Astound
   Web conferencing, online meetings.
   http://www.astound.com

CallSite
   Web-based customer service and call center.
   http://www.callsite.com/

Spiderphone
   Voice conference calls using either telephone (based on a New York area code) or PC.
   http://www.spiderphone.com

WebEx Communications, Inc.
   Providers of video and web conferencing and online meetings. Web-based solutions for meetings, training, events, and customer support.
   http://www.webex.com/