Real-Time Mobile to PC Video conferencing over 3g network
https://www.youtube.com/watch?v=6uK4zp1kbVA
Conferencing
The new Logitech TAP meeting room conference controller
https://www.youtube.com/watch?v=pmfv9VU6juI
Demo for Developers: Video Conferencing to IP Phones, PDAs
https://www.youtube.com/watch?v=LMXDCUH0ZKw
What is IP based video conferencing and How can I do it from home (4 Solutions!!)
https://www.youtube.com/watch?v=0quSDHSQI8s
IP Video Conferencing
https://www.youtube.com/watch?v=bD_m5TreNAo