- NetYak - Web-to-phone call button for e-commerce.
- VoIP Watch - A weblog with news and reviews of VoIP products.
- Iscom, Inc. PCCall Service - PC to Phone call services.
- iBasis - Provider of wholesale international IP telephony services.
- IP xStream - IP Telephony data source.
- Voice Systems Research, Inc. - Provides unified messaging, voice mail, advanced call routing, and IP-based telephony solutions.
- 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.
- RADVision - SIP, 3G-324M, H.323 stacks and testing tools for VoIP vendors.
- VOIP EZ - Offers in depth information on implementing VoIP in both consumer and commercial settings.
- 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.
- Voice over Internet Protocol - An overview of VoIP from the Federal Communications Commission. With news, FAQs, factsheets, and findings.
- Packetizer - Technical information about VoIP and videoconferencing.
- Voice over IP and IP Telephony References - A directory of talks, papers, books, organizations, vendors, standards, web pages, and standards on IP telephony.
- IP Telephony Literature Survey - A literature survey covering architectural, protocol, and quality requirements for deploying an IP Telephony service.
- 1888usa.com - Lists free fax and phone resources on the web.
Media publications
- Internet Telephony: America Is Waiting - FCC Chairman Kennard's remarks before the Voice Over Net Conference; Atlanta, Georgia; September 12, 2000. (Published 2000-09-12 00:00:00)