7.Key System Functions
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7.9 Authorization Code

7.9.1 To Register Access Authorization Code

To prevent unauthorized outside call (DISA access or Trunk Access), a user can lock/unlock a
station with an access authorization code.
1) Press
TALK ( ) button.
2) Press
PROGRAM ( ) button longer than 1 second and press .
3) Dial the station’s 5-digit Access Authorization code.
4) Press
PROGRAM ( ) button longer than 1 second. (Confirmation tone will be
heard.)
The Auth code for a terminal should be unique, if the code entered is already used by another
terminal, error tone is heard and the message “INVALID” is displayed on the LCD.
1) Press
PROGRAM ( ) button longer than 1 second. (Confirmation tone will be
heard.)
Note
An access authorization code should be registered.

7.9.2 To Change Access Authorization Code

1) Press
TALK ( ) button.
2) Press
PROGRAM ( ) button longer than 1 second and press .
3) Dial the current Access Authorization code. (Confirmation tone will be heard.)
4) Press
PROGRAM( ) button longer than 1 second. (Confirmation tone will be
heard)
5) Dial a new 5-digit Access Authorization code.
6) Press
PROGRAM ( ) button longer than 1 second. (Confirmation tone will be
heard.)
Note
An access authorization code should be registered.
7.10 Temporal COS(Class Of Service) Change
When a user is in a situation that a user can’t receive a call, can make a user’s station possible
to make only intercom call by changing service of class. It prevents another one from making a
call.
7.10.1 Blocking Outside Calls
1) Press
TALK ( ) button.
2) Press
PRORGAM ( ) button longer than 1 second and press .
3) Press
PROGRAM ( ) button longer than 1 second (Confirmation tone will be
heard).
Note
An access authorization code should be registered.