Open Source VOIP Software

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Open Source VOIP applications, both clients and servers.

Open source means all source code is available!! Do not post any "free but not open" software here!

SIP Proxies


  • JAIN-SIP Proxy
  • Mini-SIP-Proxy A very tiny perl POE based SIP proxy
  • MjServer cross-platform SIP proxy/registrar/redirect, written in java, based on MjSip stack
  • MySIPSwitch SIP Proxy server which allows using multiple SIP accounts with a single SIP login
  • NethidPro3.0.6 Opensource Sip Encryption Bridge: www.vonets.com
  • Net-SIP A Perl SIP framework that includes a stateless proxy
  • OpenJSIP Opensource distributed standalone SIP proxy, SIP registrar, SIP location service run by Java VM. Based on NIST SIP and derived from JAIN-SIP Proxy.
  • OpenSBC: MPL licensed SIP proxy/registrar/B2BUA with NAT traversal and ENUM
  • OpenSER: GPL SIP Server with TLS support - renamed to Kamailio
  • OpenSIPS forked from OpenSER.
  • partysip SIP proxy server
  • repro from the reSIProcate project fully implements Federated VoIP and has a built-in web UI for quick setup
  • REMWAVE Calamar Cross-platform high performance SIP proxy written in Java
  • SaRP SIP and RTP Proxy in Perl
  • SIP Express Router (SER): the SIP router/proxy/jack-in-all-trades from IPtel.org
  • Siproxd SIP and RTP Proxy
  • SIPVicious tool suite: tools for auditing sip devices
  • sipX The SIP PBX for Linux: Complete, native SIP PBX solution from SIPfoundry
  • Vocal SIP softswitch with H.323 and MGCP translators for non-SIP endpoints
  • Yxa Written in the Erlang programming language
  • CRM INtegration Proxy Open Source program writen on java. based on MJ SIP lib Proxy for Call-Centers solutions
  • Clearwater - open source IMS (IP Multimedia Subsystem) implementation designed for massively scalable deployment in the Cloud - SIP routing components built on PJSIP

SIP Clients (UA's)

Android clients:

  • Brief Msg is simple SIP messenger.
  • Lumicall is a heavily enhanced derivative of SIPdroid, adding support for ZRTP, SRTP, ENUM, ICE/TURN
  • SIPdroid is a basic SIP dialer for Android, based on the MjSIP stack in Java
  • CSIPSimple is an alternative SIP dialer for Android, based on the PJSIP C-implementation of SIP/RTP
  • ENUMdroid is an ENUM lookup tool for Android's dialer, it relies on the user having some other softphone installed to make the call over SIP or Jabber
  • Sipmobile is an opensource VoIP client for Android. Supports OPUS and VP8 codecs, Google push notifications, picture sharing. Setting are optimized for use with sipmobile.org domain. Can be used with another proxies.


Linux clients:

  • Baresip Portable SIP useragent with Video support
  • Blink: It supports wideband VoIP (Opus codec), Chat, File Transfer and Multiparty conferencing based on MSRP protocol
  • Cockatoo
  • Ekiga || SIP, H.323 audio and video softphone for various linux, solaris, windows, and various unix systems. Formerly GnomeMeeting
  • FreeSWITCH: Console client for SIP, IAX2, Woomera and Jingle/Google Talk
  • Jitsi (formerly SIP Communicator) Audio/Video phone and messenger with end-to-end encryption through ZRTP - Multiplatform - Open Source (also supports XMPP, MSN, AIM, Yahoo! and others).
  • Kphone
  • Homer - live conferencing and more: free cross-platform video conferencing software, supporting unlimited amount of participants in a video/audio conference
  • Linphone audio and video SIP softphone for Linux and Windows XP
  • minisip cross-platform SIP softphone, Linux, Windows XP and soon Windows Mobile 2003 SE
  • MUVConf cross-platform SIP multi-user video conference. See demo video. Download from code.google.com
  • MjUA: simple cross-platform SIP softphone, written in java, based on MjSip stack
  • Open IP Phone Business IP Phone sdk support, ims compliant, good interoperability.
  • OpenSIPStack MPL licensed SIP stack with ENUM, Presence (XMPP/SIMPLE) and NAT traversal. Reference implementation of Session Border Controller (OpenSBC) available.
  • OpenSoftphone: A simple Java based SIP softphone using the PjSip-jni wrapper.
  • OpenZoep: GPL telephone and IM messaging client engine
  • Peers Minimalist SIP softphone written in java (tested on linux and windows)
  • PhoneGaim
  • PJSUA: Command line SIP UA with SIMPLE, IM, call transfer, RTCP/RTCP, etc.
  • QuteCom ex-OpenWengo: a fully SIP compliant multiplatform softphone with many features
  • SFLphone, open-source multiplatform multi-protocol VoIP client
  • Shtoom: SIP softphone in Python, runs on Windows, Mac, Linux
  • SipToSis from mhspot.com Skype SIP UA - Multiplatform - Open Source
  • sipXezPhone ("sipX easy phone") from SIPfoundry based on sipXtapi
  • sipXphone from SIPfoundry, previously known as the Pingtel phone
  • Twinkle
  • YateClient is multiprotocol and multiplatform softphone with H.323, SIP, Jingle and IAX support.
  • YeaPhone: A SIP softphone for the Yealink USB-P1K handset based on the libLinphone backend
  • CRM Integration Client Open Source program writen on java. based on MJ SIP and SIP-Communicator for Call-Centers solutions

