Free Downloads: Sip Protocol
License: All | Free
Enigma is a free Session Initiation Protocol (SIP) softphone available for your download.
Enigma is a free Session Initiation Protocol (Sip) softphone available for your download. It can used to make Internet calls, establish conference and send instant messages to your buddies under the same Sip network. Choose your platform see features So whether your just having a simple voice conversation or talking to a friend over Instant Messaging, Enigma will leads you...
Category: Internet / Communications
Publisher: Racequeen Inc., License: Freeware, Price: USD $0.00, File Size: 20.8 MB
Platform: Windows
Flaphone™ is a Sip (Session Initiation Protocol) compatible web softphone, that is working in web browser without installation of any specific software*. Everything that you need is internet connection, speakers and microphone**. Flaphone™ users can call each other, to Sip phones, and any phone numbers, if Sip provider accounts are configured in control...
Category: Internet / Communications
Publisher: Innovative Systems of Communication LLC, License: Freeware, Price: USD $0.00, File Size: 2.2 MB
Platform: Windows
The Sip Proxy Tunnel can combine all Sip (signaling) and RTP (media) VoIP Packets from one location (typically a remote office) and deliver them to and from another location (typically the PBX Server) using a custom TCP Protocol. This simple concept allows us to exploit the Sip Proxy Tunnel to overcome difficult situations, or to simplify a network scenario.
...
Category: Internet / Communications
Publisher: 3CX, License: Freeware, Price: USD $0.00, File Size: 1.5 MB
Platform: Windows
Doddle is a free online SIP WebPhone through
which you can make phone calls from within a
webpage.
Doddle is a free online Sip WebPhone through
which you can make phone calls from within a
webpage.
It works with couple of VoIP providers or you can
even fill it with your own Sip settings details.
There is no desktop software to be downloaded at
all. It just uses Java plugin( JVM ) which by
default exists is most browsers. Asterisk (News -
Alert), BT...
Category: Internet / Communications
Publisher: Doddle WebPhone, License: Freeware, Price: USD $0.00, File Size: 564.0 KB
Platform: Windows, Linux
Telepati Sip Phone Freeware allows you to make PC-PC phone-phone calls over the Internet. Developed using Research Labs VOIP Sip Phone SDK, this free soft phone brings Sip Protocol support for ActiveX. With this phone once you set the gatekeeper proxy with the username and password from your providers, you can connect and start speaking with anyone on the internet....
Category: Software Development
Publisher: Research Lab Inc, License: Freeware, Price: USD $0.00, File Size: 1.4 MB
Platform: Windows,
MiaPhone is a free SIP-based softphone, which can be used to make or receive calls through Internet.
MiaPhone is a free Sip-based softphone, which can be used to make or receive calls through Internet. It is compatible with all Voip (Voice over IP) service providers, that support Sip Protocol.
Main features:
- Compatible with Windows 98/Me/2000/XP/2003/Vista/7
- Supports work behind NAT/Firewall (STUN is used)
- G.711, GSM, iLBC, G.726...
Category: Internet / Communications
Publisher: Duxoft Lite, License: Freeware, Price: USD $0.00, File Size: 1.9 MB
Platform: Windows
Easy to use VoIP softphone with profile and contact management.
PhonerLite is a clearly arranged and easy to used application for Windows. PhonerLite enables your PC to use it for internet telephony (VoIP, Voice over IP). Pre-conditions are a full-duplex sound card, a microphone and speakers (alternatively a headset), an internet connection and a registration at a provider supporting the Protocol Sip. PhonerLite supports several Sip...
Category: Internet
Publisher: Heiko Sommerfeldt, License: Freeware, Price: USD $0.00, File Size: 2.4 MB
Platform: Windows
OfficeSIP Alerter is a simple, easy-to-use and free sip messenger.
OfficeSIP Alerter is a simple, easy-to-use and free Sip messenger. It was not designed for prolonged chat, it is handy when you need to send or receive single message. It is good replacement for old-fashioned Alerter Service. OfficeSIP Alerter has simple interface but it is based on Session Initiation Protocol, so you can exchange messages with users of Windows Messenger or other...
