On Neax 2000 an extension number has to be set in Cmd40
YY=10 Port=1
The Station Number must be a number that has not been assigned by Cmd 10 or 11.
The defaults should already be set for 1200 N 8 1
If you need to program this from a phone the sequence to get into programming is: Handset on hook, pres Cnf,Trf *
then Cnf, Trf #.
That will get you into programming:
You need the Documentation as there are many other areas that may need to be turned on, and it is to long for this post.
DJ