This list of SIP software documents notable software applications which use Session Initiation Protocol (SIP) as a

voice over IP Voice over Internet Protocol (VoIP), also called IP telephony, is a method and group of technologies for the delivery of voice communications and multimedia sessions over Internet Protocol (IP) networks, such as the Internet. The terms Internet t ...

(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 * Cipango SipServlets 1.1 application server *

ejabberd ejabberd is an Extensible Messaging and Presence Protocol (XMPP) application server and an MQ Telemetry Transport (MQTT) broker, written mainly in the Erlang programming language. It can run under several Unix-like operating systems such as ma ...

* FreeSWITCH *

FreePBX FreePBX is a web-based open-source graphical user interface (GUI) that manages Asterisk, a voice over IP and telephony server. FreePBX is licensed under the GNU General Public License version 3. It is a component of the FreePBX Distro, which is ...

* GNU SIP Witch * Issabel, fork of Elastix *

Kamailio Kamailio, formerly OpenSER (and sharing some common history with SIP Express Router (SER)), is a SIP server licensed under the GPL-2.0-or-later license. It can be configured to act as a SIP registrar, proxy or redirect server, and features pre ...

, formerly OpenSER * Mobicents Platform (JSLEE 1.0 compliant and SIP Servlets 1.1 compliant application server) * Mysipswitch * OpenSIPS, fork of OpenSER * SailFin * SIP Express Router (SER) * Enterprise Communications System sipXecs *

Yate Yate is a town and civil parish in South Gloucestershire, England. It lies just to the southwest of the Cotswold Hills and is northeast of Bristol city centre and from the centre of Bath, with regular rail services to Bristol and Gloucester. ...

Proprietary license

3Com 3Com Corporation was an American digital electronics manufacturer best known for its computer network products. The company was co-founded in 1979 by Robert Metcalfe, Howard Charney and others. Bill Krause joined as President in 1981. Metcalfe e ...

VCX IP telephony module: back-to-back user agent SIP PBX * 3CX Phone System, for Windows, Debian 8 GNU/Linux *

Aastra Aastra Technologies Limited, formerly headquartered in Concord, Ontario, Canada, made products and systems for accessing communication networks, including the Internet. Its products included residential and business telephone terminals, screen ...

5000, 800, MX-ONE *

Alcatel-Lucent Alcatel–Lucent S.A. () was a French–American global telecommunications equipment company, headquartered in Boulogne-Billancourt, France. It was formed in 2006 by the merger of France-based Alcatel and U.S.-based Lucent, the latter being a s ...

5060 IP Call server * Aricent SIP UA stack, B2BUA, proxy, VoLTE/RCS Client *

AskoziaPBX AskoziaPBX is a closed source telephone system (or " PBX") firmware. It is a fork of the m0n0wall project and uses the Asterisk private branch exchange (PBX) software to realize all telephony functions. Prior to version 2.1, AskoziaPBX was rele ...

* Avaya Application Server 5300 (AS5300), JITC certified ASSIP VoIP * Bicom Systems IP PBX for telecoms * Brekeke SIP Server, SIP proxy, SIP registrar, SIP NAT, TCP/UDP * Brekeke PBX, SIP PBX for service providers and enterprises *

Cisco Cisco Systems, Inc., commonly known as Cisco, is an American-based multinational digital communications technology conglomerate corporation headquartered in San Jose, California. Cisco develops, manufactures, and sells networking hardware, ...

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 Comverse Technology, Inc., often referred to as simply Comverse, was a technology company located in Woodbury, New York in the United States, that developed and marketed telecommunications software. The company focused on providing value-added ...

softswitch, media applications, SIP registrars * Creacode SIP Application Server Real-time SIP call controller and IVR product for carrier-class VoIP networks *

Dialogic Corporation Dialogic is an American multinational technology company headquartered in Parsippany, New Jersey, United States, with operations in over 25 countries. Dialogic provides a cloud-optimized communications technology for real-time communications me ...

