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