1.8 Toll Restriction (TRS)/Call Barring (Barring) Features
1.8.6Verified Code Entry
Description
An extension user can make a trunk call with a verified code from his own or any other extension to change the TRS/Barring level ( 
1.8.1 Toll Restriction (TRS)/Call Barring (Barring)) or to identify the call for accounting and billing purposes. A verified code personal identification number (PIN) is required to use this feature.
Conditions
WARNING
When a third party discovers the personal identification number (PIN) (verified code PIN/ extension PIN) of the PBX, there will be a risk that they will make fraudulent phone calls using the telephone line, and the cost will be charged to your own account. In order to avoid this problem, we strongly recommend the following points:
a)Carefully maintain the secrecy of the PIN.
b)Specify a complicated PIN as long and random as you can make it.
c)Change the PIN frequently.
•The following items are applied:
–COS programming
–Budget Management
–Itemised Billing code for ARS
–The 
+ verified code recorded on the SMDR instead of the extension number ( 
1.25.1 Station Message Detail Recording (SMDR)).
•Verified Code Entry through DISA
This feature is also available through the DISA. ( 
1.16.6 Direct Inward System Access (DISA))
•Verified Code PIN
A verified code PIN must be assigned for each verified code through system programming ( 
Verified Code Personal Identification Number (PIN) [122]) or through manager programming.
•Verified Code PIN Lock
If the wrong PIN is entered incorrectly three times, the line will be disconnected. If the incorrect PIN is entered a preprogrammed number of times successively, the PIN against the verified code will be locked. Only an extension assigned as the manager can unlock it. In this case, the PIN will be unlocked and cleared.
