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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...

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...

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

OpenText is the global leader in fax software with RightFax, and has sold over 100,000 fax servers worldwide. Other offerings include certified document delivery, hosted fax services, fax appliances, and document management software.

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

HowStuffWorks can answer your home and garden questions. Find explanations, reviews, opinions and prices on home and garden items at HowStuffWorks.

Enabling network and VAS solutions with Session Border Controllers, Media Servers and Video Gateways.

Award-winning fax servers & software. 3,000+ Enterprise customers. Includes Windows fax servers, FoIP, virtual & internet faxing, plus advanced fax routing, management and workflow.

VoIP Chips, VoIP Media Gateways, VoIP Media Servers, VoIP Session Border Controllers, VoIP Security Gateways & VoIP Value Added Applications developed by AudioCodes, leaders in the VoIP market for VoIP equipment and VoIP technology

Get Business VoIP Phones, VoIP Phone Systems and other VoIP Equipment for your VoIP solution. VoIP Supply is North America’s leading supplier of VoIP equipment and hardware. Over 85,00 served since 2002.

Increase office efficiencies with quality office printing equipment and office supplies. Xerox all-in-one printers reduce your carbon footprint.