MacOS X clients:

  • Blink: It supports wideband VoIP, Instant Messaging, File Transfer and Desktop Sharing based on MSRP
  • FreeSWITCH: Console client for SIP, IAX2, Woomera and Jingle/Google Talk
  • Jitsi (formerly SIP Communicator) Audio/Video phone and messenger with end-to-end encryption through ZRTP - Multiplatform - Open Source (also supports XMPP, MSN, AIM, Yahoo! and others).
  • PJSUA: Command line SIP UA with SIMPLE, IM, call transfer, RTCP/RTCP, etc.
  • QuteCom ex-OpenWengo: a fully SIP compliant multiplatform softphone with many features
  • SFLphone, open-source multiplatform multi-protocol VoIP client
  • Shtoom: SIP softphone in Python, runs on Windows, Mac, Linux
  • SipToSis from http://www.mhspot.com Skype SIP UA - Multiplatform - Open Source
  • Telephone: A SIP softphone designed for the Mac (written in Objective-C/Cocoa). Very good integration with Mac OSX : Dial from Addressbook, dial tel: URIs from Safari, notifications with Growl.
  • YateClient skinnable VoIP client based on QT library which supports H.323, SIP, Jingle and IAX protocols
  • REMWAVE Communicator OS X Open source SIP phone for OS X. Based on PJSIP library, scriptable with Apple Script and address book integration.

Windows clients

  • Blink: It supports wideband VoIP (Opus codec), Chat, File Transfer and Multiparty conferencing based on MSRP protocol
  • Brief Msg is simple SIP messenger.
  • Ekiga || SIP, H.323 audio and video softphone for various linux, solaris, windows, and various unix systems. Formerly GnomeMeeting
  • FreeSWITCH: Console client for SIP, IAX2, Woomera and Jingle/Google Talk
  • Homer - live conferencing and more: free cross-platform video conferencing software, supporting unlimited amount of participants in a video/audio conference
  • Jitsi (formerly SIP Communicator) Audio/Video phone and messenger with end-to-end encryption through ZRTP - Multiplatform - Open Source (also supports XMPP, MSN, AIM, Yahoo! and others).
  • JPhone Rich software SDK support softphone development, Windows, Linux, ThreadX, Vxworks etc.
  • Linphone audio and video SIP softphone for Linux and Windows XP
  • MicroSIP: lightweight SIP softphone based on PJSIP stack for Windows OS written in C++. SIMPLE IM and Presense.
  • minisip cross-platform SIP softphone, Linux, Windows XP and soon Windows Mobile 2003 SE
  • MUVConf cross-platform SIP multi-user video conference. See demo video. Download from code.google.com
  • MjUA: simple cross-platform SIP softphone, written in java, based on MjSip stack
  • OfficeSIP Messenger is audio-video softphone and instant messenger, open source alternative to MS Office Communicator.
  • OfficeSIP Softphone GPL audio-video softphone.
  • OpenSIPStack MPL licensed SIP stack with ENUM, Presence (XMPP/SIMPLE) and NAT traversal. Reference implementation of Session Border Controller (OpenSBC) available.
  • OpenSoftphone: A simple Java based SIP softphone using the PjSip-jni wrapper
  • OpenZoep: GPL telephone and IM messaging client engine
  • Peers Minimalist SIP softphone written in java (tested on linux and windows)
  • PhoneGaim
  • PJSUA: Command line SIP UA with SIMPLE, IM, call transfer, RTCP/RTCP, etc.
  • QuteCom ex-OpenWengo: a fully SIP compliant multiplatform softphone with many features
  • REMWAVE Communicator Win Open source soft phone for Windows. Written in C# and based on the PJSIP library. Including branding engine.
  • Shtoom: SIP softphone in Python, runs on Windows, Mac, Linux
  • SipToSis from mhspot.com Skype SIP UA - Multiplatform - Open Source
  • sipXezPhone ("sipX easy phone") from SIPfoundry based on sipXtapi
  • sipXphone from SIPfoundry, previously known as the Pingtel phone
  • tSIP simple softphone with BLF support based on re/rem/baresip, built with Turbo C++ Explorer
  • VMukti (formerly 1videoConference) alpha: a web2.0 VoIP video conferencing software for Asterisk.
  • wxCommunicator Windows softphone based on sipXtapi and wxWidgets 2.8.x, multi-account, conferencing, NAT support
  • YateClient is multiprotocol and multiplatform softphone with H.323, SIP,Jingle and IAX support.

