H323 VoIP SDK
H323 VoIP SDK provides a powerful and highly customizable solution to quickly add H.323 based dial and receive phone calls features in your software applications. It accelerates the development of H.323 compliant soft phone with a...

Shareware Price: USD $399.00
Download Size: 3127 KB Platform Windows XP, Windows Vista, Windows 2003, Windows 2000

3CXPhone FREE VoIP Phone for Windows
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). The interface is easy to use and similar to that of popular Smartphones. 3CXPhone is compact and...

Freeware Price: Free
Download Size: 3472 KB Platform Windows XP, Windows Vista, Windows 2003, Windows 2000

3CX Phone System for Windows Free
Eliminate PBX headaches with 3CX Phone System for Windows! Evolve your communications with 3CX Phone System for Windows - an office phone system/IP PBX that completely replaces your proprietary PBX, supports standard SIP soft/hard phones, VoIP...

Freeware Price: Free
Download Size: 33243 KB Platform Windows XP, Windows Vista, Windows 2003, Windows 2000

3CX FREE VOIP Phone for Windows
Free VOIP / SIP phone (softphone). Use your PC or laptop 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...

Freeware Price: Free
Download Size: 3395 KB Platform Windows XP, Windows Vista, Windows 2003, Windows 2000

Telepati SIP Phone Freeware
Telepati SIP Phone Freeware allows you to make PC-PC phone-phone calls over the Internet. Developed using Research Labs VOIP SIP Phone SDK, this free soft phone brings SIP protocol support for ActiveX. With this phone once you set the gatekeeper...

Freeware Price: Free
Download Size: 1474 KB Platform Windows 95, Windows, Windows 98, Windows Me, Windows NT, Windows 2000, Windows XP, Windows 2003, Windows CE, PDA

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 includes dial...

Freeware Price: Free
Download Size: 1103 KB Platform Windows 95, Windows 98, Windows Me, Windows NT, Windows 2000, Windows XP, Windows 2003

Uplink Skype to Sip Adapter
Uplink connects SIP protocol VoIP calls to the proprietary Skype phone network. It works in both directions. The SIP protocol has become the industry standard for VoIP. Thousands of telephone companies, IP phone manufacturers and virtual IP based...

Shareware Price: USD $27.50
Download Size: 23828 KB Platform Windows 98, Windows, Windows Me, Windows 2000, Windows XP, Windows 2003

Carousel Telephony Adapter
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. You install it as a service on any Windows PC. SIP protocol VoIP...

Freeware Price: Free
Download Size: 21094 KB Platform Windows 2000, Windows, Windows XP, Windows 2003, Windows Vista

SIP Softphone ActiveX
SIP Softphone ActiveX - A powerful and highly versatile VoIP SDK to accelerate development of SIP applications.

Commercial Price: USD $999.00
Download Size: 8137 KB Platform Windows XP, Windows Vista, Windows 2003, Windows 2000, Windows CE, Pocket PC, Linux

VoIP SIP SDK
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 compliant soft phone with a fully-customizable...

Shareware Price: USD $1499.00
Download Size: 8859 KB Platform Windows XP, Windows Vista, Windows 2003, Windows 2000

PC-Telephone
Make FREE pc-to-pc, pc-pc and cheap pc-to-phone, pc-phone, pc-to-fax, pc-fax, phone-to-pc, phone-pc, fax-to-pc, fax-pc calls over Internet/VoIP or ISDN/PSTN telephone networks. Use your computer as internet telephone, USB phone, USB handset, ISDN...

Shareware Price: USD $35.00, EUR 35
Download Size: 1237 KB Platform Windows XP, Windows Vista, Windows NT, Windows Me, Windows 98, Windows 95, Windows 2003, Windows 2000

conaito VoIP ActiveX SDK
conaito VoIP ActiveX library for developers of VoIP audio applications, such as voice chat, conference, VoIP, providing real-time low latency multi-client audio streaming over UDP/IP networks. Includes efficient components for sound recording,...

Commercial Price: USD $369.00
Download Size: 767 KB Platform Windows 95, Windows 98, Windows Me, Windows NT, Windows 2000, Windows XP, Windows 2003

Quorum Call Conference Software
Quorum is software which runs as a phone conference server on any Windows PC. Callers dial into the server to join telephone conferences. Callers can connect to a conference call using either standard or VoIP lines on external telephone numbers or...

Shareware Price: USD $68.00
Download Size: 849 KB Platform Windows 98, Windows, Windows 2000, Windows XP, Windows 2003, Windows Vista

VoIP EVO SDK for Pocket PC and Windows Mobile
conaito VoIP EVO SDK for Pocket PC and Windows Mobile - A simple way to VoIP-enable your Pocket PC applications Conaito VoIP EVO SDK for Pocket PC contains a C-API DLL and a COM control of the VoIP EVO client that can be used from any programming...

Commercial Price: USD $899.00
Download Size: 4228 KB Platform Windows XP, Windows Vista, Windows 2003, Windows 2000, Windows CE, Pocket PC, Linux

VoIP Review
Get unlimited local/long distance calling with VoIP! VoIP Reviews at VoIPReviewer.net - providing consumers with easy access to reviews and comparisons of the top Voice Over Internet Phone (VoIP) providers on the web.

Freeware Price: Free
Download Size: 1157 KB Platform Windows 95, Windows, Windows 98, Windows Me, Windows XP, Windows 2000, Windows 2003, Windows Vista

PBXPress Live CD Demo
PBXpress is a modern-day replacement for traditional PBX systems. Instead of working with wires and cables, it utilizes Internet technologies. In particular, it uses VoIP (voice over IP) technology to transmit calls. All of your phones are...

