List of SIP software

This list of SIP software documents notable software applications which use Session Initiation Protocol (SIP) as a voice over IP (VoIP) protocol.

Servers

Free and open-source license

A SIP server, also known as a SIP proxy, manages all SIP calls within a network and takes responsibility for receiving requests from user agents for the purpose of placing and terminating calls.

• Asterisk
• ejabberd
• FreeSWITCH
• GNU SIP Witch
• Kamailio, formerly OpenSER ^[1]
• Mobicents Platform (JSLEE[2] 1.0 compliant and SIP Servlets 1.1 compliant application server)
• OpenSIPS, fork of OpenSER
• SailFin
• SIP Express Router (SER)
• Enterprise Communications System sipXecs
• Yate

Proprietary license

• 3Com VCX IP telephony module: back-to-back user agent SIP PBX
• 3CX Phone System, for Windows, Debian 8 GNU/Linux
• Aastra 5000, 800, MX-ONE
• Alcatel-Lucent 5060 IP Call server
• Aricent SIP UA stack, B2BUA, proxy, VoLTE/RCS Client
• AskoziaPBX
• Avaya Application Server 5300 (AS5300), JITC certified ASSIP VoIP
• Bicom Systems IP PBX for telecoms
• Brekeke PBX, SIP PBX for service providers and enterprises
• Cisco SIP Proxy Server, Cisco unified border element (CUBE), Cisco Unified Communication Manager (CUCM)
• CommuniGate Pro, virtualized PBX for IP Centrex hosting, voicemail services, self-care, ...
• Comverse Technology softswitch, media applications, SIP registrars
• Creacode SIP Application Server Real-time SIP call controller and IVR product for carrier-class VoIP networks
• Dialogic Corporation Powermedia Media Servers, audio and video SIP IVR, media and conferencing servers for Enterprise and Carriers.
• Dialexia VoIP Softswitches, IP PBX for medium and enterprise organizations, billing servers.
• GoTo Connect - Cloud phone system with unified communications and contact center capabilities.
• Grasshopper - Virtual phone system for entrepreneurs.
• IBM WebSphere Application Server - Converged HTTP and SIP container JEE Application Server
• Interactive Intelligence Windows-based IP PBX for small, medium and enterprise organizations
• Kerio Operator, IP PBX for small and medium enterprises
• Microsoft Lync Server 2010 & 2013
• Mitel Communications Director
• NEC SV7000 back-to-back user agent SIP PBX
• NEC UNIVERGE 3C Unified Communications and Collaboration software
• Nokia Siemens Networks hiQ8000
• Nortel SCS500
• Nortel SIP Multimedia Communication Server 5200
• Objectworld UC Server
• Oracle Communications Converged Application Server (OCCAS)
• Oracle WebLogic SIP Server
• Spirent SIP Server Platform
• ShoreTel IP phone systems with unified communications and contact center built in
• Snom One free/blue/yellow (Snom acquired and renamed pbxnsip) (SIP)
• Speedflow Communications VoIP class 4/5 softswitches with integrated billing, transcoding, SIP-H.323 converter.
• Sterlite Technologies Neox IPPBX, IMS - ISC, Dial Center - OmniChannel Call Center, IVR products
• Sun Microsystems Sun GlassFish Communication Server
• Tadiran Telecom Coral Ipx family and Aeonix softswitch
• Tandberg Video Communication Server - SIP application server, media server and H.323 gateway
• Unify OpenScape Voice, OpenScape 8000 SIP softswitch, mediaserver, ... (SIP)
• Voice Elements Inventive Labs' .NET Voice Development software and SIP stack platform.
• Zultys MX250/MX30 IP PBXs for SMB and enterprise

Clients

Free and open-source license

• Ekiga (formerly known as GnomeMeeting). SoftPhone, Video Conferencing and Instant Messenger. Since 2013, no longer maintained but still available under declining number of distributions.
• Jami, with GTK/Qt GUI, also supports IAX2 protocol, for Linux, OS X, Windows GPL
• Jitsi, a Java VoIP and Instant Messaging client with ZRTP encryption, for FreeBSD, Linux, OS X, Windows; LGPL
• Linphone, with a core/UI separation, the GUI is using Qt libraries, for Linux, OS X, Windows, and mobile phones (Android, iPhone, Windows Phone, BlackBerry)
• Telephone, OS X softphone written in Cocoa/Swift
• Twinkle, using Qt libraries, GPL, for Linux
• Yate client, using Qt libraries, ^[2] GPL ^[3]

