FreeSWITCH

FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application

Introduction

Supported Platforms

Freeswitch has been built on the following platforms:

• Linux (x86 & x86_64)
• Windows (MSVC 2012/2013 & VC++ EE 2012/2013)
• Mac OS X 10.7/10.8/10.9 (x86_64 Intel)
• FreeBSD 8/9/10
• NetBSD 6.x
• OpenBSD 5.x

Dependencies

Freeswitch makes heavy use of external libraries.

libFreeSWITCH:

• APR (http://apr.apache.org)
• APR-Util (http://apr.apache.org)
• SQLite (http://www.sqlite.org)
• Pcre (http://www.pcre.org/)
• SRTP (http://srtp.sourceforge.net/srtp.html)

Additionally, the various external modules make use of several external modules:

ASR/TTS mod_cepstral

• Cepstral (commercial) (http://www.cepstral.com/)

mod_flite

• Flite (http://www.speech.cs.cmu.edu/flite/)

mod_pocketsphinx

• PocketSphinx (http://www.speech.cs.cmu.edu/pocketsphinx/)

mod_unimrcp

• MRCP (http://www.unimrcp.org/)

Codecs mod_amr

• Passthru codec for amr narrowband (8kHz)

mod_amrwb

• Passthru codec for amr wideband (16kHz)

mod_b64

• Base64 codec tranfers data base64 encoded (http://www.b64codec.org)

mod_bv

• BroadVoice16 (8kHz) and BroadVoice32 (16kHz) (https://www.broadcom.com/support/broadvoice)

mod_codec2

• Codec2 is an open source low bit rate speech at 2400 bit/s and below. (http://www.rowetel.com/blog/?page_id=452)

mod_speex

• libspeex (http://www.speex.org/)

mod_siren

• libg722_1 (http://www.polycom.com/company/about_us/technology/siren22/index.html)

Digital Signal Processing mod_spandsp

• codec, fax and modem (http://www.soft-switch.org/)

Directories mod_ldap

• openldap (*nix only http://www.openldap.org/)

Endpoints mod_portaudio

• portaudio (http://www.portaudio.com/)

mod_dingaling

• libdingaling (internal library distributed with freeswitch which depends on)
• APR (http://apr.apache.org)
• iksemel (http://iksemel.jabberstudio.org/)

mod_sofia

• sofia-sip (http://opensource.nokia.com/projects/sofia-sip/)

mod_opal

• libopal (http://www.opalvoip.org)

mod_freetdm

• freetdm (http://wiki.freeswitch.org/wiki/FreeTDM)

Event Hanlders mod_xmpp_event

• iksemel (http://iksemel.jabberstudio.org/)

Formats mod_sndfile

• libsndfile (http://www.mega-nerd.com/libsndfile/)

Languages mod_perl

• perl (http://www.perl.org/)

mod_lua

• lua (http://www.lua.org)

XML interfaces mod_xml_rpc

• xmlrpc-c (http://xmlrpc-c.sourceforge.net/)

mod_xml_curl

• libcurl (http://curl.haxx.se/)

Network services mod_http

• Abyss (http://www.aprelium.com/)

mod_enum

• udns (http://www.corpit.ru/mjt/udns.html)

Licensing

Freeswitch is licensed under the terms of the MPL 1.1