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== Home ==
== Home ==
[[http://www.freeswitch.org HOME]]
[[http://www.freeswitch.org HOME]]

Revision as of 23:41, 21 July 2014

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Help us convert these wiki pages to confluence, email wking@freeswitch.org for an account on the sandbox, FreeSWITCH Confluence.

Welcome to the community documentation wiki for FreeSWITCH, a telephony construction kit for building everything from softphones to full Class 5 switches. You can embed FreeSWITCH into a soft- (or hard-) phone or OpenWRT router, hook it to PRI circuits through FreeTDM and hardware interfaces such as the Sangoma A100 line, or use it to build an office PBX phone system -- from scratch, or using packaged add-ons like FusionPBX.


FreeSWITCH has a large and active development community, mailing lists and an IRC channel, an annual convention, and more. It's licensed under the MPL; the Mozilla Public License.

Which version should I use?

For current installation instructions, please refer to the new FreeSWITCH documentation at https://confluence.freeswitch.org/display/FREESWITCH/Installation

See the Download & Installation Guide.

If you'd like to see an overview of the features & fixes in the stable versions click here.


New Users - Start Here

Weekly Conference Calls

Upcoming call - Wednesday, October 16th, 2013 (Conf Call Main Page)

Application Examples

  • Gino's Pizza: Uses PocketSphinx, an open source speech recognition engine developed by Carnegie Mellon.
  • JavaScript Conference IVR: Advanced custom implementation of FreeSWITCH conferencing features using JavaScript.
  • Ham Radio Integration: Interfacing radio devices to FreeSWITCH (ham, commercial and unlicensed)
  • PBXMate Integration: Integrating with SoliCall's PBXMate to improve audio quality.

FreeSWITCH™ Architecture

Feature Documentation

Contributing to FreeSWITCH™

FreeSWITCH™ is run by a non-profit corporation OSTAG, the Open Source Telephony Advancement Group. FreeSWITCH™ is made possible through donations from corporations and individuals alike. Donations help keep the project going. You can donate by clicking the donate button on the left.


What Is FreeSWITCH™?

FreeSWITCH™ is an open source communications platform written in C from the ground up. Licensed under the MPL 1.1 and running natively on Windows, Mac OS X, Linux, *BSD, and other Unix flavors, potential users are given many choices on how and where to run the software.

With a desire to not reinvent the wheel, we've designed FreeSWITCH to take advantage of as many existing software libraries as possible. It has a modular, extensible architecture, with only limited and necessary functionality in its core. Optional modules can be employed to add virtually any functionality desired by the user.

  • Default implementation is for a PBX or Softswitch.
    • The core (libfreeswitch) can be embedded into almost any app that can use a .so or .dll.
    • Transform it into a softphone, PBX, soft-switch or anything in between.
  • Module system allows you to extend FreeSWITCH easily.
  • Handles thousands of concurrent channels with media on a standard PC.
  • Interoperates with many different products and protocols.
    • Such as GNU Bayonne, Yate, sipXecs or Asterisk.
    • Supports SIP, SCCP, H.323, LDAP, Zeroconf, XMPP / Jingle, etc.
    • With FreeTDM, a BSD licensed TDM abstraction library, it can interface with the PSTN as well.
  • Supports Secure RTP (SRTP) and zRTP (libzrtp).
  • Please see the complete Feature list for more features.

Top Links: Spec Sheet | Documentation Guidelines | Installation Guide | Getting Started Guide | Reporting Bugs | Documentation Feedback


Newspaper.jpg Learn about the different aspects of FreeSWITCH™, from What's New to the Current Status, FreeSWITCH™ Project News and even when FreeSWITCH™ is in the news.

Community and Support

Chat icon.gif
  • Help us edit our Wiki! Wiki editing / wiki feedback: Wiki Guide.
  • Freeswitch-ES First FreeSWITCH Spanish Community
  • freeswitch-users user mailing list (Learn how to ask smart questions before posting!)
  • freeswitch-dev developer mailing list
  • IRC Chat - irc.freenode.org, channels: #freeswitch, #freeswitch-dev, #freeswitch-social, #freeswitch-docs, #freeswitch-web, #freeswitch-de, #freeswitch-es, #freeswitch-fr, #freeswitch-pl, #freetdm
  • freeswitch-ru FreeSWITCH Russian Google group & Jabber conference freeswitch@conference.jabber.ru (обсуждение на русском)
  • freeswitch.ru FreeSWITCH Russian wiki and forum
  • freeswitch.de German FreeSWITCH site
  • FreeSWITCH-CN Non-official FreeSWITCH Chinese community
  • FreeSWITH-VoIP88 FreeSWITCH Chinese wiki and forum
  • IRC en français - irc.geeknode.net channel #freeswitch or irc.freenode.net channel #freeswitch-fr
  • Voice Conference
    • SIP: 888@conference.freeswitch.org
    • H.323: 888@conference.freeswitch.org
    • IAX: guest@conference.freeswitch.org/888
    • Google Talk/Jingle: 888@conference.freeswitch.org
    • PSTN: +1-989-386-9900 or +44-3300-100-295


  • Need a feature or functionality that's not listed? Then put your money where your mouth is and help finance the project! Click here for to view or post your bounty.
  • Are you a programmer who wants to build something, but are looking for someone to sponsor the idea? Please add it to the bounty challenged ideas list.