Broadband telephony buyer's guide 
Provides an extensive online broadband telephony buyer's guide directed towards professionals who purchase equipment, applications, technologies and products. Also contains a company index, product reviews, newsletters and white papers, and a section where users can pose questions directly to industry experts.

MIT Internet Telephony Consortium 
Home page of The Internet Telephony Consortium, a neutral forum that integrates a unique diversity of perspectives, spanning a wide range of firm types and academic disciplines. This page provides a background on the organization, as well as links to news, software, equipment providers, regulations, standards, and other related Web resources.

The Enterprise Computer Telephony Forum (ECTF)
The ECTF is an industry organization formed to foster an open, competitive market for Computer Telephony Integration (CTI) technology. Their site offers membership information, news, events, and information on their computer telephone framework and technical implementations.