Sip

ZOIPER Free Version 2.0 is a new generation IAX and SIP softphone compatible with the Asterisk platform as any other IAX or SIP capable system. ZOIPER Free Edition features include: IAX/IAX 2 + SIP protocols, STUN support, STUN server per account, Echo cancellation, DTMF tones sending, Support...

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...

The Vovida SIP stack is an implementation of the protocol defined in RFC 2543, the Session Initiation Protocol, which can be used to initiate voice connections (phone calls) over IP networks. It offers an object-oriented C++ API as well as sample applications demonstrating its use..


Platforms: *nix

Web Interface for SIP Trace is a PHP Web Interface that permits you to connect on a remote host/port and listen/filter. Web Interface for SIP Trace was born as a prof concept of the idea to capture SIP traffic from a remote host (SIP Proxy, Gateway, etc) and show up alive SIP messages about an...


Platforms: *nix

SIP Express Router (ser) is a high-performance, configurable, free SIP ( RFC3261 ) server . SER features an application-server interface, presence support, SMS gateway, SIMPLE2Jabber gateway, RADIUS/syslog accounting and authorization, server status monitoring, FCP security, etc. Web-based user...


Platforms: *nix

SIP Inspector is a tool written in JAVA to simulate different SIP messages and scenarios. You can create your own SIP signaling scenarios, customize SIP messages and monitor incoming and outgoing messages. The tool can play RTP streams from a pcap file. for WindowsAll


Platforms: Windows

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...


Platforms: Palm OS, Windows, Windows CE

Brekeke SIP Server provides a SIP-based communication platform for a wide variety of service providers and enterprises. This product offers SIP over TCP/UDP support, original NAT traversal functionality, as well as a number of flexible call control functions. Our carrier-class edition (Advanced...


Platforms: Windows

Brekeke SIP Server provides a SIP-based communication platform for a wide variety of service providers and enterprises. This product offers SIP over TCP/UDP support, original NAT traversal functionality, as well as a number of flexible call control functions. Our carrier-class edition (Advanced...


Platforms: Linux

Brekeke SIP Server provides a SIP-based communication platform for a wide variety of service providers and enterprises. This product offers SIP over TCP/UDP support, original NAT traversal functionality, as well as a number of flexible call control functions. Our carrier-class edition (Advanced...


Platforms: Mac

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...


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

This project contains a SIP stack and server applications built on top of the stack, examples of which are: Stateless Proxy, Registrar,NAT Keepalives,MWI Notifier server. The server applications have been designed to work in association with Asterisk.


Platforms: Windows, Mac, Linux

A software SIP (Voice over IP) Framework, including a phone, written in Python


Platforms: Windows, Mac, BSD, Linux

A Sip live audio feeding agent. The agent captures audio from sound card and sends live audio stream(uLaw) to caller(sip phone) using RTP. It is based on Peers 0.3(http://peers.sourceforge.net/). Can be used in IP telephony to broadcast live audio.


Platforms: Windows, Mac, Linux

SEMS is a GPLv2+ media and application server for SIP based VoIP services. Basic applications like announcement, pre-call announcement, RBT, conference, voicemail, mailbox etc. and lots of example applications available.


Platforms: Mac, BSD, Linux

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.


Platforms: Windows, Mac, Linux

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.


Platforms: Mac, BSD, Solaris, Linux

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