AT&T MERLIN LEGEND Release 3.1 System Programming Manual page 237

Optional Telephone Features
If you are assigning authorization codes for a group of sequential extensions,
begin programming the lowest extension number to take advantage of the
screen key (see "Standard Procedures").
Summary: Authorization Codes
Programmable by
Mode
Idle Condition
Planning Form
Factory Setting
Valid Entries
Inspect
Copy Option
Console Procedure
PC Procedure
Procedure: Authorization Codes
Console Display/Instructions
1 Select the Extensions menu.
2 Go to the second screen of the Extensions menu.
System manager
All
Not required
Form 6h, Authorization Codes
Not assigned
2 - 11 characters (0 - 9, *)
Yes
No
More
Dial authorization code
Type ext. no.
authorization code
Additional Information
_
Press More.
Common Administrative Procedures
Dial ext. no.
Type
PC
3–101