See also:
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  • http://www.centranow.com
    CentraNow - Web meetings powered by Voice over IP.
  • http://www.ibasis.net
    iBasis - Provider of wholesale international IP telephony services.
  • http://www.inter-fone.com/
    Inter-Fone - VoIP Internet Telephony - Internet-carried Phone to Phone calls.
  • http://industryclick.com/magazine.asp?magazineid=7&siteid=3
    InternetTelephony.com - Industry newsletter for telecom professionals.
  • http://www.cs.berkeley.edu/~mccaesar/research/iptel_litsurv.html
    IP Telephony Literature Survey - A literature survey covering architectural, protocol, and quality requirements for deploying an IP Telephony service.
  • http://www.iptelephony.org
    IP xStream - IP Telephony data source.
  • http://www.iscom.net
    Iscom, Inc. PCCall Service - PC to Phone call services.
  • http://www.netyak.com
    NetYak - Web-to-phone call button for e-commerce.
  • http://www.packetizer.com/
    Packetizer - Technical information about VoIP and videoconferencing.
  • http://www.radvision.com/
    RADVision - SIP, 3G-324M, H.323 stacks and testing tools for VoIP vendors.
  • http://www.securelogix.com
    SecureLogix Corporation - Provides enterprise telephony management systems.
  • http://www.tekdigitel.com/
    TEK DigiTel Corporation - Provides communications solutions for the small to medium size business by integrating traditional PBX technology with data routing and VoIP technology.
  • http://www.1888usa.com
    1888usa.com - Lists free fax and phone resources on the web.
  • http://www.fcc.gov/voip/
    Voice over Internet Protocol - An overview of VoIP from the Federal Communications Commission. With news, FAQs, factsheets, and findings.
  • http://www.cs.wustl.edu/~jain/refs/ref_voip.htm
    Voice over IP and IP Telephony References - A directory of talks, papers, books, organizations, vendors, standards, web pages, and standards on IP telephony.
  • http://www.vsrusa.com/
    Voice Systems Research, Inc. - Provides unified messaging, voice mail, advanced call routing, and IP-based telephony solutions.
  • http://voipez.com/
    VOIP EZ - Offers in depth information on implementing VoIP in both consumer and commercial settings.
  • http://andyabramson.blogs.com/
    VoIP Watch - A weblog with news and reviews of VoIP products.
  • http://www.voip-info.org/wiki/
    VoIP Wiki - A wiki that covers VoIP software, hardware, service providers, reviews, configurations, and standards.
  • http://www.voip.org.uk/
    VoIP.org.uk - UK resource with the emphasis on small businesses and home users. Includes news, reviews, and forums.
  • http://en.wikipedia.org/wiki/Voice_over_IP
    Wikipedia: Voice over IP - Encyclopedia article with background information, technical details, and the advantages and disadvantages of VoIP.
  • http://www.fcc.gov/Speeches/Kennard/2000/spwek019.html
    Internet Telephony: America Is Waiting - FCC Chairman Kennard's remarks before the Voice Over Net Conference; Atlanta, Georgia; September 12, 2000. (September 12, 2000)