Demo Price: USD $499.00
Download Size: 123904 KB Platform Linux

Voice over IP H323 SDK
Our brand-new VoIP H.323 SDK provides a powerful and highly customizable solution to quickly add H.323 based dial and receive phone calls features in your software applications. It accelerates the development of H.323 compliant soft phone with a...

Shareware Price: USD $99.00
Download Size: 3803 KB Platform Windows XP, Windows Vista, Windows 2003, Windows 2000

Twilight Utilities Skype Forwarder
Skype to phone and phone to Skype. Never miss a Skype call again. Skype Forwarder forwards Skype calls to your cell phone. As well it functions as a phone to Skype gateway. Use your cell phone to make and receive Skype calls. Use your voice modem...

Shareware Price: USD $19.95
Download Size: 1698 KB Platform Windows 2000, Windows XP, Windows 2003

VoIP EVO SDK for Windows and Linux
conaito VoIP EVO SDK - 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....

Commercial Price: USD $899.00
Download Size: 11481 KB Platform Windows XP, Windows Vista, Windows 2003, Windows 2000, Windows CE, Pocket PC, Linux

Voip Solution
Voip Solution software with free phone number, use your computer to get messages. Get your free VOIP Answering machine with free voicemail account. No charges, no strings, completely free phone number you can give out as your own. You get free...

Freeware Price: Free
Download Size: 380 KB Platform Windows XP, Windows Me, Windows 98, Windows 2000

VOIP H323 Phone SDK
VOIP H323 DLL Soft Phone SDK brings H.323 protocol support for ActiveX. With this SDK one can create a simple program to connect and start speaking with anyone with a direct IP Address or use the Gateway or the Gatekeeper to connect to /or from...

Shareware Price: USD $399.00
Download Size: 5376 KB Platform Windows 98, Windows, Windows Me, Windows NT, Windows 2000, Windows XP, Windows 2003, Windows CE, PDA, Pocket PC

conaito VoIP SDK ActiveX
conaito VoIP SDK ActiveX for developers of VoIP audio applications and webpages, such as voice chat, conference, VoIP, providing real-time low latency multi-client audio streaming over UDP/IP networks. Includes efficient components for sound...

Commercial Price: USD $369.00
Download Size: 4730 KB Platform Windows 98, Windows, Windows Me, Windows 2000, Windows XP, Windows 2003, Windows Vista

conaito VoIP Extended SDK ActiveX
conaito VoIP SDK ActiveX for developers of VoIP audio applications and webpages, such as voice chat, conference, VoIP, providing real-time low latency multi-client audio streaming over UDP/IP networks. Includes efficient components for sound...

Commercial Price: USD $499.00
Download Size: 2488 KB Platform Windows 98, Windows, Windows Me, Windows 2000, Windows XP, Windows 2003

conaito VoIP Standard SDK ActiveX
conaito VoIP SDK ActiveX for developers of VoIP audio applications and webpages, such as voice chat, conference, VoIP, providing real-time low latency multi-client audio streaming over UDP/IP networks. Includes efficient components for sound...

Commercial Price: USD $369.00
Download Size: 2170 KB Platform Windows 98, Windows, Windows Me, Windows 2000, Windows XP, Windows 2003, Windows Vista

conaito VoIP Enterprise SDK ActiveX
conaito VoIP SDK ActiveX for developers of VoIP audio applications and webpages, such as voice chat, conference, VoIP, providing real-time low latency multi-client audio streaming over UDP/IP networks. Includes efficient components for sound...

Commercial Price: USD $699.00
Download Size: 4730 KB Platform Windows 98, Windows, Windows Me, Windows 2000, Windows XP, Windows 2003, Windows Vista

Vbuzzer Messenger
All in one instant messaging software that support VoIP, internet fax, RSS, video conferencing, and support Windows Live Messenger, Yahoo Messenger, AIM, and ICQ. VoIP features include free internet calls, low cost PC to phone, and phone to PC...

Freeware Price: Free
Download Size: 244 KB Platform Windows XP, Windows Vista, Windows 2003, Windows 2000

Twilight Utilities Phone Server
Internet phone server / gateway software for the home and small business. A true software voip solution without expensive hardware. Take your old voice modem and give it new life. Our innovative software gives you full remote control of your...

Shareware Price: USD $34.95
Download Size: 2827 KB Platform Windows 2000, Windows XP, Windows 2003

Text-To-VoIP Plug-In for MorphVOX Pro
The Text-To-VoIP Plug-In for MorphVOX Pro allows you to speak over the Internet or soft-phone using customizable text-to-speech voices. This plug-in is helpful for people who cannot speak with their own voice or who would like a text alternative...

Commercial Price: USD $15.95
Download Size: 1029 KB Platform Windows XP, Windows Vista, Windows 2000

Collanos Phone Linux
Collanos Phone is a software-only Voice over Internet Protocol (VoIP) phone and a multi-protocol instant messenger combined in one application. The main features include placing audio & video calls and sending instant messages, including...

Freeware Price: Free
Download Size: 16772 KB Platform Linux

SIP Phone DLL
SIP Phone DLL for .NET and ActiveX - A powerful and highly versatile VoIP SDK to accelerate development of SIP applications. Our brand-new SIP Phone DLL provides a powerful and highly versatile solution to add quickly SIP (Session Initiation...

Commercial Price: USD $999.00
Download Size: 5718 KB Platform Windows XP, Windows Vista, Windows 2003, Windows 2000, Windows CE, Pocket PC, Linux