Free Voip Sdk
VoIP H.323 SDK for .NET and ActiveX
VoIP H.323 SDK - A powerful and highly versatile VoIP SDK to accelerate development of H.323 applications and websites Our brand-new VoIP H.323 SDK provides a powerful and highly versatile solution to add quickly H.323 based dial and receive phone calls
VoIP SIP Client SDK
VoIP SIP Client SDK - A powerful and highly versatile VoIP SDK to accelerate development of SIP applications. Our brand-new SIP SDK provides a powerful and highly versatile solution to add quickly SIP (Session Initiation Protocol) based dial and receive
VoIP SIP SDK with DLL, ActiveX and .NET v.2.5.2
VoIP SIP SDK - A powerful and highly versatile VoIP SDK to accelerate development of SIP applications.
3CX VOIP Phone for 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
SIP SDK v.1.5
SIP SDK - A powerful and highly versatile VoIP SDK. Our SIP SDK provides a powerful and highly versatile solution to add quickly SIP (Session Initiation Protocol) based dial and receive phone calls features in your software applications.
PortGo v.6.0
The newest SIP softphone. PortGo is built base on PortSIP VoIP SDK, allowing users to enjoy multimedia communications in a dynamic way.Featuring an intuitive interface,
SIP DLL v.1.1
SIP DLL - A powerful and highly versatile VoIP SDK to accelerate development of SIP applications.
SIP Softphone ActiveX v.1.1
SIP Softphone ActiveX - A powerful and highly versatile VoIP SDK to accelerate development of SIP applications.
Linphone v.3. 4. 2003
Linphone is an internet phone or Voice Over IP phone (VoIP). With Linphone you can communicate freely with people over the internet, with voice, video, and text instant messaging.
JavaVoIP v.1.0
Compact but full featured Java VoIP library in a single 1 MB .jar for developers to easily build SIP client applications or add VoIP call capabilities into any Java application.
Quick PDF Library Lite v.7.19
Quick PDF Library Lite is a completely free PDF SDK you can use to convert images to PDF, add links to the web, get and set document properties, rotate pages, analyze document security and add images & text to documents - to your applications.