Thanks Exsmogger
under terminal and sets,
Teleco feautures,
1st display :number
Caller ID: Y
calling from one set to anther, display the calling set dn
but
still, inbound call phone number does not appear on called sets dispaly
if i use my own mobile phone
or any phone not hooked on norstar and dial the main number,
the system rings on reception set (DN200)
and the display on reception phone does not show the calling line ID, feature 811 does not work,