Free Sip Clients

SIP2SIP is a straightforward SIP service offered by AG Projects. It is a free SIP service based on fair-use policy. Registration and account management are easy. AG Projects offers this free SIP service as one way for users to test the features present in its products. Using any of the compatible apps or clients you can. Sip client free download - Adore SIP Client, iPhone SIP Client, iPhone SIP Client, and many more programs. Mini SIP Server (20 clients) Turn your Windows machine into a VOIP service system.

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Session Initiation Protocol (SIP) is used in Voice Over Internet Protocol (VoIP) communications. It allows users to make mostly free voice and video calls over the internet. Having a free SIP account is a great way to make free calls. You begin by choosing a SIP provider that assigns you a ​SIP account at no charge. Use it with softphone software, an app, or a VoIP-compatible phone.

OnSIP Free Plan

What We Like

• Plan includes 100 users with unlimited extensions; great for teams.

• Slack and Zendesk integrations.

What We Don't Like

• Application suite can be a bit byzantine to navigate.

• Still some documentation updating after the GetOnSIP migration to the OnSIP Free Plan.

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OnSIP is a paid VoIP service offered by Junction Networks. However, the company also offers the OnSIP Free Plan to people who want to create a free SIP address. The OnSIP Free Plan provides a web-based voice, video, and messaging solution for teams. The features include:

• Up to 100 users.
• Free SIP-to-SIP calling.
• Custom web call links and HTML buttons.
• Integrates with Slack and Zendesk.
• Able to use as a Google Chrome extension.

The OnSIP Free Plan replaces the company's GetOnSIP program.

IPTel

What We Like

• Straightforward service portfolio.

• Free for life.

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What We Don't Like

• No options for PTSN termination; it's SIP-to-SIP only.

• Barebones website raises questions of how long the company will be around.

IPTel.org provides IP telecommunications services and hosts several projects like the SIP Express Router, SIP Express Media Server, and the SIP Express Router Web. IPTel also provides a wealth of information on SIP communications on its website. The free SIP account IPTel offers is of good quality and is available with only a straightforward registration.

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You are assigned a lifetime SIP account you can use to make audio and video calls with users of IPTel.org and other domains. You can access VoIP telephony services through web browsers without needing any special equipment, a SIP-compliant phone, softphone, or a smartphone app.

SIP2SIP

What We Like

• Free and easy to use.

• Decent design.

• Optimized for SylkServer.

What We Don't Like

• Consumer-facing usage doesn't seem to be the developer's priority.

• Separate apps for video and audio.

SIP2SIP is a straightforward SIP service offered by AG Projects. It is a free SIP service based on fair-use policy. Registration and account management are easy. AG Projects offers this free SIP service as one way for users to test the features present in its products. Using any of the compatible apps or clients you can:

• Make audio and video calls.
• Chat and transfer files.
• Make conference calls.

AntiSIP

What We Like

• Pure SIP-to-SIP provider.

• Good documentation.

What We Don't Like

• A few red flags; the official contact is in France and advertises his Gmail account.

The Antisip service offers a set of SIP-based services. Among them is a free SIP account that provides VoIP-to-VoIP services. The company recommends downloading its Antisip app for Android mobile devices, but the SIP account works with other devices.

Links to YouTube tutorials are available at the website for users who are new to the SIP experience.

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

• 1Servers
• 2Clients
• 3Mobile clients

Servers[edit]

Free and open-source license[edit]

• Cipango SipServlets 1.1 application server
• Issabel, fork of Elastix
• Kamailio, formerly OpenSER^[1]
• Mobicents Platform (JSLEE[2] 1.0 compliant and SIP Servlets 1.1 compliant application server)
• OpenSIPS, fork of OpenSER
• SIP Express Router (SER)
• YXA, based on Erlang

Proprietary license[edit]

• 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
• 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 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.
• IBMWebSphere 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
• MERA Systems VoIP softswitches with sbc, H.323/SIP proxy
• 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
• REVE Systems Mobile VoIP, Class 4/5 Softswitch with integrated billing and Bandwidth Optimization products
• 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
• TrueConf Server - video conferencing server software, SIP gateway
• Unify OpenScape Voice, OpenScape 8000 SIP softswitch, mediaserver, .. (SIP)
• Voice Elements Inventive Labs' .NET Voice Development software and SIP stack platform.
• Wildix WGW series Unified communication platform up to 5000 users on a single server. Up to 65535 users on WMS network
• Zultys MX250/MX30 IP PBXs for SMB and enterprise

Clients[edit]

Free and open-source license[edit]

• Blink, OSX, Linux, and Windows
• Ekiga, formerly named GnomeMeeting, GPL
• Empathy, using GTK+ libraries and Telepathy framework, GPL
• 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
• KPhone, using Qt libraries, GPL, for Linux
• Linphone, with a core/UI separation, the GUI is using GTK+ libraries, for Linux, OS X, Windows, and mobile phones (Android, iPhone, Windows Phone, BlackBerry)
• MicroSIP, lightweight softphone, using PJSIP stack, for Windows
• QuteCom, formerly named OpenWengo, using Qt libraries, GPL, for Windows, Mac, and RPM- DEB-based Linux^[2]
• Telephone, OS X softphone written in Cocoa/Swift
• Twinkle, using Qt libraries, GPL, for Linux
• Yate client, using Qt libraries,^[3] GPL^[4]

Proprietary license[edit]

• Blink, for Mac
• CounterPath Corporation Bria desktop and mobile carrier-class, enterprise-grade VoIP applications
• Librestream's 2500 Camera, 5000HD camera, Onsight Cube (wearable/modular camera), Onsight Connect (Windows, iOS, Android).^[5]
• 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
• Windows Messenger versions 4 and 5 (not to be confused with Windows Live Messenger or MSN Messenger which do not support SIP)

Discontinued[edit]

• eyeBeam, discontinued in 2018
• Gizmo5, formerly PhoneGaim, discontinued in 2011

Mobile clients[edit]

Free and open-source license[edit]

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

Free Sip Client Linux

Proprietary license[edit]

• Acrobits for iOS and Android
• CounterPath Corporation Bria Mobile for iOS and Android

Session border controllers[edit]

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

Enabled firewalls[edit]

• 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
• LinuxNetfilter'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[edit]

Test tools[edit]

• 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[edit]

References[edit]

1. ^'OpenSER Renamed To Kamailio'. Retrieved 2015-02-20.
2. ^'homepage'. qutecom.org. Retrieved 19 December 2014.
3. ^'Yate client page'. Retrieved 2011-12-01.
4. ^'Yate official page'. Retrieved 2011-12-01.
5. ^'Librestream Releases a Fully Managed Onsight SIP Service for Onsight Customers'. 8 May 2009.

Free Sip Server Voip

External links[edit]

Free Sip Client Windows 7

• SIP at Curlie

Free Sip Softphone For Windows