Platform independent clients

  • GreenJ: Development framework based on Qt and PJSIP for easily building SIP-Softphone applications with a Web-Interface.
  • MUVConf cross-platform SIP multi-user video conference. See demo video. Download from code.google.com
  • Weavver Browser Phone: A web-browser based soft phone that's easy to integrate with any website. Works with the RTMP protocol as integrated in FreeSwitch. You can use this Flash-based front end with FreeSwitch to reach nearly any VoIP back-end (SIP/H.323/IAX/etc).

SIP tools

  • Callflow: Generates SIP Call Flow diagrams
  • miTester for SIP: SIP testing tool; Automates test execution.
  • Open Source Asterisk AMI: Open Source Asterisk AMI interface application
  • pjsip-perf: SIP transaction and call performance measurement tool
  • PROTOS Test-Suite: SIP Testing tools
  • SFTF: SIP Forum Test Framework - a SIP UA test suite primarily targeted at UA software developers hosted by SIPfoundry
  • SIP-CallerID: SIP Caller ID retrieval and lookup
  • SIPbomber: SIP proxy testing tool
  • SIP SIMPLE Command Line Tools for SIP sessions (complete console based SIP UA) and SIMPLE Presence (Publish, Subscribe, Notify) and XCAP document manipulation
  • SIPInspector - SIP Inspector is a tool written in JAVA to simulate different SIP messages and scenarios. You can create your own SIP signaling scenarios, customize SIP messages and monitor incoming and outgoing messages. The tool can play RTP streams from a pcap file.
  • Sipp: SIP performance tester
  • Sipper: SIPr (called Sipper) is an open source and a comprehensive SIP application testing framework. Generate any call flow in minutes.
  • SIP Proxy: SIP security testing tool.
  • Sipsak: SIP testing tool
  • SIP Soft client: Software development kit for SIP Softphone
  • SIPVicious tool suite: tools for auditing SIP devices
  • Vovida.org load balancer: SIP Load Balancer