Proprietary license

• Blink, for Mac
• Librestream's 2500 Camera, 5000HD camera, Onsight Cube (wearable/modular camera), Onsight Connect (Windows, iOS, Android). ^[4]
• LifeSize Desktop, for Windows
• Phoner and PhonerLite, for Windows, Voice: G.711, G.722, G.726, GSM, iLBC, Speex, Opus; security: TLS, SRTP, ZRTP
• Polycom PVX, for Windows. Voice: G.711, G.722, G.722.1, G.728, G.729A, Siren Codec; Video: H.261, H.263, H.264; Data: T.120, People+ Content, H.239, H.323 Annex Q far-end camera control

Discontinued

• QuteCom, formerly named OpenWengo, using Qt libraries, GPL, for Windows, Mac, and RPM- DEB-based Linux, ^[5] discontinued in 2016
• Gizmo5, formerly PhoneGaim, discontinued in 2011
• Empathy, using GTK libraries and Telepathy framework, GPL, discontinued in earliest visible, 2021. ^[6]
• Windows Messenger versions 4 and 5 (not to be confused with Windows Live Messenger or MSN Messenger which do not support SIP)

Mobile clients

Free and open-source license

• Jami for Android, iOS; GPL v3
• Linphone for Android, BlackBerry, iPhone, Windows phone; GPL v2

Proprietary license

• Acrobits for iOS and Android

Session border controllers

Main article: Session border controller

• Acme Packet Session Director
• Audiocodes Mediant
• Genband Quantix SBC
• Ingate Systems Ingate SIParators
• Metaswitch Perimeta
• Kamailio

Enabled firewalls

• Check Point VPN-1 firewalls, include complete SIP support for multiple vendors
• The firewall feature in Cisco IOS includes complete SIP support
• Cisco PIX/ASA firewalls include complete SIP support
• D-Link Firewall DFL-210/260/800/860/1600/2500 supports SIP (SIP-ALG) with firmware 2.20.01.05 and above
• Fortinet, all FortiGates running v280/v300 builds
• Intertex SIP transparent routers, firewalls and ADSL modems, for broadband deployments and SOHO market
• Juniper Networks Netscreen and SRX firewalls include complete SIP Application Layer Gateway support
• Linux Netfilter's SIP conntrack helper fully understands SIP and can classify (for QOS) and NAT all related traffic
• Netopia Netopia supports ALG
• PF, built-in OpenBSD firewall PF can handle the NAT through the "static-port" directive and the bandwidth control through the built-in queuing system of SIP connections
• pfSense, a firewall/router distribution based on FreeBSD and PF; has QoS that properly tags VoIP traffic and a SIP proxy package that is available for NATed endpoints. Its functionality can be expanded with packages like FreeSWITCH, a free/open source software communications platform for making SIP, voice and chat driven products.
• Secure Computing, SnapGear firewall includes siproxd SIP proxy, Sidewinder 7 firewall includes a SIP proxy
• SonicWall, supports SIP
• ZyXEL ZyWALL P1, 2Plus, 5 UTM, 35 UTM, 70 UTM, 1050, USG 100, USG 200, USG 300, USG 1000 supports SIP-ALG

Libraries

• oSIP

Test tools

• Codenomicon Defensics: commercial test automation framework
• Ixia (company) commercial SIP-VoIP and Video test and emulation and load test platform
• Mu Dynamics: commercial SIP-VoIP, RTSP-IPTV Triple Play service assurance platform

See also

• Comparison of VoIP software
• List of video telecommunication services and product brands
• Mobile VoIP

References

1. "OpenSER Renamed To Kamailio". 6 March 2010. Retrieved 2015-02-20.
2. "Yate client page". Archived from the original on 2012-01-08. Retrieved 2011-12-01.
3. "Yate official page". Archived from the original on 2011-11-21. Retrieved 2011-12-01.
4. "Librestream Releases a Fully Managed Onsight SIP Service for Onsight Customers". Librestream. 8 May 2009. Archived from the original on 12 May 2018.
5. "homepage". qutecom.org. Retrieved 19 December 2014.
6. "Empathy is currently no longer in development (see also Attic/Unmaintained)". wiki.gnome.org.