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

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

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 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

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

VoIP Traffic Administrator 1.01 beta
VTA is a system that enables VoIP Telephony operator to see a current state of calls, both - successful and failed. Information about traffic is generated in off-line mode. That means balance is calculated after a call termination. If any of the...

Freeware Price: Free
Download Size: 40294 KB Platform Windows XP, Windows, 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

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

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 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

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

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

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 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

Minipax
Minipax is newest generation of Vidosystem Softphone. Our engineer had successfully recode sip engine to produce more robust, small application, better nat traversal sip softphone. Minipax NOW support SIP tunneling. SIP tunneling works where...

Freeware Price: Free
Download Size: 1085 KB Platform Windows 2000, Windows, Windows XP, Windows 2003, Windows Vista

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 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 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 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

VSoft3
The VSoft Phone is a simple to use internet telephone system that can reduce your call costs. It uses the latest technology to let you make calls to friends, family, and business associates anywhere in the world without any chunky telephone...

Freeware Price: Free
Download Size: 3818 KB Platform Windows XP, Windows 2003

VOIP Quick Guide
Designed for networking and telecom engineers, admins and communication technology educators and students, this VOIP technology quick guide covers all related technologies: SIP, H.323 and xGCP signaling architecture and technologies, VOIP...

Data Only Price: USD $13.99
Download Size: 33 KB Platform Unknown

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

VoIP SIP SDK for .NET and ActiveX
VoIP SIP SDK for .NET and ActiveX - 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...

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

VoIP SIP SDK with DLL, ActiveX and .NET
VoIP SIP 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...

Commercial Price: USD $999.00
Download Size: 5250 KB Platform Windows XP, Windows Vista, Windows 2003, Windows 2000, Windows CE, Pocket PC, Linux

MizuPhone
Full featured VOIP softphone based on the open standard SIP protocol. With MizuPhone you can connect to any SIP (proxy and/or registrar) server on the public internet or on your local area network. MizuPhone tries to combine the SIP...

Shareware Price: USD $40.00, EUR 26
Download Size: 92773 KB Platform Windows XP, Windows Vista, Windows NT, Windows Me, Windows 98, Windows 95, Windows 2003, Windows 2000

SIP SDK
SIP SDK for .NET and ActiveX - 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)...

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

Orion VoIP Monitor
Download a free trial version of SolarWinds Orion VoIP Monitor: Need to extend the capabilities of Orion to VoIP traffic? VoIP Monitor enables you to measure and track the performance of voice quality across Wide Area Networks (WANs), where it...

Shareware Price: USD $1195.00
Download Size: 9492 KB Platform Windows 2003, Windows

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...

Commercial Price: USD $1499.00
Download Size: 7838 KB Platform Windows XP, Windows Vista, Windows 2003, Windows 2000, Windows CE, Pocket PC, Linux

vEmotion for VoIP
vEmotion is a perfect VoIP audio assistant. It flawlessly records VoIP calls into MP3 or WAV files with data and infos encrypted and password protected. Also add life to your VoIP voice convsations. Enjoyable things include background music,...

Shareware Price: USD $14.95
Download Size: 2531 KB Platform Windows NT, Windows 2000, Windows XP, Windows 2003