Nortel Modular ICS 6.0 Manual page 27

Getting started with Norstar / 27
Record any changes you make in the
Modular ICS 6.0 Programming
. If there is a problem with the system, the installer needs
Record
to see a history of the changes you have made.
Remember to inform people in your office of any changes you
have made that affect them. For example, you may change
system speed dial codes or change the number of rings before an
unanswered telephone is forwarded.
P0992640 03 Modular ICS 6.0 System Coordinator Guide