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Definition: WebEx

(1) (WEB EXtension) See browser extension.

(2) An application sharing and conferencing service that is widely used for presentations, demos, training and support from WebEx Communications, Inc., Santa Clara, CA. Everything that the presenters see and manipulate on their computers can be viewed by everyone in the conference.

WebEx uses either an ActiveX control or Java applet in the computer at each end of the conference, and installation for new attendees is automatic. Meetings can be set up instantly or scheduled, and voice is handled by voice over IP (VoIP) or traditional PSTN conference calling. Founded in 1996, the company became a wholly owned subsidiary of Cisco in 2007.