Powermedia Media Servers, audio and video SIP IVR, media and conferencing servers for Enterprise and Carriers. *

Dialexia Dialexia Communications, Inc. is a privately held Canadian corporation headquartered in Montréal, Quebec, that develops, manufactures, and sells VoIP-based Telecommunication products and services. The company specializes in the development of we ...

VoIP Softswitches, IP PBX for medium and enterprise organizations, billing servers. * 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 Mitel Networks Corporation is a Canadian telecommunications company. The company previously produced TDM PBX systems and applications, but after a change in ownership in 2001, now focuses almost entirely on Voice-over-IP (VoIP) products. Mitel ...

Communications Director * NEC SV7000 back-to-back user agent SIP PBX * NEC UNIVERGE 3C Unified Communications and Collaboration software *

Nokia Siemens Networks Nokia Networks (formerly Nokia Solutions and Networks (NSN) and Nokia Siemens Networks (NSN)) is a multinational data networking and telecommunications equipment company headquartered in Espoo, Finland, and wholly owned subsidiary of Nokia Corp ...

hiQ8000 *

Nortel Nortel Networks Corporation (Nortel), formerly Northern Telecom Limited, was a Canadian multinational telecommunications and data networking equipment manufacturer headquartered in Ottawa, Ontario, Canada. It was founded in Montreal, Quebec, ...

SCS500 *

SIP Multimedia Communication Server 5200 * Objectworld UC Server * Oracle Communications Converged Application Server (OCCAS) * Oracle WebLogic SIP Server *

Spirent Spirent Communications plc is a British multinational telecommunications testing company headquartered in Crawley, West Sussex, in the United Kingdom. It is listed on the London Stock Exchange and is a constituent of the FTSE 250 Index. Hist ...

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 Sterlite Technologies Limited (Formerly Sterlite Tech) is an Indian multinational technology company, headquartered in Mumbai. It is listed on Bombay Stock Exchange and National Stock Exchange of India. It has 636 patents and is active in over ...

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

Jami Nūr ad-Dīn 'Abd ar-Rahmān Jāmī ( fa, نورالدین عبدالرحمن جامی; 7 November 1414 – 9 November 1492), also known as Mawlanā Nūr al-Dīn 'Abd al-Rahmān or Abd-Al-Rahmān Nur-Al-Din Muhammad Dashti, or simply as J ...

, with

GTK GTK (formerly GIMP ToolKit and GTK+) is a free and open-source cross-platform widget toolkit for creating graphical user interfaces (GUIs). It is licensed under the terms of the GNU Lesser General Public License, allowing both free and propriet ...

/ Qt GUI, also supports IAX2 protocol, for Linux, OS X, Windows GPL * Jitsi, a

Java Java (; id, Jawa, ; jv, ꦗꦮ; su, ) is one of the Greater Sunda Islands in Indonesia. It is bordered by the Indian Ocean to the south and the Java Sea to the north. With a population of 151.6 million people, Java is the world's mos ...

VoIP and Instant Messaging client with

ZRTP ZRTP (composed of Z and Real-time Transport Protocol) is a cryptographic key-agreement protocol to negotiate the keys for encryption between two end points in a Voice over IP (VoIP) phone telephony call based on the Real-time Transport Protocol. ...

encryption, for FreeBSD,

Linux Linux ( or ) is a family of open-source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991, by Linus Torvalds. Linux is typically packaged as a Linux distribution, w ...

, OS X,

Windows Windows is a group of several proprietary graphical operating system families developed and marketed by Microsoft. Each family caters to a certain sector of the computing industry. For example, Windows NT for consumers, Windows Server for ser ...

; LGPL *

Linphone __NOTOC__ Linphone (contraction of ''Linux phone'') is a free voice over IP softphone, SIP client and service. It may be used for audio and video direct calls and calls through any VoIP softswitch or IP-PBX. Linphone also provides the possibilit ...

