Free voip softswitch downloads, showing 21 - 30 of about 50

Carousel is software to connect VoIP calls to ordinary telephone lines and vice versa using one of a number of professional telephony devices. It works as a virtual FXO gateway.

Free VOIP / SIP phone (softphone). Use your PC as a phone. Works with any SIP / VOIP provider and phone service. Easy to use interface to transfer, forward calls or review history of calls. Free download from http://www.3cx.com

Flawlessly records VoIP calls and addemotion to voice conversations. Enjoyable things include music sharing, voice emotion, and text to speech. Compatible with all VoIP clients,such as Skype,ICQ, Msn/WLM, Gtalk, AIM, YIM, QQ..

Our VoIP SIP SDK provides a powerful and highly customizable solution to quickly add SIP based dial and receive phone calls features in your software applications. It accelerates the development of SIP VOIP applications.

ABTO Software's VoIP SIP SDK allows quick VoIP softphone app development. SIP softphone provides voice, video and IM communication, supports VPN and SRTP connection, and is compatible with most SIP servers.

VoIP Video EVO SDK - A simple way to VoIP- and Video-enable your applications. The conaito VoIP Video EVO SDK contains a high performance VoIP and Video conferencing client capable of delivering crystal clear quality

Our VoIP SIP SDK provides a powerful and highly customizable solution to quickly add SIP based dial and receive phone calls features in your software applications. It accelerates the development of SIP VOIP applications.

VoIP EVO SDK for Pocket PC - A simple way to VoIP-enable your Pocket PC applications. The VoIP EVO SDK contains a high performance VoIP conferencing client capable of delivering crystal clear sound even for both low and high-bandwidth users.

A free H.323 gatekeeper to build VoIP networks, route calls and do authentication and accounting.

Free VOIP / SIP phone (softphone) for Windows. Use your PC as a phone. Works with popular VOIP providers and SIP PBX's (including 3CX Phone System). Easy to use & light weight. Full version, not a lite version! Free download from http://www.3cx.com