Bandwidth requirements for LCCS features

[amitpsl06513]

Hi,

I am planning to develop an application for audio and video chatting. I need to understand the bandwidth requirements for the following.

1. Audio chat {2 persons}.
2. Video chat {2 persons}.
3. Desktop sharing {2 persons}.

Also it will be helpful if someone can point me to different video codec being used  for video streaming in LCCS.

Thanks & Regards

Amit