Category: Internet / Chat
Publisher: OfficeSIP Communications, License: Freeware, Price: USD $0.00, File Size: 665.6 KB
Platform: Windows
iFone-VNN is an Internet phone service of Vietnam Posts and Telecommunications Corporation (VNPT), developed by Sip technology (Session Initiation Protocol) which uses whole or a part of public Internet to establish calls between telephone, personal computer (PC) and other terminal equipments.
Category: Internet / Communications
Publisher: Vietnam Datacommunication Company, License: Freeware, Price: USD $0.00, File Size: 4.8 MB
Platform: Windows
Carousel is software to connect VoIP calls to ordinary telephone lines and vice versa using one of a number of professional telephony devices. It works as a virtual FXO gateway. You install it as a service on any Windows PC. Sip Protocol VoIP calls will be directed out to standard PSTN analog lines through a telephony board. Typical Applications: ~ To create a 1 to 12 FXO gateway...
Category: Internet / SMS
Publisher: NCH Swift Sound Software, License: Freeware, Price: USD $0.00, File Size: 210.0 KB
Platform: Windows
Simply sign up for Sip-discount, enter the appropriate settings in your Sip-device and call at the lowest rates available.
All calls are delivered at the PSTN networks at a fraction of the costs of regular (international) calls. Our cutting-edge technologies ensure crystal clear sound quality and reliability.
Category: Internet / Communications
Publisher: Finarea S.A. Switzerland, License: Freeware, Price: USD $0.00, File Size: 5.1 MB
Platform: Windows
A Windows free SIP IP PBX software.
A Windows free Sip IP PBX software. It is very easy to use and deploy, with powerful features like:ACD, Auto Attendant, Call Park, Ring Group, Conference, Call Pickup Group, Auto Outbound Dialer, Database CDR report, Database PBX Status Report. It supports Sip extensions, Sip accounts, inbound and outbound calls, and customized dial plans. With new plugin feature, you can...
Category: Internet / Communications
Publisher: PCBest Networks, License: Freeware, Price: USD $0.00, File Size: 4.0 MB
Platform: Windows
Freeware
Collanos Phone is a software-only Voice over Internet Protocol (VoIP) phone and a multi-Protocol instant messenger combined in one application. The main features include placing audio & video calls and sending instant messages, including transparently to existing Jabber, MSN, ICQ, AOL, and Yahoo! networks. Following Collanos multi-platform strategy, the product is available in...
Category: Internet / Internet Phone and Teleconferencing
Publisher: Collanos Software Inc., License: Freeware, Price: USD $0.00, File Size: 14.7 MB
Platform: Windows
Full featured VOIP softphone based on the open standard SIP protocol.
Full featured VOIP softphone based on the open standard Sip Protocol. With MizuPhone you can connect to any Sip (proxy and/or registrar) server on the public internet or on your local area network.
MizuPhone tries to combine the Sip compatibility with P2P inteligence and an intuitive GUI. It is a perfect choice for everybody who wants to keep its telephone...
Category: Internet / Communications
Publisher: MizuTech, License: Freeware, Price: USD $0.00, File Size: 8.1 MB
Platform: Windows
Billion Phone - compact convenient SIP phone software for making voice calls using your computer.
Billion Phone - compact convenient Sip phone software for making voice calls using your computer. The main advantage of Billion Phone is ability to show customer balance on the screen when working with Billion Softswitch, Billion PBX and some other Sip servers.
Features
- Sip registration
- Incoming and outgoing calls using Sip
-...
Category: Internet / Communications
Publisher: ProfInfoTech, License: Freeware, Price: USD $0.00, File Size: 2.1 MB
Platform: Windows
Freeware
MizuPhone for iOS is a customizable VoIP softphone for iPhone and iPad. This Sip client can be used with any Sip server, softswitch or PBX using the industry standard Sip and RTP protocols. All common VoIP features are included making this software a suitable solution for all VoIP business needs. The customized version are shipped with custom branding, preconfigured server...
Category: Utilities / Command Line Utilities
Publisher: Mizutech S.R.L, License: Freeware, Price: USD $0.00, File Size: 283.0 KB
Platform: Linux,
The Ingate Startup Tool is an installation tool for Ingate Firewall and Ingate SIParator products using the Ingate Sip Trunking software module or the Remote Sip Connectivity module, which facilitates the setup of complete Sip trunking solutions or remote user solutions.
