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CentraNow - http://www.centranow.com
Web meetings powered by Voice over IP. |
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Wikipedia: Voice over IP - http://en.wikipedia.org/wiki/Voice_over_IP
Encyclopedia article with background information, technical details, and the advantages and disadvantages of VoIP. |
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Voice over Internet Protocol - http://www.fcc.gov/voip/
An overview of VoIP from the Federal Communications Commission. With news, FAQs, factsheets, and findings. |
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RADVision - http://www.radvision.com/
SIP, 3G-324M, H.323 stacks and testing tools for VoIP vendors. |
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Packetizer - http://www.packetizer.com/
Technical information about VoIP and videoconferencing. |
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IP Telephony Literature Survey - http://www.cs.berkeley.edu/~mccaesar/research/iptel_litsurv.html
A literature survey covering architectural, protocol, and quality requirements for deploying an IP Telephony service. |
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Voice over IP and IP Telephony References - http://www.cs.wustl.edu/~jain/refs/ref_voip.htm
A directory of talks, papers, books, organizations, vendors, standards, web pages, and standards on IP telephony. |
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VOIP EZ - http://voipez.com/
Offers in depth information on implementing VoIP in both consumer and commercial settings. |
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Voice Systems Research, Inc. - http://www.vsrusa.com/
Provides unified messaging, voice mail, advanced call routing, and IP-based telephony solutions. |
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Inter-Fone - VoIP Internet Telephony - http://www.inter-fone.com/
Internet-carried Phone to Phone calls. |