*Definition
Or
A product developed by Microsoft Corporation that enables groups to teleconference using the Internet.
* Features:
Share applications during a conference with one or more NetMeeting users.
Easy to use and free.
Use graphic information exchange during NetMeeting .
Conduct conversations via text with one or more.
Conduct real video and audio conferencing.
One-on-one conversations

* Limitations
Some time the connection lost in the conversation.
Computer requirements.
Users must trade-off between faster video performance and better image quality.
Very limited for a large virtual classroom lecture or group meeting.
Cannot work in different systems operators.
* DE Support
Text-Based Chat :
To support discussion between teacher-student and student-student.
Electronic whiteboard
negotiation of meaning in task completion as well as constructive learning.
Video Conferencing :
learners can meet online
good for isolated learners
Application Sharing:
A user can share a program running on one computer with other participants in the conference.
“e.g. share a word processing application to collaboratively edit the same document at the same time”.

Support sharing resources between teachers and learners
Sending learning materials
Share video, audio or both with other classmates
