Openser

OpenSER is a collaborative project of its users, to develop a scalable and robust SIP server. Anyone can contribute to one of next items: - code development - OpenSER core, modules and adjacent applications - documentation- writing or enriching documentation - miscellaneous - different... Platforms: *nix

Web management interface for SIP Routing engine (OpenSER, Kamailio, SER, SIP-Router) - handle subscriber profiles, access control lists, accounting, least cost routing and load balancing, monitoring charts, xmlrpc communication with SIP server Platforms: Windows, Mac, Linux

Kamailio (former OpenSER) is an Open Source SIP Server released under GPL, able to handle thousands of call setups per second. Among features: asynchronous TCP, UDP and SCTP, secure communication via TLS for VoIP (voice, video), SIMPLE instant messaging and presence, ENUM, least cost routing,... Platforms: *nix

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

ABTO SIP SDK provides a solution to quickly build VoIP softphone that can dial and receive calls on your computer or add VoIP features into your software or web website. Our powerful and highly customizable VoIP client designed as ActiveX control and has wide range of Features:... Platforms: Windows, Windows CE

Video VoIP SIP SDK is a solution to quickly build VoIP softphone that can dial and receive audio and video calls on your computer or add VoIP features into your software or web website. Video VoIP SIP SDK is based on IETF standards (SIP, STUN, etc.) so it is compatible with standard registrars... Platforms: Windows, Windows CE

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

ABTO SIP SDK provides a solution to quickly build VoIP softphone that can dial and receive calls on your computer or add VoIP features into your software or web website. Our powerful and highly customizable VoIP client designed as ActiveX control and has wide range of Features: fully-customizable... Platforms: Windows

ABTO VoIP SIP SDK offers a number of features that is required to build a successful softphone solution to satisfy needs of individuals and small to big corporate users. It is developed on the basis of up-to-date technologies and supports a variety of programming languages. In particular among... Platforms: *nix