I have used something similar to this, though it was in an academic setting. Though instead of a skype-type solution, we had a proper webcam set up (not your garden variety Best Buy webcam, but a commercial unit you'd find in a conference room or something along those lines). The idea was that if a certain member of the design or production staff only needed to see a small piece of a tech rehearsal or a run through they could tap in from home instead of coming all the way in to the theatre for one small detail.
The other benefit was that faculty members/advisers could tap in to see how their students were doing, though the merits of that are debatable as I don't really see that as a viable substitute for a physical presence on an adviser level.
It was quite a nice setup, and very secure. The webcam was a standalone solution and plugged directly into a standard ethernet connection. It also had a built in mic to allow for audio. It was a specific web address that was not published and couldn't be found on a search, and also required a username and password as an additional layer of security.
After my production was closed I decided to see what this thing was all about and tapped in from home to watch another production in tech. The video quality was superb, and the audio was passable. One of the major benefits was the level of convenience, and it was nice to be able to look in and see what my peers were doing. For me, the major drawback was that I couldn't wrap my head around the show by watching it on a computer monitor. Maybe this was because I hadn't been involved in the production from day one, but I found it tough to put myself "there" being an additional step removed. I think that would be the biggest drawback for me is you risk losing the context of certain elements or moments.
As far as success or failure, I don't really know. We didn't have this for any specific purpose. The idea was more experimentation and playing around, which is one of my favorite things about academia, the freedom to experiment and push the boundaries of your field.
Anyone else used this technology?