An Introduction to IG讚數增加
http://trevoroedf868.bearsfanteamshop.com/ig-zeng-jia-zan-shu-it-s-not-as-difficult-as-you-think
It employs Macromedia flash communication server for its good quality audio video compression. You may modify the digicam bandwidth/compression and quality for flash video chat as per your site requirements.