The Startup Tool can be also be used for the Remote Sip Connectivity module as it sets up...
Category: Software Development / Tools & Editors
Publisher: Ingate Systems, License: Freeware, Price: USD $0.00, File Size: 478.5 KB
Platform: Windows
Net2Phone Sip Dialer can help if you do not require fax functionality for the best possible call quality. This program runs on PCs using Windows Vista, Windows XP, and Windows 2000 or newer with a sound card, speakers, and a microphone. For best performance is recommend using a headset (headphones plus integrated microphone).
Category: Internet / Communications
Publisher: Net2Phone Inc., License: Freeware, Price: USD $0.00, File Size: 4.9 MB
Platform: Windows
Enable your employees call each other for free with OfficeSIP Server.
Enable your employees call each other for free with OfficeSIP Server. Multi-office and trans-national corporations pay thousands of dollars for long-distance calls every month even after considerate savings made possible with IP telephony. Voice over IP is great for saving money on long-distance calls, so why not to make the next step? Enable employees call each other for absolutely free no...
Category: Internet / SMS
Publisher: OfficeSIP Communications, License: Freeware, Price: USD $0.00, File Size: 532.5 KB
Platform: Windows
This project develops a third-party plugin for the Pidgin multi-protocol instant messenger.
This project develops a third-party plugin for the Pidgin multi-Protocol instant messenger. It implements the extended version of Sip/SIMPLE used by various products such as Microsoft Office Communications Server, Reuters Messaging, Microsoft Live Communications Server. With this plugin you should be able to replace your Microsoft Office Communicator client with Pidgin.
Category: Internet / Chat
Publisher: Anibal Avelar, License: Freeware, Price: USD $0.00, File Size: 657.5 KB
Platform: Windows
Minipax is newest generation of Vidosystem Softphone.
Minipax is newest generation of Vidosystem Softphone. Our engineer had successfully recode Sip engine to produce more robust, small application, better nat traversal Sip softphone. Minipax NOW support Sip tunneling. Sip tunneling works where clients firewall blocked or on a country where voip is blocked. Sip tunneling also give more security to voip Minipax...
Category: Internet / SMS
Publisher: Vidosystem, License: Freeware, Price: USD $0.00, File Size: 1.1 MB
Platform: Windows
ZOIPER Free Version 2.0 is a new generation Sip and IAX softphone compatible with the Asterisk platform as any other Sip or IAX capable system. ZOIPER Free Edition features include: * Sip + IAX/IAX 2 protocols * STUN support * STUN server per account * Echo cancellation * DTMF tones sending * Support for multiple audio devices * Automatic user registration...
Category: Internet / Chat
Publisher: Attractel, License: Freeware, Price: USD $0.00, File Size: 2.8 MB
Platform: Windows, Mac, Linux
sipcli is a command line SIP user agent that runs under Windows (XP, 2003 Server) which enables making SIP (Based on RFC 3261) based test calls.
Category: Internet / Terminal and General Utils
Publisher: yasinkaplan.com, License: Freeware, Price: USD $0.00, File Size: 20.0 KB
Platform: Windows
This free plug-in enables you to use Microsoft Fax/Windows Fax and Scan in conjunction with a VoIP environment. Installing and configuring this plug-in enables Microsoft Fax/Windows Fax and Scan to connect to your regular PSTN phone line via a VoIP Gateway (that supports Sip T.38) to successfully send and receive fax transmissions. In addition, when a reliable Sip T.38 connection...
Category: Internet / Communications
Publisher: FaxBack, Inc., License: Freeware, Price: USD $0.00, File Size: 23.8 MB
Platform: Windows
Linphone is an internet phone caller or VoIP (Voice Over IP).
Linphone is an internet phone caller or VoIP (Voice Over IP). This application is free of charge and you can communicate cost free with people all around the world. You can text, talk or even take a video conference with anyone, anywhere. Linphone uses Sip Protocol, which is an open standard for Internet telephony.
