1. Voice over IP - Wikipedia, the free encyclopedia
Voice over Internet Protocol (Voice over IP, VoIP) is one of a family of internet technologies, communication protocols, and transmission technologies for delivery of voice ...
2. Voice-Over-Internet Protocol
An overview of VoIP from the Federal Communications Commission. With news, FAQs, factsheets, and findings.
3. Voip.ms :: Worldwide VoIP Origination and Termination
VoIP Server Locations Houston, TX Dallas, TX Los Angeles, CA New York, NY Atlanta, GA Chicago, IL Seattle, WA Tampa, FL London, UK Montreal, QC Toronto, ON
4. VoIP Forums
VoIP B2B Voice over IP forum for seeking or soliciting VoIP origination, termination, equipment, and other IP telephony related services
5. VoIP | voipreview.org
VoIP phone reviews and ratings for your business and residential phone system.
6. Vonage VoIP Phone Service: Home, Business, International & Local Calls
Vonage offers international, local, home and business calling with no annual contracts. VoIP phone service plans start at $9.99/mo. Get more with Vonage.
7. Your Complete Guide to VoIP - Voice Over IP - Internet Telephony
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 ...