Nortel Networks P0857846 - Manual (Page 120)

User Preferences / 107
P0857846 Issue 02 Norstar-PLUS Modular ICS 2.0 System Coordinator Guide
Either nothing is stored on the button or you
have just cleared the button by pressing
CLR .
The button is occupied by the Handsfree
feature. You cannot store a feature or
number on it.
For other displays, see “Common feature displays” on page 149.