VoxForge IVR Wiki

•  SIP Client Software, User Agents, Source Code
•  74 Open Source VoIP Apps & Resources
• summary:

SIP Clients (User Agents)

* Multi-Platform

•  SJPhone - Linux, Win32, MacOSX
•  SFLphone - a multi-protocol (SIP/IAX) multi-GUI desktop VoIP phone. Linux, BSD.
•  Linphone - Linux, BSD.
•  Minisip - Linux, Windows XP.
•  OpenWengo - Linux, !MacOSX, and Windows.
•  PhoneGaim - Linspire; built into Gaim?
•  sipXtapi SDK for SIP-based user agents. WIN32, Linux and MacOs? X.
•  OpenZoep

* Linux

•  Twinkle - forgetting the odd name, probably the best native softphone available for Linux
•  Ekiga - (formely GnomeMeeting).
•  Cockatoo - SIP/SIMPLE extension for Thunderbird (XPCOM component/XUL interface).
•  YeaPhone - For use with the Yealink USB handset (USB-P1K).

* Windows

•  1videoConference - live web conferences for Web, Audio/ Video phone, Skype, Msn and Yahoo users to instantly participate in.

IAX Clients (User Agents)

•  MozIAX - MozIAX is a Firefox VoIP extension, cross platform software
•  IAXComm - cross-platform application
•  Kiax
•  QtIAX - QtIAX
•  YakaSoftware