, with a core/UI separation, the GUI is using

libraries, for Linux, OS X, Windows, and mobile phones (Android, iPhone, Windows Phone, BlackBerry) * MicroSIP, lightweight softphone, using PJSIP stack, for Windows *

Telephone A telephone is a telecommunications device that permits two or more users to conduct a conversation when they are too far apart to be easily heard directly. A telephone converts sound, typically and most efficiently the human voice, into e ...

, OS X softphone written in Cocoa/

Swift Swift or SWIFT most commonly refers to: * SWIFT, an international organization facilitating transactions between banks ** SWIFT code * Swift (programming language) * Swift (bird), a family of birds It may also refer to: Organizations * SWIFT, ...

* Twinkle, using Qt libraries, GPL, for Linux * Yate client, using Qt libraries, GPL

Proprietary license

* Blink, for Mac * Librestream's 2500 Camera, 5000HD camera, Onsight Cube (wearable/modular camera), Onsight Connect (Windows, iOS, Android). * LifeSize Desktop, for Windows * Phoner and PhonerLite, for Windows, Voice:

G.711 G.711 is a narrowband audio codec originally designed for use in telephony that provides toll-quality audio at 64 kbit/s. G.711 passes audio signals in the range of 300–3400 Hz and samples them at the rate of 8,000 samples per second ...

, G.722, G.726,

GSM The Global System for Mobile Communications (GSM) is a standard developed by the European Telecommunications Standards Institute (ETSI) to describe the protocols for second-generation ( 2G) digital cellular networks used by mobile devices such ...

iLBC Internet Low Bitrate Codec (iLBC) is a royalty-free narrowband speech audio coding format and an open-source reference implementation (codec), developed by Global IP Solutions (GIPS) formerly Global IP Sound (acquired by Google Inc in 2011). ...

Speex Speex is an audio compression codec specifically tuned for the reproduction of human speech and also a free software speech codec that may be used on VoIP applications and podcasts. It is based on the CELP speech coding algorithm.Xiph.OrIntro ...

Opus ''Opus'' (pl. ''opera'') is a Latin word meaning "work". Italian equivalents are ''opera'' (singular) and ''opere'' (pl.). Opus or OPUS may refer to: Arts and entertainment Music * Opus number, (abbr. Op.) specifying order of (usually) publicatio ...

; security: TLS, SRTP,

* Polycom PVX, for Windows. Voice:

, G.722, G.722.1, G.728,

G.729 G.729 is a royalty-free narrow-band vocoder-based audio data compression algorithm using a frame length of 10 milliseconds. It is officially described as ''Coding of speech at 8 kbit/s using code-excited linear prediction'' speech coding (CS-ACEL ...

A, Siren Codec; Video: H.261, H.263,

H.264 Advanced Video Coding (AVC), also referred to as H.264 or MPEG-4 Part 10, is a video compression standard based on block-oriented, motion-compensated coding. It is by far the most commonly used format for the recording, compression, and distr ...

; Data: T.120, People+ Content, H.239, H.323 Annex Q far-end camera control * Windows Messenger versions 4 and 5 (not to be confused with

Windows Live Messenger MSN Messenger (also known colloquially simply as "Messenger"), later rebranded as Windows Live Messenger, was a cross-platform instant-messaging client developed by Microsoft. It connected to the Microsoft Messenger service and, in later versio ...

or MSN Messenger which do not support SIP)

Discontinued

QuteCom QuteCom (previously called WengoPhone) was a free-software SIP-compliant VoIP client developed by the QuteCom (previously OpenWengo) community under the GPL-2.0-or-later license. It allows users to speak to other users of SIP-compliant VoIP sof ...

, formerly named OpenWengo, using Qt libraries, GPL, for Windows, Mac, and RPM- DEB-based Linux, discontinued in 2016 * Gizmo5, formerly PhoneGaim, discontinued in 2011 *

Empathy Empathy is the capacity to understand or feel what another person is experiencing from within their frame of reference, that is, the capacity to place oneself in another's position. Definitions of empathy encompass a broad range of social, co ...