SIP Protocol Stacks and Libraries

  • Aloha Spring based J2SE SIP A/S which leverages optimistic concurrent model and supports multiple persistence models
  • eXosip - eXtended osip library
  • Juphoon SIP Stack Rich software SDK support SIP, SDP, XML, RTP/RTCP, HTTP, STUN, ABNF etc. Support Windows, Linux, ThreadX, Vxworks etc.
  • libdissipate SIP stack
  • Libre - Portable SIP Stack under BSD license with IPv4/v6 support (SIP,SDP,RTP/RTCP,STUN,TURN,ICE,DNS)
  • minisip includes a SIP stack
  • MjSip - complete and powerful java-based SIP library for both J2SE and J2ME platforms.
  • MSRP Library - MSRP protocol (RFC4975) and its relay extension (RFC4976) written in Python
  • NIST SIP Various SIP appications and tools in Java
  • Open Sip Stack MPL licensed SIP stack with ENUM, Presence (XMPP/SIMPLE) and NAT traversal. Reference implementation of Session Border Controller (OpenSBC) available.
  • oSIP Library SIP Library
  • OSP client protocol stack and SIPfoundry
  • PhClickDial - Verona based Active/X plugin for IE allowing ClickToDial functionallity
  • PJSIP: Small footprint, high performance, and ultra-portable SIP stack written in C, and has language binding for Python. Works on smartphones (Symbian, Windows, iPhone/iOS, Android) as well as desktops and support ZRTP encryption.
  • reSIProcate SIP stack and sample Application from SIPfoundry
  • SailFin Adds SIP support the the Java GlassFish Application Server
  • SIP.js - SIP Signaling JavaScript Library for WebRTC Developers
  • sipXtackLib an RFC 3261, 3263 complient SIP stack from SIPfoundry
  • http://sofia-sip.sourceforge.net Sofia-Sip is SIP stack implementation with STUN and presense support
  • SIP SIMPLE client SDK - High level middleware on top of SIP, RTP, MSRP and XCAP protocols
  • Twisted Python protocol stacks and applications includes SIP support
  • Verona - GPL licenesed VOIP engine based on oSIP,eXosip,oRTP,ffmepg, works on Linux,Windows Mac-OS/X
  • Vovida SIP Vovida SIP stack
  • XCAP Library - XCAP client library written in Python
  • YASS - Statefull SIP stack used in Yate written in C++ usable for client, server or proxy in a multithread or single thread model. It's working on both Windows and Linux, it's very small but full featured.
  • ivrworx - high level Lua interface to SIP/RTSP/MRCP, for testing distributed VoIP scenarios (windows, Vista+ clients).


H.323 Clients

Linux clients:


MacOS X clients:

  • FreeSWITCH: Console client using OPAL
  • ohphoneX
  • YateClient skinnable VoIP client based on the QT library which supports H.323, SIP, Jingle and IAX protocols

Windows clients:

  • Ekiga || SIP, H.323 audio and video softphone for various linux, solaris, windows, and various unix systems. Formerly GnomeMeeting
  • FreeSWITCH: Console client using OPAL
  • OpenPhone
  • YateClient is multiprotocol and multiplatform softphone with H.323, SIP and IAX support.

H.323 Gatekeeper


IAX clients


TURN servers and RTP Proxies


RTP Protocol Stacks

  • ccRTP C++ library based on GNU Common C++
  • Juphoon RTP Stack Rich software SDK include RTP/RTCP stack. Support Windows, Linux, ThreadX, Vxworks etc.
  • JRTPLIB C++ object oriented RTP library
  • libRTP part of gnome-o-phone
  • libzrtpcpp - ZRTP extension library for ccRTP stack
  • LIVE.COM Streaming Media includes C++ RTP stack
  • oRTP Written in C, running on linux, win32 and arm-linux.
  • PJMEDIA: Small footprint media stack with a tiny RTP/RTCP stack suitable for DSP or embedded deployment
  • RTPlib C library
  • sipXmediaLib RTP + audio bridges, audio splitters, echo suppression, tone from generation (e.g. DTMF), streaming support, RTCP, G711 codecs, etc. from SIPfoundry
  • Secure RTP - see: SRTP
  • OpenTelecoms.org ZRTP stack implements ZRTP in Java, for Android, J2SE and Blackberry, used in the Lumicall dialer for Android
  • UCL Common Multimedia Library includes cross platform RTP stack
  • Vovida RTP Stack
  • YRTP - Yate RTP stack, that can be used in other projects.
  • zrtp4j - ZRTP stack for Java, based on GNU ZRTP, used in Jitsi (formerly SIP Communicator)

MSRP Relays


XCAP servers


Other tools

  • Encours Teleconferencing in your web browser with an integrated VOIP layer (Java) and an optional Asterisk connectivity on the server side.
  • Howler Technologies - optimised G.729 codec for softswitch market.
  • Interactive Dialplanner Open-Source GUI Dialplan Development for Asterisk PBX.
  • MORCC - automated online Calling Card store. Paypal integrated.
  • OfficeSIP Turn Server is open source TURN server compatible with |MS-TURN| extension.
  • OgonPhonesXML .NET Library for Aastra SIP Phones and Cisco SIP/IP phones for fast and easy XML Interfacement.
  • OpenBTS A Unix VOIP interface to the GSM cellular network
  • Oreka capture and retrieval of SIP, Cisco Skinny (SCCP) and raw RTP sessions with audio compression, rdbms metadata storage and web based user interface.
  • outCALL integrates Microsoft's Outlook with Asterisk for pop-ups and click2dial. For Exchange integration see outCALL.
  • TBDialOut is a Thunderbird extension that adds clickable links, context menu options and toolbar buttons to Thunderbird's address book, enabling you to dial direct from your addressbook. TBDialOut can be used with most softphones, with Snom, Yealink and Tiptel hardware phones, with some Cisco systems and with Asterisk.
  • Vovida.org STUN server: A STUN server
  • Voipong - Voice over IP (VoIP) sniffer and call detector.
  • Vomit converts a Cisco IP phone conversation (recorded with TCPdump) into a standard WAV file

