Its difficulty is in ease of use, software compatibility and installation. Calls use H.323 standards for videoconferencing and multimedia collaboration. Includes chat, userlist, polling, and desktop sharing. Download Client software FREE or JAVA Applet - no download. Uses Windows Media Player Plugin or RealMedia Plugin to deliver live or on demand slides with a chat window.
Slides can include urls and images jpg or gif.
Easy to use and inexpensive. Participants should be on a Cable Modem or DSL connection to the Internet. They also make iShare for two computers. 250 concurrent participants maximum. The scheduling interface is very similar to WebEx.