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HowStuffWorks Computer gets you explanations, reviews, opinions and prices for the Internet, home networking, hardware, and software.

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

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...

An online computer dictionary and internet search engine for internet terms and technical support.

VoIP News, Voice over IP, VoIP forums, crm, call center news, telecom, CRM solutions

Asterisk is free software that transforms a computer into a communication server. Asterisk lets you build applications like PBX, VoIP gateway, IVR and ACD.

Find unified communications (UC) news, advice and research for IT professionals and learn about strategies for UC deployment, integration and management.

Phone systems to power your business. Turnkey business phone systems, IP PBX phone systems, VoIP phone systems, and Asterisk telephony software.

Avaya, a global leader in business communications, provides solutions directly and through its channel partners to leading enterprises around the world.

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...