Free Download voip sdk Software

Win XP/2000/Server/Vista/Vista x64

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 compliant soft phone with a fully-customizable user interface and brand name. VoIP SIP SDK contains a high performance VoIP conferencing client capable of delivering crystal clear sound even for both low and high-bandwidth users and SIP compatible
Download Free Trial ( 0.11 MB )

Win Other/98/XP/2000/Server

VAX VoIP SDK (Software Development Kit) is the easiest way to add PC-To-PC Voice Conferencing & Text Conferencing over the Internet Protocol (VoIP) feature into your applications and Web pages. It is really easy to incorporate VaxVoIP controls into your web pages and/or applications.Sample Source codes are available to download. The VaxVoIP component is signed by Microsoft Authenticode Certificate.
Download Free Trial ( 1.14 MB )

Win 98/Other/2000/XP/Server

conaito VoIP SDK ActiveX for developers of VoIP audio applications and webpages, such as voice chat, conference, VoIP, real-time low latency multi-client audio streaming over UDP/IP networks. Includes efficient components for sound recording, playback, encoding, decoding, mixing, resampling, reading, and writing wave files, mixer volume controls access. Provides UDP/IP server and client components for peer-to-peer, multi-user and broadcast.
Download Free Trial ( 0.75 MB )

Win 98/Other/2000/XP/Server/Vista/Vista x64, Mac Other, Li...

VOIP H323 DLL Soft Phone SDK brings H.323 protocol support for ActiveX. With it 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 PSTN lines.
Download Free Trial ( 5.25 MB )

Win Other/98/2000/XP/Server

Vax VoIP activeX is the easiest way to add PC-to-PC multiuser voice chat and text chat in your applications and webpages. Three or more persons can have a real time voice conference and can even record the conversation into wave (.wav) file.
Download Free Trial ( 1.31 MB )

Win Other/98/2000/XP/Server

VaxVoIP SIP SDK provides tools and components to quickly add SIP (Session Initiation Protocol) based IP-Telephony make and receive phone calls feature in your web pages and software applications. You can easily develope net-to-phone apps & web pages.
Download Free Trial ( 10.20 MB )

Windows All

VaxVoIP SIP SDK provides tools and components to quickly add SIP (Session Initiation Protocol) based IP-Telephony make and receive phone calls feature in your web pages and software applications. You can easily develope net-to-phone apps & web pages.
Download Free Trial ( 10.20 MB )

Win XP/2000/Server/Vista/Vista x64

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 customizable user interface and brand name.
Download Free Trial ( 3.71 MB )

Win Other/98/2000/XP/Server

VoIPerized is a so called VoIP (Voice over IP) program. VoIPerized enables you to make free audio calls to other people who also run VoIPerized. By using the open source Speex audio codec the audio quality is far higher than any normal telephone call
Download Freeware ( 0.31 MB )

Win XP/Server/Vista/Vista x64

Voip is a contemporary telecomms technology that can be confusing for interested business users and coders. To reduce the mystery of IP telephony use this handy Internet Explorer toolbar. You'll learn about voip, and other developments.
Download Freeware ( 1.52 MB )

Win 98/2000

The program is used for conversation in a local network.
Download Freeware ( 0.67 MB )

Win 98/2000/XP/Server/Vista/Vista x64, Linux, Pocket PC, P...

Embedded Windows CE VOIP SIP or H323 Developers Kit
Download Free Trial ( 2.41 MB )

Win 2000/XP/Server/Vista

A powerful real-time sound/audio recorder for VOIP.
Download Free Trial ( 2.16 MB )

Win 2000/7 x32/7 x64/Vista/Vista x64/XP

VoIP call recorder with music sharing and text to speech ability
Download Free Trial ( 3.59 MB )

Win Server

VoIP Monitor: Robust management for VoIP infrastructure at an affordable price
Download Free Trial ( 9.27 MB )

Win XP/Vista/Vista x64/2000/98/Other

Bigear VoIP recorder - record sounds of other softwares(VOIP,skype)
Download Free Trial ( 2.27 MB )

Win XP/2000/Vista/Vista x64

Free and high-quality voice communications to people all over the world.
Download Freeware ( 4.03 MB )

Win 98/Other/XP/2000/Server

Automatic Desktop Pphone dialing software for Skype and Jajah - VOIP Phone Buddy
Download Free Trial ( 2.24 MB )

Win XP/7 x32/7 x64/2000/Server/Vista/Vista x64

Free VOIP Phone. Use your PC as a phone. Works with any SIP/ VOIP provider.
Download Freeware ( 3.39 MB )

Win 98/Other/XP/2000/Server

Automatic Desktop Pphone dialing software for Skype and Jajah - VOIP Phone Buddy
Download Free Trial ( 2.24 MB )

Win Other/98/XP/2000/Server

Software development kit to integrate software patching into your own app
Download Free Trial ( 0.83 MB )

Win 98/Other/2000/XP/Server

The Cyber Software Development Kit (SDK) contains dbgrid & navigator controls
Download Free Trial ( 3.72 MB )

Win Other/98/2000/XP/Server, Linux All, Unix

Voip call rate manager script voip call rate simulator managing script
Download Free Trial ( 0.04 MB )

Win 98/Other/XP/2000, Linux, Unix

VOIP Call Shop Billing Software
Download Free Trial ( 0.01 MB )

Win XP/2000/Server/Vista

Develop SIP based VoIP Server for IP-Telephony and Call-Centers.
Download Free Trial ( 12.28 MB )

Win 98/2000/XP/Vista/Vista x64

Chat on MSN, Yahoo!, AOL/ICQ and Gtalk from OYCO IM + OYCO VoIP Dialer
Download Freeware ( 10.35 MB )

Win Server/XP/2000

Allow to implement various types of Voice Over the Internet Protocol services
Download Free Trial ( 16.00 MB )

Win 98/Other/2000/XP/Server

CubeHelpSDK is an advanced help development system
Download Free Trial ( 0.94 MB )

Win Other/2000/XP/Server/Vista/Vista x64

With AIRMail SDK you can connect to any email client using just one API protocol
Download Free Trial ( 3.82 MB )

Win 2000/7 x32/7 x64/Server/Vista/Vista x64/XP

Easily integrate PDF creation support in your application using novaPDF SDK.
Download Free Trial ( 12.13 MB )