Also, while it may be a bit of an expensive venture for one person, if you've got a company behind you, you might consider coming to this year's Kamailio World conference in Berlin, April 2-4. It's only our second one, but the first one, last year, sold out beyond expectations, and we expect the same for the second one.
This year, in addition to the main presentation track, there will be some technical workshops, which I think might be of interest to new users.