(Computer telephony adds computer intelligence to the making, receiving, and mangaging of telephone calls.) Companies and Products featuring Internet Telephony, New Age Telcos and the like.
SIP, 3G-324M, H.323 stacks and testing tools for VoIP vendors.
Web-to-phone call button for e-commerce.
IP Telephony data source. Includes VoIP vendor directory.
Technical information about VoIP and videoconferencing.
A online guide to VoIP for the home user. Includes various types of VoIP setups.