The ableton MIDI documentation should tell you what messages ableton expects. (Alternatively, you could sniff the messages sent by your UC33e controller, e.g. using MIDIOX). Assigning MIDI messages to certain buttons on the MIDIbox is a piece of cake, see the various C code examples, e.g. here. Or, you take a look at the MIDIbox LC.
The ableton MIDI documentation should tell you what messages ableton expects. (Alternatively, you could sniff the messages sent by your UC33e controller, e.g. using MIDIOX). Assigning MIDI messages to certain buttons on the MIDIbox is a piece of cake, see the various C code examples, e.g. here. Or, you take a look at the MIDIbox LC.