computer science

List of SIP software

List of SIP software is a computer science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand List of SIP software rather than just read about it. In short: 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.

Key takeaways

List of SIP software belongs to computer science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect List of SIP software to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of List of SIP software from memory before moving on to harder problems.

Reference excerpt

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 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) 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) 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.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, discontinued in 2016 Gizmo5, formerly PhoneGaim, discontinued in 2011 Empathy, using GTK libraries and Telepathy framework, GPL, discontinued in earliest visible, 2021. 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

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

… excerpt ends here. Continue reading the full article.

Worked examples

Example 1 — a first encounter with List of SIP software

Start with the simplest possible case. Write down what List of SIP software claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In computer science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to List of SIP software before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about List of SIP software ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of List of SIP software

In research: List of SIP software appears in computer science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses List of SIP software in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: List of SIP software is common in secondary-school and first-year university syllabi. It links to neighbouring topics Lists of software, Videotelephony, VoIP software, so understanding it makes those chapters shorter.
In everyday life: Look for List of SIP software outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study List of SIP software in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what List of SIP software means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain List of SIP software out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is List of SIP software in simple terms?

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 receivi…

Why does List of SIP software matter?

Because it connects several computer science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study List of SIP software?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on List of SIP software.