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

FREE VoIP Local, Long Distance & International Calling. VoIP Digital Telephone Service.

Welcome to voip.about.com, your guide site to everything Voice Over IP, also called VoIP, IP Telephony or Internet Telephony. Learn how to make free or cheap local and international calls using your PC or phone. Stay updated on VoIP hows and whats, V...

Software reviews, web apps, tech gadgets and web technology guide

Techexams.net offers free resources for IT certifications including MCSE, MCTS, MCITP, Network+, Security+, CCNA, CCNP, CCIE, CISSP, and CWNA practice exams, study guides and forums

Algo is a leading developer of call recording, visual and audible alerting, security intercom, doorphone, and specialty handset solutions compatible with Nortel, SIP, analog, Centrex, and other telecom technologies.

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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...

Engage, Collaborate, Co-Create and Share your knowledge by asking and answering questions in the discussion forums, commenting on blogs, rating videos, and sharing tips and advice in the wiki-style documents on configuring, troubleshooting, and desig...

VOP Nano : Free SIP softphone

A blog on the latest advice, best practices and tips for making the most of business telephony technology

Get your 800 numbers, toll free numbers, virtual pbx, internet fax and virtual phone system setup online in minutes with Ring Central, the industry leader in hosted business phone services.