Sip Dailer

With SIP Proxy you will have the opportunity to eavesdrop and manipulate SIP traffic. Furthermore, predefined security test cases can be executed to find weak spots in VoIP devices. Security analysts can add and execute custom test cases.

Siproxd is a proxy/masquerading daemon for the SIP protocol. It allows SIP clients (softphones & hardphones) to work behind an IP masquerading firewall or router.

Sofia-SIP is an open-source SIP User-Agent library, compliant with the IETF RFC3261 specification (see the feature table).It can be used as a building block for SIP client software for uses such as VoIP, IM, and many other real-time and person-to-person communication services. Sofia-SIP is based...


Platforms: Windows, Mac, *nix, C/C++, BSD Solaris

SIP Witch is an official package of the GNU Project as of August 10th 2007. GNU SIP Witch is also part of GNU Telephony & the GNU Telecom subsystem. GNU SIP Witch is a call and registration server for the SIP protocol. As a call server it services call registration for SIP devices and...


Platforms: Mac

miTester for SIP is an automated SIP testing tool designed and developed to take care of the complex pre-deployment testing of SIP applications easily. This SIP testing tool can be used to simulate SIP call-flows & automate functional, regression tests.


Platforms: Mac

Distributed SIP Analyzer is a SIP protocol analyzer for Unix.It allows you to examine SIP from different local area network.You can interactively browse the capture data, viewing callflow sequence diagram and detail information for each SIP Session.


Platforms: *nix

VaxVoIP SIP SDK gives you important tools and software to create, set up, and adjust VoIP call recording systems that use SIP. You can download example apps and code to help you understand how to do it. VaxVoIP Call Recording SIP SDK includes tools, demo applications, sample code, and software...


Platforms: Windows, Windows 8, Windows 7, Windows Server

Make FREE pc-to-pc, pc-pc and cheap pc-to-phone, pc-phone, pc-to-fax, pc-fax, phone-to-pc, phone-pc, fax-to-pc, fax-pc, SIP-telephone, sip-to-phone calls over Internet/VoIP or ISDN/PSTN telephone networks. Use your computer as internet telephone, USB phone, USB handset, ISDN telephone, ISDN fax,...


Platforms: Windows

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 to transfer, forward calls or set-up conference calls. Call log, call...


Platforms: Windows

Eliminate PBX headaches with 3CX Phone System for Windows! Evolve your communications with 3CX Phone System for Windows - an office phone system/IP PBX that completely replaces your proprietary PBX, supports standard SIP soft/hard phones, VOIP services and traditional PSTN phone lines. 3CX...


Platforms: Windows

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...


Platforms: Windows

Sponsor popup windows driving you nuts while you are browsing the web? SIP takes them OUT with extreme prejudice! Very low CPU useage, you won't even know its running. Dumps its kill list out to a text file so you can distribute it to friends. Comes with a working initial list as a starting...


Platforms: Windows

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...


Platforms: Windows

Fax Boom: It is now possible to send faxes over Betamax SIP network. Fax Boom - fully-functional system of sending and receiving faxes over the Internet in real time (FOIP). Thanks to the support FAX over G711 Fax Boom can send faxes through a network of SIP providers that do not support the...


Platforms: Windows

Fax Voip is a virtual T38 fax COM port for your SIP Network. You can send and receive T38 faxes via SIP networks with standart fax soft. It is also possible to receive T38 faxes directly into TIFF or PDF files without using a standard fax software, and without limiting the number of incoming fax...


Platforms: Windows

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...


Platforms: Windows, *nix

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...


Platforms: Windows, *nix

Jiplet is short for Java SIP Servlet. Jiplet Container project is an open-source container for server-side SIP applications. An application developer can create a SIP application written in Java using the Jiplet API and deploy the application in the container. The container provides a number of...


Platforms: *nix

nagios-check_sip plugin will test a SIP server/device for availability and response time..


Platforms: *nix

SSIP-GST Gaim plugin is an open-source SIP/SIMPLE plugin library, compliant with the IETF RFC3261 specification. SSIP-GST plugin serves as an example GUI client for the Sofia-SIP library. It can be used with Gaim as a SIP client software for uses such as VoIP, IM and presence. Media support is...


Platforms: *nix