Category: Internet / Communications
Publisher: Linphone, License: Freeware, Price: USD $0.00, File Size: 11.6 MB
Platform: Windows
Freeware
Free VOIP / Sip phone (softphone) for Windows. Use your PC as a phone. Works with popular VOIP providers and Sip PBX's (including 3CX Phone System). The interface is easy to use and similar to that of popular Smartphones. 3CXPhone is compact and easy to install across a network. Features include Call Transfer, Call Recording, Hold, Headset support, Call History. Full version, not...
Category: Internet / Internet Phone and Teleconferencing
Publisher: 3CX Ltd, License: Freeware, Price: USD $0.00, File Size: 3.4 MB
Platform: Windows
hayibo is the first SIP softphone application specifically written for business users.
hayibo is the first Sip softphone application specifically written for business users.
hayibo enables you to manage your communications easily and efficiently from your desktop or notebook computer and replaces or complements your hard phone, it allows you to make VoIP calls, see if your contacts are online, send instant or even SMS messages.
Category: Internet / Communications
Publisher: IntuitTech Sdn. Bhd, License: Freeware, Price: USD $0.00, File Size: 22.9 MB
Platform: Windows
ZOIPER Free Version 2.0 is a new generation Sip and IAX softphone compatible with the Asterisk platform as any other Sip or IAX capable system. ZOIPER Free Edition features include: Sip + IAX/IAX 2 protocols, STUN support, STUN server per account, Echo cancellation, DTMF tones sending, Support for multiple audio devices, Automatic user registration, Call transfer, Hold...
Category: Internet / Communications
Publisher: Securax, License: Freeware, Price: USD $0.00, File Size: 2.0 MB
Platform: Windows, Mac, Linux
Freeware
With the MizuDroid free softphone for Android you can make VoIP calls to users anywhere in the world using any VoIP service provider, Sip softswitch or your own PBX. Features include clear voice quality using industry standard codec such as G.729 and wideband codec, auto configuration, VoIP encryption and tunneling, IM, call history and address book, call forward, transfer and...
Category: Utilities / Command Line Utilities
Publisher: Mizutech S.R.L, License: Freeware, Price: USD $0.00, File Size: 3.0 MB
Platform: Linux,
Free VOIP / Sip phone. Use your PC as a phone. Works with any Sip / VOIP provider/ phone service. Use instead of the soft phone provided by your VOIP provider which locks you into their VOIP phone service. Easy to use interface includes dial pad and buttons to transfer or forward a call. Set-up conference calls with a few mouse-clicks. Includes call log, phone-book, call status...
Category: Internet
Publisher: 3CX Ltd, License: Freeware, Price: USD $0.00, File Size: 1.1 MB
Platform: Windows
TCP is Transmission Control Protocol and IP is Internet Protocol.
TCP is Transmission Control Protocol and IP is Internet Protocol. These protocols are used together and are the transport Protocol for the internet. When modbus information is sent using these protocols, the data is passed to TCP where additional information is attached and given to IP. IP then places the data in a packet (or datagram) and transmits it.
TCP...
Category: Home & Education / Miscellaneous
Publisher: Simply Modbus, License: Freeware, Price: USD $0.00, File Size: 8.6 MB
Platform: Windows
You need a VoipAlot username and password in order to call via network.
You need a VoipAlot username and password in order to call via network. VoipAlot will work with every Sip device or Sip software. VoipAlot is a telephony client that allows you to make calls from your PC. VoipAlot offers a simple tool for Symbian users to make Cheap phone calls.
Category: Internet / Communications
Publisher: voipalot, License: Freeware, Price: USD $0.00, File Size: 4.9 MB
Platform: Windows
HonestCall Softphone application is a multifunctional communicator enabling voice over IP, SMS over IP and instant messaging.
Main Features:
- Based on Sip Protocol
- Embedded VoIP tunnel proprietary technology allowing for making and receiving calls behind firewalls and VoIP blockades.
- Call conference up to 8 users
- Phone book...
Category: Internet / Communications
Publisher: HonestCalls, License: Freeware, Price: USD $0.00, File Size: 10.5 MB
Platform: Windows
Freeware
MizuPhone is a Sip Client for Windows which lets you make VoIP/Sip calls to users anywhere in the world using any VoIP service provider, Sip server or your own PBX. Features: -Easy to use, zero-touch configuration -Multiple profiles, multiple lines -Superior voice quality with audio enhancements: Echo canceller (AEC), Automatic Gain Control (AGC), Voice Activity...
