PROBLEM SOLVED WITH MY Alcatel OT-600
This is how to do it folks;
Provider on the back of phone is 600X-2AVRGB1
I entered OT600-2AVRGB1 so all you need to do is enter OT at the begining and take out the "X" after "600"
NCK and SPCK code given correctly and handset is now unlocked.
BR