The real problem with the VON show is the speed of it all. It really moves super-fast, and by the end of the day, you don't even remember the beginning of it. I think it was a pretty good show, but it seems like it is now dominated by the larger companies selling larger products. I remember the time when many of the companies were small - we used to play a game counting the number of new phones from Asia. Now, every company has a big product selling into a big market.
I spoke today about SBCs in a pure sip network... here's the presentation.