Hello - I recently became responsible for DK40i and I noticed that we're only getting Caller Id info on one CO and it's the one assigned to CIUNO=003. I've changed around the assignments and the only CO that shows Caller Id info on the phones is the one that is currently assigned to CIUNO=003. None of the other CIUNO assignments seem to work (001, 002, 004) although the solid red light comes on and there is the expected second or two delay but just the CO Name assigned in 93 is displayed. Thanks for any thoughts/help with this. Take Care... Mike.