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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...

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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...

soft-switch.org provides DSP and signaling modules for free telephony

VOIP information, troubleshooting and tutorials to correct faxing, voip quality issues (echo), and one-way audio problems. How to best configure your VoIP connection.

Free pc-to-pc, cheap pc-to-phone, pc-to-fax, phone-to-pc calls over Internet, LAN or ISDN/PSTN telephone networks. Use your PC as internet telephone, ISDN phone, USB phone, USB handset, answer phone, fax and voicemail for pc-pc, pc-phone, pc-fax, pho...

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VoIP phone reviews and ratings for your business and residential phone system.

Your Online Guide to Fax Technology

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