Programming Flow Chart - NEC 28i System Manual

Stop No
telephone port you want to
associated room number.
Service Codes (i.e., 100-
overlap the Trunk Access

Programming Flow Chart

Start
Do you want to change
the telephone extension
numbers (e.g., to be the
same as the room
numbers)?
Yes
To change extension
numbers, do you
have to change the
first digit dialed (i.e.,
from 3 to 1)?
No
In 0502, select the
change and enter the
Does the system
programming
show "Duplicate
Data"?
No
Do the numbering plan
changes you made
overlap the existing
199 and 800-899)?
No
Do the numbering plan
changes you made
Code (normally 9)?
No
Stop
In 0501, make the changes
required to the System (internal)
Yes
Numbering to accommodate the
new extension dialing plan.
The extension number is in
use by another port. You
Yes can only use available
(unassigned) extension
numbers.
In 0511 and 0514,
Yes reassign Service
Codes as required.
In 0510, change
Yes the Trunk
Access Code.
4-5