PBX platforms

Some of these include SIP proxy functionality

IVR platforms

  • Asterisk: Open Source PBX with built-in IVR server
  • Bayonne: GNU project IVR server
  • CT Server Perl based Open Source client/server library supporting Voicetronix Telephony hardware.
  • Elastix Unified Communications distro supporting IVR capabilities
  • FreeSWITCH
  • ICTDialer An Open Source smart autodialer software bundled with graphical IVR Designer tools.
  • OpenVXI: Implementation of VoiceXML
  • SEMS: Free/Open Source SIP media server with IVR capabilities
  • sipX PBX The SIP PBX for Linux (open source) with built-in IVR (voice mail & auto-attendant)
  • YATE Yet Another Telephony Engine
  • See Also: VoiceXML

Voice broadcasting platform

  • ICTDialer Is an Open Source unified communications autodialer and broadcasting software application supporting voice, sms, fax broadcasting.

Voicemail servers

  • Asterisk: Open Source PBX with built-in Voicemail Server
  • Elastix Unified Communications distro supporting Voicemail capabilities
  • FreeSWITCH
  • Lintad: Linux Telephone Answering Device - A Voice and Faxmail Server
  • OpenPBX: Open Source PBX with built in voicemail
  • OpenUMS: Linux Voicemail and Unified Messaging Server
  • SEMS: Free/Open Source SIP media server with built-in Voicemail and Voicebox Server
  • sipX PBX The SIP PBX for Linux (open source) with built-in IVR (voice mail & auto-attendant)
  • VOCP: A Voicemail Server for voice modems
  • YATE Yet Another Telephony Engine with H.323, SIP and IAX support.

Speech

Text-to-speech and speech-to-text (voice recognition)

Fax Servers

  • Asterisk Fax Email Gateway
  • Elastix Unified Communications distro supporting FAX and Virtual FAX capabilities
  • ICTFAX, Open Source Foip Software featuring email to fax , fax to email and web to fax.
  • Lintad: Linux Telephone Answering Device - A Voice and Faxmail Server
  • Hylafax

Development platforms, protocol stacks

  • Adhearsion: High-level, highly productive backend telephony development framework based on Asterisk. Written in Ruby.
  • H323plus: Open Source H.323 Protocol Stack following on from the original openH323
  • IVR for Skype: Open Source example in C#. No hardware required.
  • OpenBloX: OpenBloX Open Source Java Diameter framework with all IMS and SIP servers interfaces; maintained by Traffix Systems,
  • OpenMGCP: Open Source MGCP Protocol Stack Developed with C and POSIX APIs,
  • OpenSS7: SS7 Protocol Stack
  • ooh323c: Open Source H.323 Protocol Stack Developed in C
  • ++Skype C++ library for skype add-on platform independent software development. It is platform independent, easy to use, and easy to extend because of the flexible library design, inspired by modern C++ design ideas. Performance is one of the goals.

Radius Servers

  • Aradial: Radius server and Billing for VoIP
  • BSDRadius: Radius server for VoIP
  • Interlink RADIUS Server RADIUS Server Software
  • RadBox RADIUS Server + Billing System. (For a work, you nead instal Framework 2.0)

Billing


Codecs


Middleware

  • Ernie: Open Source Python based applications platform for VoIP and presence based applications
  • Mobicents: The most popular Open Source Service Logic Execution Environment (JSLEE) and SIP Application Server for the Java platform.
  • TALK: Web based CTI Solution (AJAX client) which provides call control, presence and directorty features.

Suite Solutions

  • Zoontelecom: Zoon Suite is a Open Source solution for make VoIP services with billing and more. (Spanish)

CTI Dialer utilities

  • Asterisk phonebook A common shared phone book directory for Asterisk PBX
  • TALK Powerful directory management and scalable architecture to create Click to call or Select and Dial applications + AJAX libraries to implement these features in your web site.



Created by: oej, Last modification: Thu 23 of Oct, 2014 (15:26 UTC) by aatif


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