VoIP SIP SDK for .NET and ActiveX 2.5.0.4
 VoIP 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.

Free download VoIP SIP SDK with DLL, ActiveX and .NET 2.5.2
 VoIP 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.

Free download Collanos Phone Windows 0.9
 Collanos Phone is a software-only Voice over Internet Protocol (VoIP) phone and a multi-protocol instant messenger supporting Jabber, MSN, ICQ, AOL, and Yahoo! protocol combined in one application. It is available on Windows, Mac OSX, and Linux.

Free download VoIP H.323 SDK for .NET and ActiveX 1.0
 VoIP H.323 SDK A powerful and highly versatile VoIP SDK to accelerate development of H.323 applications and websites. Lost no time and start a massive jump in development and a couple of new customers. Enjoy!

Free download Voicent VoiceXML Gateway 6.0.1
 VoiceXML Gateway VOIP PSTN TAPI development SDK for interactive telephony apps. High level W3C development platform. Supports text-to-speech, voice recognition, DTMF tones for both inbound, outbound apps. Works with VOIP, Skype, and voice modem.

Free download vEmotion for VoIP 5.8
 Flawlessly records VoIP calls and add life to voice conversations. Enjoyable things include music sharing, voice emotion, and text to speech. Compatible with all VoIP clients, among them, Skype,ICQ, Msn/WLM, Gtalk, AIM, YIM, QQ were fully tested.

Free download OYCO Instant Messenger and VoIP Dialer 5.0
 OYCO IM lets you chat with friends on MSN, Yahoo!, AOL/ICQ and Gtalk all at the same time. You don't ever need to switch messengers or remember all those passwords. Want more? Go to OYCO.com to get email, SMS, VoIP and Web IM for just $4.95/month.

Free download SIP Phone DLL 2.4
 SIP Phone DLL - A powerful and highly versatile VoIP SDK. Our SIP Phone DLL 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.

Free download OYCO Instant Messenger and VoIP Dialer 5.0
 OYCO IM lets you chat with friends on MSN, Yahoo!, AOL/ICQ and Gtalk all at the same time. You don't ever need to switch messengers or remember all those passwords. Want more? Go to OYCO.com to get email, SMS, VoIP and Web IM for just $4.95/month.

Free download 3CX Phone System for Windows Free 5.1
 3CX VOIP Phone System FREE edition is a SIP-based IP PBX developed for Windows. Easy to install & configure, it eliminates phone wiring & allows hot desking. Lowers call costs via VOIP providers & eliminates vendor lockin. Download FREE edition!

Free download cFos XP/2000/2003 Server/NT Professional 7.50
 cFos, Dial-Up & Acceleration with Traffic Shaping. Maximum Download & Minimum Ping. For DSL, ISDN, Cable, Modem, Mobile, Filesharing (P2P), Online Games, VoIP, Streaming Media, free configurable Prioritization and Tuning

Free download BigAnt Messenger for Enterprise 2.2
 BigAnt Messenger for enterprise is a secure corporate instant messaging program, instant messaging, file sharing, voip, video chat and more.

Free download VoIP DLL, OCX/ActiveX, COM, C-interface and .NET for Windows and Linux 2.1
 VoIP DLL,OCX/ActiveX,NET - A simple way to VoIP-enable your applications and websites. The conaito VoIP EVO SDK contains a high performance VoIP conferencing client capable of delivering crystal clear sound even for both low and high-bandwidth users.

Free download
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