Category: Utilities / Command Line Utilities
Publisher: Mizutech S.R.L, License: Freeware, Price: USD $0.00, File Size: 4.3 MB
Platform: Windows
Freeware
MizuPhone is a free Sip softphone for windows which lets you make VoIP/Sip calls to users anywhere in the world using any VoIP service provider, Sip server or your own PBX. Features: -Easy to use, zero-touch configuration -Multiple profiles, multiple lines -Superior voice quality with audio enhancements: Echo canceller (AEC), Automatic Gain Control (AGC), Voice...
Category: Utilities / Command Line Utilities
Publisher: Mizutech S.R.L, License: Freeware, Price: USD $0.00, File Size: 7.6 MB
Platform: Windows
Kapanga Softphone is a powerful and unique Sip software telephone that lets users make phone and video calls as well as send/receive fax from one single software application using any Voice over IP (VoIP) telephony provider.
As a fully featured Sip client, Kapanga Softphone is designed from the ground up to work with current and future IP-based communications systems and...
Category: Internet / Communications
Publisher: Ecotronics Ventures LLC, License: Freeware, Price: USD $0.00, File Size: 13.4 MB
Platform: Windows
COLLANOS PHONECollanos Phone is a software-only Voice over Internet Protocol (VoIP) phone and a multi-Protocol instant messenger combined in one application. The main features include placing audio & video calls and sending instant messages, including transparently to existing Jabber, MSN, ICQ, AOL, and Yahoo! networks. Following Collanos? multi-platform strategy, the product...
Category: Internet / SMS
Publisher: Collanos Software Inc., License: Freeware, Price: USD $0.00, File Size: 17.0 MB
Platform: Mac, Linux
COLLANOS PHONECollanos Phone is a software-only Voice over Internet Protocol (VoIP) phone and a multi-Protocol instant messenger combined in one application. The main features include placing audio & video calls and sending instant messages, including transparently to existing Jabber, MSN, ICQ, AOL, and Yahoo! networks. Following Collanos? multi-platform strategy, the product...
Category: Internet / SMS
Publisher: Collanos Software Inc., License: Freeware, Price: USD $0.00, File Size: 16.4 MB
Platform: Linux
Free VOIP / SIP phone (softphone).
Free VOIP / Sip phone (softphone). Use your PC or laptop as a phone. Works with any Sip / VOIP provider/ phone service. Use instead of the soft phone provided by your VOIP provider which locks you into their VOIP phone service. Easy to use interface to transfer, forward calls or review history of calls. Call log, caller ID, integrates with MS Outlook. Available in many languages....
Category: Internet / SMS
Publisher: 3CX Ltd, License: Freeware, Price: USD $0.00, File Size: 3.3 MB
Platform: Windows
MSNProtocol Analyzer(MSNPAnalyzer) is a network utility that can monitor (or capture, monitor) the sessions of MSN Protocol. If you use this program in conbination with SwitchSniffer program, you can capture and see all the MSNP sessions including conversations and MSN commands. >>>Benefits and Features: -. MSNPAnalyzer can monitor 2 NICs or more at once. -. MSNPAnalyzer...
Category: Internet
Publisher: NextSecurity.NET, License: Freeware, Price: USD $0.00, File Size: 1.2 MB
Platform: Windows
VoIP Callbackbutton for the own Website!
VoIP Callbackbutton for the own Website!
Callback-Button is a tariff for a VoIP Callbackbutton for the own Website. Feature: With outgoing discussions to other Sip- and IAX addresses according to standard the Sip- and/or IAX address as well as the name are transferred - alternatively also anonymous.
Own outgoing call number: optionally can be transferred also the...
Category: Internet / Communications
Publisher: Onlineb?cher, License: Freeware, Price: USD $0.00, File Size: 582.0 KB
Platform: Windows
Wireshark is the world's foremost network Protocol analyzer, and is the standard in many industries. It is the continuation of a project that started in 1998. Hundreds of developers around the world have contributed to it, and it is still under active development. It is cross-platform, features both GUI and CLI interfaces, and supports deep analysis of hundreds of protocols.
