Video Web chat is not an uncommon facility. Yahoo and Google to name the biggies give you this facility while using their chat programs.
And Google first offered video chat between Google Talk contacts inside Gmail. However, the problem here was that the person with whom you wanted to chat should also have a Gmail account. That difficulty has now been solved by Google now as video web chat is now available on your iGoogle page.
In addition to these, NestChat also offers the facility of video web chat.
What Is NestChat?
Image via Wikipedia
According to the NestChat website:
NestChat is a video web chat, which is a system that allows users to communicate in real time using easily accessible web interfaces. This trait allows users instantaneous access and only a web browser is required to chat. It's a light flash chat and can be embedded into your website easily. It supports most mainly
features of IM software including audio/video chat, private chat, file transfer and media player.
NestChat comes in two versions. The pro version is not free. But there is a free version of NestChat which you can have for fre for all time. You can embed it into your website easily.