Sebastian,
I'm glad you brought up that point. So far in testing, I've only used 32-bit machines. Most of the boxes we have here are 32 and I'm not sure when the migration to 64 will be. So, I have no idea. I've been considering getting someone to custom code this functionality so that 1, we won't have multiple pieces of software "daisy-chaining" that might break somewhere, and 2, because we will be having approximately 250-300 machines running this when implemented. We've also had some issues where GeoEvent will create a new feature if the network connection is dropped and reconnected. Not sure if that is part of the problem with these pieces of software or something else, but I try to minimize any issues that I can from the start.
We're also testing a Sierra Wireless unit, but it sends the sentences back automatically without any PC interaction. Which is nice.
If I do go the custom route or have any further luck with things, I will reply back in this thread. It appears that this will be a problem for many users until someone with coding skills decides to make some money for this market.
Good Luck!
Jason