time communication, WebRTC, telecommunications, video and Voice over Internet Protocol (VoIP).

License: Open Source

Apps available for Mac OS X Windows Linux BSD

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Asterisk icon

Asterisk

Asterisk is a open source communications project that lets you create telephony apps for IP PBXs, VoIP Gateways, etc. Developed by digium

License: Open Source

Apps available for Mac OS X Windows Linux

FreeSWITCH VS Asterisk

Asterisk is a well-established open-source PBX system known for its flexibility and extensive community, making it suitable for smaller to medium-sized deployments. FreeSWITCH, on the other hand, is designed for larger-scale applications with advanced features and modular capabilities, making it ideal for complex communication systems.

FreeSWITCH

Pros:

  • Scalable for large deployments
  • Highly modular architecture
  • Advanced features like video conferencing and SIP trunking
  • Strong support for real-time communication
  • Rich set of APIs for developers

Cons:

  • Steeper learning curve than Asterisk
  • Can be resource-intensive
  • Less community support compared to Asterisk

Asterisk

Pros:

  • Open source and free to use
  • Highly flexible and customizable
  • Supports a wide range of protocols
  • Strong community support and documentation
  • Wide range of applications and integrations

Cons:

  • Can be complex to configure for beginners
  • Limited out-of-the-box features
  • Performance can degrade with heavy load

Compare FreeSWITCH

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Compare Zent.IO and FreeSWITCH and decide which is most suitable for you.