2. VIDEO TELE CONFERENCING IS A
COMMUNICATION TECHNOLOGY THAT
PERMITS USERS AT TWO OR MORE
LOCATION TO INTERACT. VTC SYSTEM
TRANSMIT BI-DIRECTIONAL AUDIO,
VIDEO DATA STREAMS DURING THE
SESSION
3. CONFERENCE ENVIRONMENT
CONFERENCE EQUIPMENT
TELEVISON CAMERA & LENS
MICROPHONES
CODEC
NETWORK
INTERNET
ISDN
BROAD BAND