| 1888usa.com: Lists free fax and phone resources on the web. |
| CentraNow: Web meetings powered by Voice over IP. |
| EtherVoice: Embedded Internet telephony gateway. |
| iBasis: Provider of wholesale international IP telephony services. |
| Inter-Fone - VoIP Internet Telephony: Internet-carried Phone to Phone calls. |
| Internet Telephony: America Is Waiting: FCC Chairman Kennard's remarks before the Voice Over Net Conference; Atlanta, Georgia; September 12, 2000. |
| InternetTelephony.com: Industry newsletter for telecom professionals. |
| IP Telephony Literature Survey: A literature survey covering architectural, protocol, and quality requirements for deploying an IP Telephony service. |
| IP xStream: IP Telephony data source. |
| Iscom, Inc. PCCall Service: PC to Phone call services. |
| NetYak: Web-to-phone call button for e-commerce. |
| Packetizer: Technical information about VoIP and videoconferencing. |
| RADVision: SIP, 3G-324M, H.323 stacks and testing tools for VoIP vendors. |
| SecureLogix Corporation: Provides enterprise telephony management systems. |
| TEK DigiTel Corporation: Provides communications solutions for the small to medium size business by integrating traditional PBX technology with data routing and VoIP technology. |
| Voice over Internet Protocol: An overview of VoIP from the Federal Communications Commission. With news, FAQs, factsheets, and findings. |
| Voice over IP and IP Telephony References: A directory of talks, papers, books, organizations, vendors, standards, web pages, and standards on IP telephony. |
| Voice Systems Research, Inc.: Provides unified messaging, voice mail, advanced call routing, and IP-based telephony solutions. |
| VOIP EZ: Offers in depth information on implementing VoIP in both consumer and commercial settings. |
| VoIP Watch: A weblog with news and reviews of VoIP products. |
| VoIP Wiki: A wiki that covers VoIP software, hardware, service providers, reviews, configurations, and standards. |
| VoIP.org.uk: UK resource with the emphasis on small businesses and home users. Includes news, reviews, and forums. |
| Wikipedia: Voice over IP: Encyclopedia article with background information, technical details, and the advantages and disadvantages of VoIP. |
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