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VentureVoIP is a research and development company in the field of Message Broadcasting, Predictive Dialing, PABX, Call Centre Systems and Telephone Exchanges.

3CX VOIP PBX - provides an easy to use, plug and play SIP - IP PABX for Windows. With a software based IP PBX you will save on PBX maintenance and halve your phone bill. Download the FREE edition today and break free from your proprietary phone syste...

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Cisco (NASDAQ: CSCO) is the worldwide leader in networking that transforms how people connect, communicate and collaborate.

Media5 Corporation. Premier Provider of Secure, Survivable MMoIP Branch Office Solutions for Service Providers

Kapanga Softphone is the premier SIP software phone integrating voice, video and fax over IP communications in one single application. Kapanga Softphone lets people make phone calls, video calls and send and receive fax while connected to a Voice ove...

Free Zoiper softphone, Web Phone & SDK for windows, mac, linux & mobile phones. Get your own OEM branded and customized softphone. Free Download

PC-Telephone, free download. PC-Telephone 5.8: Use your computer as an Internet phone.

VoIP softphone, webphone and VoIP server software download. Everything you need for VoIP including customized softphone, high-speed SIP servers and more.

NCH Software is a leader in audio, video, dictation, business, and computer utilities software for Windows and Mac OS X. NCH Software has released over 80 products since 1993 and continues to receive awards for software excellence.

Sangoma is a leading provider of hardware and software components that enable or enhance IP Communications Systems for both telecom and datacom applications.