Category: Internet / Monitoring
Publisher: Wireshark development team, License: Freeware, Price: USD $0.00, File Size: 22.5 MB
Platform: Windows, Mac, Linux, Unix, Other
VoIP Callbackbutton for the own Website!
VoIP Callbackbutton for the own Website! Business QoS is a tariff for a VoIP Callbackbutton for the own Website. Feature: With outgoing discussions to other Sip- and IAX addresses according to standard the Sip- and/or IAX address as well as the name are transferred - alternatively also anonymous. Own outgoing call number: optionally can be transferred also the existing fixed net...
Category: Internet / SMS
Publisher: SiPHelp, License: Freeware, Price: USD $0.00, File Size: 583.7 KB
Platform: Windows
A Free Windows Sip PBX, with rich and powerful features like ACD(Automatic Call Distribution), Ring Group, Call Parking, Auto Attendant, Pickup Group, Conference, Auto-Dialer, Database CDR report, Database PBX Status Report, and much more. You can set up your own call-center in just a few of minutes. Support Plugin now. Customize your IVR menu by C# or vb.NET. V3 is completely database...
Category: Software Development / Misc. Programming
Publisher: PC Best Networks, License: Freeware, Price: USD $0.00, File Size: 4.8 MB
Platform: Windows
Freeware
The Express Talk softphone works like a telephone to let you make calls through your computer and you can call anyone via the internet who has installed it (or any other Sip softphone). Connect your webcam or other video device and you can see and speak to family, friends and colleagues around the world. Calls computer to computer are always free. You can also call ordinary 'real'...
Category: Business & Finance / Business Finance
Publisher: NCH Software, License: Freeware, Price: USD $0.00, File Size: 684.5 KB
Platform: Windows
Nimbuzz Phone is company's utility SIP caller for windows platform.
Nimbuzz Phone is company's utility Sip caller for windows platform.
Nimbuzz - Call is a leading Voice over IP Solution (VoIP Solution) Provider and System Integrator. IT is made for delivering high standards in solutions for entrepreneurs, carriers, VoIP Calling Card Operators and Corporate companies based on VoIP. It provides services like VoIP Termination, Wholesale...
Category: Internet / Communications
Publisher: Nimbuzz - Call, License: Freeware, Price: USD $0.00, File Size: 1.6 MB
Platform: Windows
TimeStampClient is designed to be a client software for Time-Stamp Protocol (TSP) defined by RFC 3161. Consists of single executable file. Supports TCP Socket Based Protocol. Supports Time-Stamp Protocol via HTTP/HTTPS. supports client certificate authentication over HTTPS.
Category: Business & Finance / Business Finance
Publisher: TC TrustCenter, License: Freeware, Price: USD $0.00, File Size: 755.0 KB
Platform: Windows
You can enjoy a highly straightforward interface of a typical Windows program without any fancy skins and confusing button placement.
The Sip softphone is simple and easy to use while giving you everything you need to facilitate communication around the office. Audio and video quality is exceptionally good and the program is fully compatible with a number of different...
Category: Internet / Chat
Publisher: OfficeSIP Communications, License: Freeware, Price: USD $0.00, File Size: 5.3 MB
Platform: Windows
fring is a free mobile VoIP software that lets you talk and live chat (IM) using your handset's Internet connection instead of costly mobile airtime (GSM) minutes. fring enables free mobile calls over Wi-Fi Internet access or your GPRS, EDGE or 3G Internet data plan. fring lets you easily communicate with all your fring, Skype, MSN Messenger, Google Talk, Twitter and regular phone contacts...
Category: Internet / Communications
Publisher: Fringland, License: Freeware, Price: USD $0.00, File Size: 350 B
Platform: Unknown
Best phone is a Sip based VoIP soft phone, which integrates robust technologies such as Sip stack by NIST (National Institute of Standards and Technology) and Java, JMF from Sun Microsystems. Best phone is a free downloadable soft phone which enables you to make calls from pc to pc, pc to mobile and pc to landline. Best phone offers you a free phone number to make free pc to pc...
Category: Internet
Publisher: Daily Offerz, License: Freeware, Price: USD $0.00, File Size: 20.0 MB
Platform: Windows
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