Profiles of the leading manufacturers of VoIP systems.  Details their history in the VoIP business, describes their relevant products and lists recent news items.  There are also links to descriptions of sample SMB customers that use their technology.

Vendors covered include 3Com, Aastra, Alcatel, Altigen, Avaya, Cisco Systems, Comdial, D-Link, Epygi, Inter-Tel, Mitel, NEC, Nortel, Panasonic, ShoreTel, Siemens, TalkSwitch, Toshiba, Vertical Communications, Vodavi and Zultys