, using

libraries and Telepathy framework, GPL, discontinued in earliest visible, 2021.

Mobile clients

Free and open-source license

for Android, iOS; GPL v3 *

for Android, BlackBerry, iPhone, Windows phone; GPL v2 * Sipdroid for Android, GPL v3

Proprietary license

* Acrobits for iOS and Android

Discontinued

* CSipSimple for Android, GPL v3, discontinued in 2019

Session border controllers

Acme Packet Acme Packet was a company based in Bedford Bedford is a market town in Bedfordshire, England. At the 2011 Census, the population of the Bedford built-up area (including Biddenham and Kempston) was 106,940, making it the second-largest set ...

Session Director * Audiocodes Mediant *

Genband Ribbon Communications US LLC is a public company that makes software, IP and optical networking solutions for service providers, enterprises and critical infrastructure sectors. The company was formed in 2017, following the merger of Genband and S ...

Quantix SBC * Ingate Systems Ingate SIParators * Metaswitch Perimeta *

Enabled firewalls

* Check Point VPN-1 firewalls, include complete SIP support for multiple vendors * The firewall feature in

Cisco IOS The Internetworking Operating System (IOS) is a family of proprietary network operating systems used on several router and network switch models manufactured by Cisco Systems. The system is a package of routing, switching, internetworking, and ...

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 Fortinet is an American multinational corporation headquartered in Sunnyvale, California. The company develops and sells cybersecurity solutions, such as physical firewalls, antivirus software, intrusion prevention systems, and endpoint secur ...

, all FortiGates running v280/v300 builds * Intertex SIP transparent routers, firewalls and ADSL modems, for broadband deployments and

SOHO Soho is an area of the City of Westminster, part of the West End of London. Originally a fashionable district for the aristocracy, it has been one of the main entertainment districts in the capital since the 19th century. The area was develo ...

market *

Juniper Networks Juniper Networks, Inc. is an American multinational corporation headquartered in Sunnyvale, California. The company develops and markets networking products, including routers, switches, network management software, network security product ...

Netscreen and SRX firewalls include complete SIP Application Layer Gateway support *

Netfilter's SIP conntrack helper fully understands SIP and can classify (for QOS) and NAT all related traffic *

Netopia Farallon, later renamed Netopia, was a computer networking company headquartered in Berkeley, and subsequently Emeryville, California, that produced a wide variety of products including bridges, repeaters and switches, and in their later Netopia i ...

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 pfSense is a firewall/ router computer software distribution based on FreeBSD. The open source pfSense Community Edition (CE) and pfSense Plus is installed on a physical computer or a virtual machine to make a dedicated firewall/router for ...

, 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 Synopsys is an American electronic design automation (EDA) company that focuses on silicon design and verification, silicon intellectual property and software security and quality. Products include tools for logic synthesis and physical desig ...

Defensics: commercial test automation framework *

Ixia (company) Ixia was a public computer networking company operating in around 25 countries until its acquisition by Keysight Technologies Inc. in 2017. Ixia was headquartered in Calabasas, California and had approximately 1,750 employees. Ixia's customers ...

commercial SIP-VoIP and Video test and emulation and load test platform *

Mu Dynamics Spirent Communications plc is a British multinational telecommunications testing company headquartered in Crawley, West Sussex, in the United Kingdom. It is listed on the London Stock Exchange and is a constituent of the FTSE 250 Index. Histor ...

: commercial SIP-VoIP, RTSP-IPTV Triple Play service assurance platform

References

External links

* {{DEFAULTSORT:SIP Lists of software VoIP software Videotelephony

Servers

Free and open-source license

Proprietary license

Clients

Free and open-source license

Proprietary license

Discontinued

Mobile clients

Free and open-source license

Proprietary license

Discontinued

Session border controllers

Enabled firewalls

Libraries

Test tools

See also

References

External links